SN10501DBVRG4 [TI]

Low-Distortion High-Speed Rail-to-Rail Output Operational Amplifiers 5-SOT-23 -40 to 85;
SN10501DBVRG4
型号: SN10501DBVRG4
厂家: TEXAS INSTRUMENTS    TEXAS INSTRUMENTS
描述:

Low-Distortion High-Speed Rail-to-Rail Output Operational Amplifiers 5-SOT-23 -40 to 85

放大器 光电二极管 商用集成电路
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SN10501  
SN10502  
SN10503  
D-14  
DBV-5  
DGK-8  
DGN-8  
PWP-14  
D-8  
www.ti.com .................................................................................................................................................. SLOS408BMARCH 2003REVISED JANUARY 2009  
HIGH-SPEED RAIL-TO-RAIL OUTPUT VIDEO AMPLIFIERS  
1
FEATURES  
2
High Speed  
VIDEO DRIVE CIRCUIT  
100 MHz Bandwidth (–3 dB, G = 2)  
900 V/s Slew Rate  
V
S+  
Excellent Video Performance  
+
50 MHz Bandwidth (0.1 dB, G = 2)  
0.007% Differential Gain  
10 µF  
0.1 µF  
75 Ω  
Video In  
5
3
4
SN10501  
1
+
V
O
0.007 Differential Phase  
75 Ω  
Rail-to-Rail Output Swing  
VO = –4.5 / 4.5 (RL= 150 )  
2
75 Ω  
High Output Drive, IO = 100 mA (typ)  
Ultralow Distortion  
+
10 µF  
0.1 µF  
V
S−  
HD2 = –78 dBc (f = 5 MHz, RL = 150 )  
HD3 = –85 dBc (f = 5 MHz, RL = 150 )  
1.43 kΩ  
1.43 kΩ  
6.3  
Wide Range of Power Supplies  
VS = 3 V to 15 V  
V
= 0.1 V  
PP  
O
6.2  
−0.1 dB at 49 MHz  
6.1  
6.0  
APPLICATIONS  
5.9  
5.8  
5.7  
V
= 2 V  
PP  
O
Video Line Driver  
Imaging  
DVD / CD ROM  
Active Filtering  
−0.1 dB at 51 MHz  
5.6  
5.5  
Gain = 2  
R
V
R
= 150 to GND  
= ±5 V  
L
S
General Purpose Signal Chain Conditioning  
5.4  
5.3  
= 1.43 kΩ  
F
100 k  
1 M  
10 M  
100 M  
1 G  
DESCRIPTION  
f − Frequency − Hz  
The SN1050x family is a set of rail-to-rail output  
single, dual, and triple low-voltage, high-output swing,  
low-distortion high-speed amplifiers ideal for driving  
data converters, video switching, or low distortion  
applications. This family of voltage-feedback  
amplifiers can operate from a single 15-V power  
supply down to a single 3-V power supply while  
consuming only 14 mA of quiescent current per  
channel. In addition, the family offers excellent ac  
performance with 100-MHz bandwidth, 900-V/µs slew  
rate and harmonic distortion (THD) at –78 dBc at  
5 MHz.  
DEVICE  
SN10501  
SN10502  
SN10503  
DESCRIPTION  
Single  
Dual  
Triple  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
2
owerPAD is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2003–2009, Texas Instruments Incorporated  
SN10501  
SN10502  
SN10503  
SLOS408BMARCH 2003REVISED JANUARY 2009 .................................................................................................................................................. www.ti.com  
This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with  
appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.  
ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more  
susceptible to damage because very small parametric changes could cause the device not to meet its published specifications.  
ABSOLUTE MAXIMUM RATINGS  
operating free-air temperature range unless otherwise  
(1)  
UNIT  
Supply voltage, VS  
16.5 V  
±VS  
Input voltage, VI  
Output current, IO  
150 mA  
4 V  
Differential input voltage, VID  
Continuous power dissipation See Dissipation Rating Table  
Maximum junction temperature, TJ  
150°C  
125°C  
(2)  
Maximum junction temperature, continuous operation, longterm reliability, TJ  
Storage temperature range, Tstg  
–65°C to 150°C  
300°C  
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds  
(1) The absolute maximum ratings under any condition is limited by the constraints of the silicon process. Stresses above these ratings may  
cause permanent damage. Exposure to absolute maximum conditions for extended periods may degrade device reliability. These are  
stress ratings only, and functional operation of the device at these or any other conditions beyond those specified is not implied.  
(2) The maximum junction temperature for continuous operation is limited by package constraints. Operation above this temperature may  
result in reduced reliability and/or lifetime of the device.  
PACKAGE DISSIPATION RATINGS  
POWER RATING(2)  
PACKAGE  
θJC(°C/W)(1)  
θJA(°C/W)  
T
A 25°C  
TA = 85°C  
156 mW  
410 mW  
600 mW  
154 mW  
685 mW  
1.07 W  
DBV (5)  
D (8)  
55  
255.4  
97.5  
66.6  
260  
391 mW  
1.02 W  
1.5 W  
38.3  
26.9  
54.2  
4.7  
D (14)  
DGK (8)  
DGN (8)(3)  
PWP (14)(3)  
385 mW  
1.71 W  
2.67 W  
58.4  
37.5  
2.07  
(1) This data was taken using the JEDEC standard High-K test PCB.  
(2) Power rating is determined with a junction temperature of 125°C. This is the point where distortion  
starts to substantially increase. Thermal management of the final PCB should strive to keep the  
junction temperature at or below 125°C for best performance and long term reliability.  
(3) The SN10501, SN10502, and SN10503 may incorporate a PowerPAD™ on the underside of the chip.  
This acts as a heatsink and must be connected to a thermally dissipating plane for proper power  
dissipation. Failure to do so may result in exceeding the maximum junction temperature which could  
permanently damage the device. See TI Technical Brief SLMA002 for more information about utilizing  
the PowerPAD™ thermally enhanced package.  
2
Submit Documentation Feedback  
Copyright © 2003–2009, Texas Instruments Incorporated  
Product Folder Link(s): SN10501 SN10502 SN10503  
SN10501  
SN10502  
SN10503  
www.ti.com .................................................................................................................................................. SLOS408BMARCH 2003REVISED JANUARY 2009  
RECOMMENDED OPERATING CONDITIONS  
MIN  
1.35  
MAX  
8
UNIT  
V
Dual supply  
Supply voltage,(VS+ and VS-  
)
Single supply  
2.7  
16  
Input common-mode voltage range  
VS- + 1.1  
VS+ - 1.1  
V
PACKAGE ORDERING INFORMATION  
PACKAGED DEVICES  
PACKAGE TYPE  
TRANSPORT MEDIA, QUANTITY  
SINGLE  
SN10501DBVT  
SN10501DBVR  
SN10501DGK  
SN10501DGKR  
SN10501DGN  
SN10501DGNR  
SN10501D  
SN10501DR  
DUAL  
TRIPLE  
SOT-23-5  
SOT-23-5  
MSOP-8  
Tape and Reel, 250  
Tape and Reel, 3000  
Rails, 75  
SN10502DGK  
SN10502DGKR  
SN10502DGN  
SN10502DGNR  
SN10502D  
SN10502DR  
MSOP-8  
Tape and Reel, 2500  
Rails, 75  
MSOP-8-PP  
MSOP-8-PP  
SOIC  
Tape and Reel, 2500  
Rails, 75  
SN10503D  
SN10503DR  
SN10503PWP  
SN10503PWPR  
SOIC  
Tape and Reel, 2500  
Rails, 75  
TSSOP-14-PP  
TSSOP-14-PP  
Tape and Reel, 2000  
PIN ASSIGNMENTS  
PACKAGE DEVICES  
SN10501  
DBV PACKAGE  
(TOP VIEW)  
SN10501  
D, DGK, DGN PACKAGE  
(TOP VIEW)  
SN10502  
D, DGK, DGN PACKAGE  
(TOP VIEW)  
1
2
3
5
V
S+  
V
NC  
IN−  
IN+  
VS−  
OUT  
NC  
1
2
3
4
8
7
6
5
1OUT  
1IN−  
1IN+  
VS−  
VS+  
1
2
3
4
8
7
6
5
VS+  
VOUT  
NC  
2OUT  
2IN−  
2IN+  
V
S−  
4
IN−  
IN+  
NC − No internal connection  
SN10503  
D, PWP PACKAGE  
(TOP VIEW)  
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
NC  
NC  
NC  
2OUT  
2IN−  
2IN+  
VS−  
3IN+  
3IN−  
3OUT  
VS+  
1IN+  
1IN−  
1OUT  
8
NC − No internal connection  
Copyright © 2003–2009, Texas Instruments Incorporated  
Submit Documentation Feedback  
3
Product Folder Link(s): SN10501 SN10502 SN10503  
SN10501  
SN10502  
SN10503  
SLOS408BMARCH 2003REVISED JANUARY 2009 .................................................................................................................................................. www.ti.com  
ELECTRICAL CHARACTERISTICS  
VS = 5 V, RL = 150 , and G = 2 unless otherwise noted  
TYP  
OVER TEMPERATURE  
PARAMETER  
TEST CONDITIONS  
0°C to  
70°C  
–40°C to  
85°C  
25°C  
25°C  
UNITS  
MIN/MAX  
AC PERFORMANCE  
G = 1, VO = 100 mVPP  
170  
100  
MHz  
MHz  
Typ  
Typ  
G = 2, VO = 100 mVPP  
Rf = 1 k  
,
Small signal bandwidth  
G = 10, VO = 100 mVPP  
Rf = 1 kΩ  
,
12  
50  
MHz  
MHz  
Typ  
Typ  
G = 2, VO = 100 mVPP  
,
0.1 dB flat bandwidth  
Rf = 1.43 kΩ  
Gain bandwidth product  
G > 10, f = 1 MHz, Rf = 1 kΩ  
G = 2, VO = ±2.5 VPP  
120  
57  
MHz  
MHz  
V/µs  
ns  
Typ  
Typ  
Min  
Typ  
Typ  
(
)
(1)  
Full-power bandwidth  
Slew rate  
G = 2, VO = ±2.5 VPP  
900  
25  
Settling time to 0.1%  
G = -2, VO = ±2 VPP  
Settling time to 0.01%  
Harmonic distortion  
52  
ns  
Second harmonic distortion  
Third harmonic distortion  
Differential gain (NTSC, PAL)  
Differential phase (NTSC, PAL)  
Input voltage noise  
–78  
–85  
dBc  
dBc  
%
Typ  
Typ  
Typ  
Typ  
Typ  
Typ  
Typ  
G = 2, VO = 2 VPP, f = 5 MHz,  
RL = 150 Ω  
0.007  
0.007  
13  
G = 2, R = 150 Ω  
°
nV/Hz  
pA/Hz  
dB  
f = 1 MHz  
Input current noise  
0.8  
Crosstalk (dual and triple only)  
DC PERFORMANCE  
f = 5 MHz Ch-to-Ch  
–90  
Open-loop voltage gain (AOL  
Input offset voltage  
Input bias current  
)
VO = ±2 V  
VCM = 0 V  
100  
12  
80  
25  
3
75  
30  
5
75  
30  
5
dB  
mV  
µA  
nA  
Min  
Max  
Max  
Max  
0.9  
100  
Input offset current  
500  
700  
700  
INPUT CHARACTERISTICS  
Common-mode input range  
Common-mode rejection ratio  
Input resistance  
–4 / 4  
94  
–3.9 / 3.9  
70  
V
Min  
Min  
Typ  
Max  
VCM = 2 V  
65  
65  
dB  
MΩ  
pF  
33  
Input capacitance  
Common-mode / differential  
1 / 0.5  
OUTPUT CHARACTERISTICS  
RL = 150 Ω  
RL = 499 Ω  
–4.5 / 4.5  
V
V
Typ  
Min  
Min  
Min  
Typ  
Output voltage swing  
–4.7 / 4.7 –4.5 / 4.5 –4.4 / 4.4 -4.4 / 4.4  
Output current (sourcing)  
Output current (sinking)  
Output impedance  
100  
-100  
0.09  
92  
88  
88  
mA  
mA  
RL = 10 Ω  
-92  
-88  
-88  
f = 1 MHz  
POWER SUPPLY  
Specified operating voltage  
Maximum quiescent current  
Power supply rejection (±PSRR)  
±5  
14  
75  
±8  
18  
62  
±8  
20  
60  
±8  
22  
60  
V
Max  
Max  
Min  
Per channel  
mA  
dB  
(1) Full-power bandwidth = SR / 2πVpp  
4
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Copyright © 2003–2009, Texas Instruments Incorporated  
Product Folder Link(s): SN10501 SN10502 SN10503  
SN10501  
SN10502  
SN10503  
www.ti.com .................................................................................................................................................. SLOS408BMARCH 2003REVISED JANUARY 2009  
ELECTRICAL CHARACTERISTICS  
VS = 5 V, RL = 150 , and G = 2 unless otherwise noted  
TYP  
OVER TEMPERATURE  
PARAMETER  
TEST CONDITIONS  
0°C to -40°C to  
UNITS  
25°C  
25°C  
MIN/MAX  
70C  
85C  
AC PERFORMANCE  
G = 1, VO = 100 mVPP  
170  
100  
12  
MHz  
MHz  
MHz  
MHz  
MHz  
MHz  
V/µs  
ns  
Typ  
Typ  
Typ  
Typ  
Typ  
Typ  
Min  
Typ  
Typ  
Small signal bandwidth  
G = 2, VO = 100 mVPP, Rf = 1.5 kΩ  
G = 10, VO = 100 mVPP, Rf = 1.5 kΩ  
G = 2, VO = 100 mVPP, Rf = 1.24 kΩ  
G > 10, f = 1 MHz, Rf = 1.5 kΩ  
0.1 dB flat bandwidth  
50  
Gain bandwidth product  
120  
60  
(
)
(1)  
Full-power bandwidth  
Slew rate  
G = 2, VO = 4 V step  
G = -2, VO = 2 V  
750  
27  
Settling time to 0.1%  
Settling time to 0.01%  
Harmonic distortion  
48  
ns  
Second harmonic distortion  
Third harmonic distortion  
Differential gain (NTSC, PAL)  
Differential phase (NTSC, PAL)  
Input voltage noise  
–82  
–88  
dBc  
dBc  
%
Typ  
Typ  
Typ  
Typ  
Typ  
Typ  
Typ  
G = 2, VO = 2 VPP, f = 5 MHz,  
RL = 150 Ω  
0.014  
0.011  
13  
G = 2, R = 150 Ω  
°
nV/Hz  
pA/Hz  
dB  
f = 1 MHz  
Input current noise  
0.8  
Crosstalk (dual and triple only)  
DC PERFORMANCE  
f = 5 MHz Ch-to-Ch  
–90  
Open-loop voltage gain (AOL  
Input offset voltage  
Input bias current  
)
VO = 1.5 V to 3.5 V  
VCM = 2.5 V  
100  
12  
80  
25  
3
75  
30  
5
75  
30  
5
dB  
mV  
µA  
nA  
Min  
Max  
Max  
Max  
0.9  
100  
Input offset current  
500  
700  
700  
INPUT CHARACTERISTICS  
Common-mode input range  
Common-mode rejection ratio  
Input resistance  
1 / 4  
96  
1.1 / 3.9  
70  
V
Min  
Min  
Typ  
Max  
VCM = 1.5 V to 3.5 V  
65  
65  
dB  
MΩ  
pF  
33  
Input capacitance  
Common-mode / differential  
1 / 0.5  
OUTPUT CHARACTERISTICS  
RL = 150 Ω  
RL = 499 Ω  
0.5 / 4.5  
V
V
Typ  
Min  
Min  
Min  
Typ  
Output voltage swing  
0.2 / 4.8 0.3 / 4.7 0.4 / 4.6 0.4 / 4.6  
Output current (sourcing)  
Output current (sinking)  
Output impedance  
95  
85  
80  
80  
mA  
mA  
RL = 10 Ω  
–95  
0.09  
-85  
–80  
–80  
f = 1 MHz  
POWER SUPPLY  
Specified operating voltage  
Maximum quiescent current  
Power supply rejection (±PSRR)  
5
16  
15  
62  
16  
17  
60  
16  
19  
60  
V
Max  
Max  
Min  
Per channel  
12  
70  
mA  
dB  
(1) Full-power bandwidth = SR / 2πVpp  
Copyright © 2003–2009, Texas Instruments Incorporated  
Submit Documentation Feedback  
5
Product Folder Link(s): SN10501 SN10502 SN10503  
SN10501  
SN10502  
SN10503  
SLOS408BMARCH 2003REVISED JANUARY 2009 .................................................................................................................................................. www.ti.com  
TYPICAL CHARACTERISTICS  
TABLE OF GRAPHS  
FIGURE  
Frequency response  
Small signal frequency response  
Large signal frequency response  
Slew rate  
1– 8  
9, 10  
11  
vs Output voltage step  
vs Frequency  
12, 13  
14, 15  
16  
Harmonic distortion  
Voltage and current noise  
Differential gain  
vs Frequency  
vs Number of loads  
vs Number of loads  
vs Supply voltage  
vs Load resistance  
vs Frequency  
17, 18  
19, 20  
21  
Differential phase  
Quiescent current  
Output voltage  
22  
Open-loop gain and phase  
Rejection ratio  
23  
vs Frequency  
24  
Rejection ratio  
vs Case temperature  
vs Input common-mode range  
vs Frequency  
25  
Common-mode rejection ratio  
Output impedance  
26, 27  
28, 29  
30  
Crosstalk  
vs Frequency  
Input bias and offset current  
vs Case temperature  
31, 32  
FREQUENCY RESPONSE  
FREQUENCY RESPONSE  
FREQUENCY RESPONSE  
8
6.3  
6.2  
8
7
V
= 2 V  
PP  
V
= 2 V  
PP  
O
V
= 0.1 V  
PP  
O
O
7
−3 dB at 99 MHz  
−3 dB at 99 MHz  
−0.1 dB at 49 MHz  
6
5
6.1  
6.0  
6
5
V
= 0.1 V  
PP  
O
4
3
2
5.9  
5.8  
5.7  
4
3
2
V
= 2 V  
PP  
−3 dB at 99 MHz  
O
V
= 0.1 V  
PP  
O
−0.1 dB at 51 MHz  
−3 dB at 99 MHz  
1
0
5.6  
5.5  
1
0
Gain = 2  
Gain = 2  
Gain = 2  
R
V
= 150 to GND  
= ±5 V  
R
V
= 150 to GND  
= ±5 V  
R
V
= 150 to GND  
= ±5 V  
L
L
L
S
S
S
5.4  
5.3  
−1  
−2  
−1  
−2  
R
F
= 1.43 kΩ  
R
F
= 1.43 kΩ  
R
F
= 301 Ω  
100 k  
1 M  
10 M  
100 M  
1 G  
100 k  
1 M  
10 M  
100 M  
1 G  
100 k  
1 M  
10 M  
100 M  
1 G  
f − Frequency − Hz  
f − Frequency − Hz  
f − Frequency − Hz  
Figure 1.  
FREQUENCY RESPONSE  
Figure 2.  
FREQUENCY RESPONSE  
Figure 3.  
FREQUENCY RESPONSE  
6.3  
6.2  
8
7
6.3  
6.2  
V
= 2 V  
PP  
O
V
= 2 V  
PP  
O
−3 dB at 99 MHz  
V
= 2 V  
PP  
O
−0.1 dB at 14 MHz  
−0.1 dB at 58 MHz  
6.1  
6.0  
6
5
6.1  
6.0  
V
= 0.1 V  
PP  
O
−3 dB at 99 MHz  
5.9  
5.8  
5.7  
4
3
2
5.9  
5.8  
5.7  
V
= 0.1 V  
PP  
O
V
= 0.1 V  
PP  
−0.1 dB at 14 MHz  
O
−0.1 dB at 48 MHz  
5.6  
5.5  
1
0
5.6  
5.5  
Gain = 2  
Gain = 2  
Gain = 2  
R
= 150 to GND  
= ±5 V  
R
L
= 150 to V /2  
R
L
= 150 to V /2  
L
S
S
V
V
= 5 V  
V
= 5 V  
S
S
S
5.4  
5.3  
5.4  
5.3  
−1  
−2  
R
F
= 301 Ω  
R
F
= 1.24 kΩ  
R = 1.24 kΩ  
F
100 k  
1 M  
10 M  
100 M  
1 G  
100 k  
1 M  
10 M  
100 M  
1 G  
100 k  
1 M  
10 M  
100 M  
1 G  
f − Frequency − Hz  
f − Frequency − Hz  
f − Frequency − Hz  
Figure 4.  
Figure 5.  
Figure 6.  
6
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Copyright © 2003–2009, Texas Instruments Incorporated  
Product Folder Link(s): SN10501 SN10502 SN10503  
SN10501  
SN10502  
SN10503  
www.ti.com .................................................................................................................................................. SLOS408BMARCH 2003REVISED JANUARY 2009  
FREQUENCY RESPONSE  
FREQUENCY RESPONSE  
FREQUENCY RESPONSE  
8
7
8
7
6.3  
6.2  
V
= 2 V  
PP  
O
−3 dB at 89 MHz  
V
= 0.1 V  
PP  
Gain = 2  
O
−0.1 dB at 16 MHz  
6
5
6
5
6.1  
6.0  
R
R
V
V
= 150  
= 1 kΩ  
= 100 mV  
= ±5 V  
L
V
= 0.1 V  
PP  
O
4
3
4
3
2
5.9  
5.8  
5.7  
F
O
S
−3 dB at 84 MHz  
PP  
V
= 2 V  
PP  
O
−0.1 dB at 16 MHz  
2
1
0
5.6  
5.5  
1
Gain = 2  
Gain = 2  
0
R
L
= 150 to V /2  
R
L
= 150 to V /2  
S
S
Gain = 1  
V
R
= 5 V  
= 301Ω  
V
R
= 5 V  
= 301 Ω  
S
S
5.4  
5.3  
−1  
−2  
−1  
−2  
F
F
100 k  
1 M  
10 M  
100 M  
1 G  
100 k  
1 M  
10 M  
100 M  
1 G  
100 k  
1 M  
10 M  
100 M  
1 G  
f − Frequency − Hz  
f − Frequency − Hz  
f − Frequency − Hz  
Figure 7.  
Figure 8.  
Figure 9.  
SLEW RATE  
vs  
OUTPUT VOLTAGE STEP  
FREQUENCY RESPONSE  
FREQUENCY RESPONSE  
8
8
7
6
5
4
3
2
1200  
1000  
800  
Gain = 2  
7
6
5
4
3
2
V
= 5 V  
S
Gain = 2  
R
R
V
= 150 Ω  
= 1 kΩ  
= ±5 V  
L
F
S
Rise  
R
L
= 499  
V
= ±5 V  
S
Fall  
R
V
V
= 1.5 kΩ  
= 100 mV  
= 5 V  
F
O
S
PP  
600  
Gain = 2  
400  
1
0
R
R
V
V
= 150 Ω  
= 1 kΩ  
= 2 V  
PP  
= ±5 V  
L
F
O
S
200  
0
Gain = 1  
1
0
−1  
−2  
100 k  
1 M  
10 M  
100 M  
1 G  
0
1
2
3
4
5
6
7
8
100 k  
1 M  
10 M  
100 M  
1 G  
f − Frequency − Hz  
f − Frequency − Hz  
V
− Output Voltage Step − V  
O
Figure 10.  
Figure 11.  
Figure 12.  
SLEW RATE  
vs  
OUTPUT VOLTAGE STEP  
HARMONIC DISTORTION  
HARMONIC DISTORTION  
vs  
vs  
FREQUENCY  
FREQUENCY  
0
0
800  
Gain = 2  
−10  
Gain = 2  
−10  
Gain = 2  
700  
600  
500  
400  
300  
200  
100  
0
R
R
= 150  
= 1 kΩ  
= 5 V  
L
F
S
R
V
= 150  
= 2 V  
PP  
R
V
= 150  
= 2 V  
PP  
L
L
−20  
−30  
−40  
−50  
−60  
−70  
−80  
−90  
−100  
−20  
−30  
−40  
−50  
−60  
−70  
−80  
−90  
−100  
Fall  
O
S
O
S
V
V
= ±5 V  
V
= 5 V  
Rise  
HD2  
HD3  
HD2  
HD3  
10  
0
0.5  
1
1.5  
2
2.5  
3
3.5  
4
100  
0.1  
1
100  
0.1  
1
10  
V
− Output Voltage Step − V  
f − Frequency − MHz  
f − Frequency − MHz  
O
Figure 13.  
Figure 14.  
Figure 15.  
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VOLTAGE AND CURRENT NOISE  
DIFFERENTIAL GAIN  
vs  
DIFFERENTIAL PHASE  
vs  
vs  
FREQUENCY  
10  
NUMBER OF LOADS  
NUMBER OF LOADS  
0.4  
0.35  
0.3  
100  
0.20  
0.18  
0.16  
Gain = 2  
R = 1.5 k  
40 IRE − NTSC  
Worst Case ±100  
Gain = 2  
R = 1.5 k  
40 IRE − NTSC  
Worst Case ±100 IRE Ramp  
f
f
0.14 IRE Ramp  
0.25  
0.2  
V
n
0.12  
0.10  
0.08  
0.06  
0.04  
V
= 5 V  
S
10  
1
V
= 5 V  
S
0.15  
0.1  
I
n
V
= ±5 V  
S
V
3
= ±5 V  
S
0.05  
0
0.02  
0
0.1  
10 M  
1
0
1
2
4
5
1 k  
10 k  
100 k  
1 M  
0
1
2
3
4
5
Number of Loads − 150 Ω  
f − Frequency − Hz  
Number of Loads − 150 Ω  
Figure 16.  
Figure 17.  
Figure 18.  
DIFFERENTIAL GAIN  
vs  
DIFFERENTIAL PHASE  
vs  
QUIESCENT CURRENT  
vs  
NUMBER OF LOADS  
NUMBER OF LOADS  
SUPPLY VOLTAGE  
22  
0.4  
0.35  
0.3  
0.20  
0.18  
0.16  
0.14  
0.12  
0.10  
0.08  
0.06  
0.04  
Gain = 2  
R = 1.5 k  
40 IRE − PAL  
Worst Case ±100 IRE Ramp  
Gain = 2  
R = 1.5 k  
40 IRE − PAL  
Worst Case ±100 IRE Ramp  
20  
18  
16  
14  
12  
10  
f
T
A
= 85°C  
f
T
A
= 25°C  
0.25  
0.2  
V
= 5 V  
S
V
= 5 V  
S
0.15  
0.1  
T
A
= −40°C  
8
6
4
2
0
V
= ±5 V  
S
V
= ±5 V  
S
0.05  
0
0.02  
0
0
1
2
3
4
5
1.5  
2
2.5  
3
3.5  
4
4.5  
5
0
1
2
3
4
5
Number of Loads − 150 Ω  
V
− Supply Voltage − ±V  
Number of Loads − 150 Ω  
S
Figure 19.  
Figure 20.  
Figure 21.  
OUTPUT VOLTAGE  
vs  
OPEN-LOOP GAIN AND PHASE  
REJECTION RADIO  
vs  
vs  
LOAD RESISTANCE  
FREQUENCY  
FREQUENCY  
5
4
3
110  
100  
90  
80  
70  
60  
50  
40  
30  
20  
10  
220  
200  
180  
160  
140  
120  
100  
80  
100  
V
= ±5 V, 5 V, and 3.3 V  
S
V
= ±5 V, 5 V,  
S
90  
80  
70  
60  
50  
40  
30  
and 3.3 V  
2
1
CMMR  
T
A
= −40 to 85°C  
0
PSRR  
−1  
60  
−2  
−3  
40  
20  
10  
0
20  
−4  
−5  
0
0
−10  
−20  
10  
100  
1 k  
10 k  
0.1  
1
10  
100  
100 1 k 10 k 100 k 1 M 10 M 100 M 1 G  
R
L
− Load Resistance − Ω  
f − Frequency − MHz  
f − Frequency − Hz  
Figure 22.  
Figure 23.  
Figure 24.  
8
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REJECTION RATIO  
vs  
CASE TEMPERATURE  
COMMON-MODE REJECTION RATIO  
vs  
COMMON-MODE REJECTION RATIO  
vs  
INPUT COMMON-MODE RANGE  
INPUT COMMON-MODE RANGE  
100  
90  
100  
100  
V
= ±5 V, 5 V, and 3.3 V  
S
90  
80  
70  
60  
50  
40  
30  
20  
10  
0
90  
80  
70  
60  
50  
40  
30  
20  
CMMR  
80  
PSRR  
70  
60  
50  
40  
V
= 5 V  
S
V
T
A
= ±5 V  
= 25°C  
S
T
A
= 25°C  
10  
0
−40302010  
0 10 20 30 40 50 60 70 80 90  
−6  
−4  
−2  
0
2
4
6
0
0.5  
1
1.5  
2
2.5  
3
3.5  
4
4.5 5  
V
− Input Common-Mode Voltage Range − V  
T
C
− Case Temperature − °C  
V
− Input Common-Mode Voltage Range − V  
ICR  
ICR  
Figure 25.  
Figure 26.  
Figure 27.  
OUTPUT IMPEDANCE  
vs  
OUTPUT IMPEDANCE  
vs  
CROSSTALK  
vs  
FREQUENCY  
FREQUENCY  
FREQUENCY  
120  
100  
10  
100  
10  
Gain = 2  
= 150 to GND  
= 2 V  
PP  
= ±5 V  
Gain = 2  
Crosstalk all Channels  
R
R
= 150 to V /2  
L
L
S
100  
80  
V
V
V
V
= 2 V  
= 5 V  
O
S
O
S
PP  
R
F
= 301 Ω  
R
F
= 301 Ω  
60  
40  
1
1
0.1  
V
= ±5 V, 5 V, and 3.3 V  
S
Gain = 1  
0.1  
R
= 150 Ω  
= −1 dB  
= 25°C  
L
20  
0
V
T
IN  
R
F
= 1.43 kΩ  
R
F
= 1.24 kΩ  
A
0.01  
0.01  
100 k  
1 M  
10 M  
100 M  
1 G  
100 k  
1 M  
10 M  
100 M  
1 G  
100 k  
1 M  
10 M  
100 M  
1 G  
f − Frequency − Hz  
f − Frequency − Hz  
f − Frequency − Hz  
Figure 28.  
Figure 29.  
Figure 30.  
INPUT BIAS AND OFFSET CURRENT  
INPUT BIAS AND OFFSET CURRENT  
vs  
vs  
CASE TEMPERATURE  
CASE TEMPERATURE  
0.84  
0.82  
0.9  
0.88  
0.86  
10  
5
V
= 5 V  
V
= ±5 V  
S
S
5
0
I
OS  
I
OS  
0
0.8  
−5  
−10  
I
IB+  
I
IB+  
0.78  
−5  
−10  
−15  
0.84  
0.82  
I
IB−  
0.76  
0.74  
−15  
−20  
0.8  
0.78  
0.76  
I
IB−  
0.72  
0.7  
−20  
−25  
−25  
−30  
−40302010 0 10 20 30 40 50 60 70 80 90  
−40302010  
0 10 20 30 40 50 60 70 80 90  
Case Temperature − °C  
Case Temperature − °C  
Figure 31.  
Figure 32.  
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APPLICATION INFORMATION  
decrease the loading effect of the feedback network  
on the output of the amplifier, but this enhancement  
comes at the expense of additional noise and  
potentially lower bandwidth. Feedback-resistor values  
between 1 kand 2 kare recommended for most  
situations.  
HIGH-SPEED OPERATIONAL AMPLIFIERS  
The SN1050x operational amplifiers are a family of  
single, dual, and triple rail-to-rail output voltage  
feedback amplifiers. The SN1050x family combines  
both a high slew rate and a rail-to-rail output stage.  
WIDEBAND, INVERTING OPERATION  
Applications Section Contents  
Since the SN1050x family are general-purpose,  
wideband voltage-feedback amplifiers, several  
familiar operational-amplifier applications circuits are  
available to the designer. Figure 34 shows a typical  
inverting configuration where the input and output  
impedances and noise gain from Figure 33 are  
retained in an inverting circuit configuration. Inverting  
operation is one of the more common requirements  
and offers several performance benefits. The  
inverting configuration shows improved slew rates  
and distortion due to the pseudo-static voltage  
maintained on the inverting input.  
Wideband, Noninverting Operation  
Wideband, Inverting Gain Operation  
Video Drive Circuits  
Single Supply Operation  
Power Supply Decoupling Techniques and  
Recommendations  
Active Filtering With the SN1050x  
Driving Capacitive Loads  
Board Layout  
Thermal Analysis  
Additional Reference Material  
Mechanical Package Drawings  
5 V  
+V  
S
+
WIDEBAND, NONINVERTING OPERATION  
100 pF  
0.1 µF  
6.8 µF  
The SN1050x is a family of unity gain stable  
rail-to-rail output voltage feedback operational  
amplifiers designed to operate from a single 3-V to  
15-V power supply.  
+
V
R
649 Ω  
O
T
C
T
_
0.1 µF  
499 Ω  
50 Source  
Figure 33 is the noninverting gain configuration of  
2V/V used to demonstrate the typical performance  
curves.  
R
R
f
g
V
I
1.3 kΩ  
1.3 kΩ  
R
M
0.1 µF  
6.8 µF  
52.3 Ω  
5 V  
+V  
S
+
100 pF  
+
−V  
S
−5 V  
100 pF  
0.1 µF 6.8 µF  
50 Source  
49.9 Ω  
Figure 34. Wideband, Inverting Gain  
Configuration  
+
_
V
I
V
O
499 Ω  
In the inverting configuration, some key design  
considerations must be noted. One is that the gain  
resistor (Rg) becomes part of the signal channel input  
impedance. If input impedance matching is desired  
(beneficial when the signal is coupled through a  
cable, twisted pair, long PC-board trace, or other  
transmission-line conductors), Rg may be set equal to  
the required termination value and Rf adjusted to give  
the desired gain. However, care must be taken when  
dealing with low inverting gains, because the resulting  
feedback-resistor value can present a significant load  
to the amplifier output. For an inverting gain of 2,  
setting Rg to 49.9 for input matching eliminates the  
need for RM but requires a 100-feedback resistor.  
This has the advantage that the noise gain becomes  
equal to 2 for a 50-source impedance—the same  
R
f
1.3 kΩ  
1.3 kΩ  
R
g
0.1 µF 6.8 µF  
+
100 pF  
−V  
S
−5 V  
Figure 33. Wideband, Noninverting Gain  
Configuration  
Voltage-feedback amplifiers, unlike current-feedback  
designs, can use a wide range of resistors values to  
set their gain with minimal impact on their stability  
and frequency response. Larger-valued resistors  
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as the noninverting circuit in Figure 33. However, the  
amplifier output now sees the 100-feedback  
resistor in parallel with the external load. To eliminate  
this excessive loading, increase both Rg and Rf,  
values, as shown in Figure 34, and then provide the  
input-matching impedance with a third resistor (RM) to  
ground. The total input impedance becomes the  
parallel combination of Rg and RM.  
Video Drive Circuits  
Most video-distribution systems are designed with  
75-series resistors to drive a matched 75-cable.  
In order to deliver a net gain of 1 to the 75-Ω  
matched load, the amplifier is typically set up for a  
voltage gain of 2, compensating for the 6-dB  
attenuation of the voltage divider formed by the series  
and shunt 75-resistors at either end of the cable.  
The circuit shown in Figure 36 meets this  
requirement. The SN1050x gain flatness and  
The last major consideration to discuss in inverting  
amplifier design is setting the bias-current  
cancellation resistor on the noninverting input. If the  
resistance is set equal to the total dc resistance  
looking out of the inverting terminal, the output dc  
error, due to the input bias currents, is reduced to the  
input-offset current multiplied by Rf in Figure 34. The  
dc source impedance looking out of the inverting  
terminal is 1.3 k|| (1.3 k+ 25.6 ) = 649 . To  
reduce the additional high-frequency noise introduced  
by the resistor at the noninverting input, and  
differential  
gain/phase  
performance  
provide  
exceptional results in video distribution applications.  
V
S+  
+
10 µF  
0.1 µF  
Video In  
5
3
4
+
75 Ω  
1
power-supply feedback, RT is bypassed with  
capacitor to ground.  
a
75 Ω  
V
O
2
75 Ω  
SINGLE SUPPLY OPERATION  
+
10 µF  
V
S−  
The SN1050x family is designed to operate from a  
single 3-V to 15-V power supply. When operating  
from a single power supply, care must be taken to  
ensure that the input signal and amplifier are biased  
appropriately to allow for the maximum output voltage  
swing. The circuits shown in Figure 35 demonstrate  
methods to configure an amplifier for single-supply  
operation.  
0.1 µF  
1.43 kΩ  
1.43 kΩ  
Figure 36. Cable Drive Application  
Differential gain and phase measure the change in  
overall small-signal gain and phase for the color  
subcarrier frequency (3.58 MHz in NTSC systems) vs  
changes in the large-signal output level (which  
represents luminance information in a composite  
video signal). The SN1050x, with the typical 150-Ω  
load of a single matched video cable, shows less  
than 0.007% / 0.007° differential gain/phase errors  
over the standard luminance range for a positive  
video (negative sync) signal.  
+V  
S
50 Source  
+
V
I
V
O
R
T
49.9 Ω  
_
499 Ω  
+V  
2
S
R
f
1.3 kΩ  
V
S+  
R
g
75  
1.3 kΩ  
0.1 µF  
V
O
+
+V  
2
S
10 µF  
75 Ω  
R
f
Video In  
5
3
4
1.3 kΩ  
+
75 Ω  
75 Ω  
V
1
S
50 Source  
V
O
R
g
_
+
2
75 Ω  
V
I
1.3 kΩ  
T
75 Ω  
75 Ω  
V
O
52.3 Ω  
R
499 Ω  
1.43 kΩ  
1.43 kΩ  
0.1 µF  
+V  
S
+V  
2
S
V
O
2
V
S−  
+
10 µF  
Figure 35. DC-Coupled Single Supply Operation  
Figure 37. Video Distribution  
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Similar performance is observed for negative video  
1.24 k  
1.24 kΩ  
signals. In practice, similar performance is achieved  
even with three video loads as shown in Figure 37  
due to the linear high-frequency output impedance of  
the SN1050x. This circuit is suitable for driving video  
cables, provided that the length does not exceed a  
few feet. If longer cables are driven, the gain of the  
SN1050x can be increased to compensate for cable  
loss.  
Output Range  
= 2 V to 4.5 V  
5 V  
V
Range  
O
= 0 V to 1.25V  
75 Ω  
Input Range  
= 1 V to 2.25 V  
-
+
470 µF  
75 Ω  
R
T
Configuring the SN1050x for single-supply video  
applications is easily done, but attention must be  
given to input and output bias voltages to ensure  
proper system operation. Unlike some video  
amplifiers, the SN1050x input common-mode voltage  
range does not include the negative power supply,  
but rather it is about 1-V from each power supply. For  
split supply configurations, this is very beneficial. For  
single-supply systems, there are some design  
constraints that must be observed.  
Figure 39. AC-Coupled Output Single-Supply  
Video Amplifier  
In some systems, the physical size and/or cost of a  
470-µF capacitor can be prohibitive. One way to  
circumvent this issue is to use two smaller capacitors  
in a feedback configuration as shown in Figure 40.  
This is commonly known as SAG correction. This  
circuit increases the gain of the amplifier up to 3 V/V  
at low frequencies to counteract the increased  
impedance of the capacitor placed at the amplifier  
output. One issue that must be resolved is that the  
gain at low frequencies is typically limited by the  
power-supply voltage and the output swing of the  
amplifier. Therefore, it is possible to saturate the  
amplifier at these low frequencies if full analysis is not  
done on this system which includes both input and  
output requirements.  
Figure 38 shows a single-supply video configuration  
illustrating the dc bias voltages acceptable for the  
SN1050x. The lower end of the input common-mode  
range is specified as 1 V. The upper end is limited to  
4 V with the 5-V supply shown, but the output range  
and gain of 2 limit the highest acceptable input  
voltage to 4.5 V / 2 = 2.25 V. The 4.5-V output is  
what is typically expected with a 150-load. It is  
easily seen that the input and output voltage ranges  
are limiting factors in the total system. Both  
specifications must be taken into account when  
designing a system.  
1.24 k  
1.24 kΩ  
22 µF  
5 V  
1.24 k  
1.24 kΩ  
1.24  
V
Range  
O
kΩ  
Output Range  
= 2 V to 4.5 V  
= 0 V to 1.25V  
75 Ω  
Input Range  
= 1 V to 2.25 V  
5 V  
-
V
Range  
O
+
= 1 V to 2.25 V  
22 µF  
75 Ω  
Input Range  
= 1 V to 2.25 V  
+
75 Ω  
R
T
Output Range  
= 2 V to 4.5 V  
75 Ω  
R
T
Figure 40. AC-Coupled SAG Corrected Output  
Single-Supply Video Amplifier  
Figure 38. DC-Coupled Single-Supply Video  
Amplifier  
Many times the output of the video encoder or DAC  
does not have the capability to output the 1-V to  
2.25-V range, but rather a 0-V to 1.25-V range. In this  
instance, the signal must be ac-coupled to the  
amplifier input as shown in Figure 41. Note that it  
does not matter what the voltage output of the DAC  
is, but rather the voltage swing should be kept less  
In most systems, this may be acceptable because  
most receivers are ac-coupled and set the black level  
to the desired system value, typically 0 V (0-IRE).  
But, to ensure full compatibility with any system, it is  
often desirable to place an ac coupling capacitor on  
the output as shown in Figure 39. This removes the  
dc-bias voltage appearing at the amplifier output. To  
minimize field tilt, the size of this capacitor is typically  
470 µF, although values as small as 220 µF have  
been used with acceptable results.  
than 1.25 VPP  
.
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1.24 k  
1.24 kΩ  
68 µF  
1.24 kΩ  
2.49 kΩ  
Output Range  
= 2 V to 4.5 V  
Output Range  
= 0.5 V to 4.5V  
5 V  
DAC Output  
= 0 V to 2V  
5 V  
5 V  
5 V  
V
O
Range  
V
Range  
O
= 0 V to 1.25V  
DAC Output  
= 0 V to 1.25V  
75 Ω  
470 µF  
-
= 0 V to 2V  
75 Ω  
4.64 kΩ  
+
10 kΩ  
+
470 µF  
10 µF  
10 kΩ  
47 µF  
75 Ω  
75 Ω  
2.26 kΩ  
Input Range  
= 1 V to 2.25V  
Input = 2.5 V  
Figure 41. AC-Coupled Input and Output  
Single-Supply Video Amplifier  
Figure 44. Inverting AC-Coupled Wide Output  
Swing Single-Supply Video Amplifier  
To further increase dynamic range at the output, the  
output dc bias should be centered around 2.5 V for  
the 5-V system shown. However, a wide output range  
requires a wide input range, and should be centered  
around 2.5 V. The best ways to accomplish this are  
to ac-couple the gain resistor or bias it at 2.5 V with a  
reference supply as shown in Figure 42 and  
Figure 43.  
APPLICATION CIRCUITS  
Active Filtering With the SN1050x  
High-frequency active filtering with the SN1050x is  
achievable due to the amplifier's high slew rate, wide  
bandwidth, and voltage feedback architecture.  
Several options are available for high-pass, low-pass,  
bandpass, and bandstop filters of varying orders. A  
simple two-pole, low-pass filter is presented in  
Figure 45 as an example, with two poles at 25 MHz.  
68 µF  
1.24 kΩ  
1.24 kΩ  
Output Range  
= 0.5 V to 4.5V  
5 V  
5 V  
4.7 pF  
V
Range  
O
DAC Output  
= 0 V to 2V  
= 0 V to 2V  
75 Ω  
-
3.01 kΩ  
50 Source  
1.3 kΩ  
+
470 µF  
V
I
47 µF  
1.3 kΩ  
52.3 Ω  
75 Ω  
5 V  
3.01 kΩ  
Input Range  
= 1.5 V to 3.5V  
_
49.9 Ω  
V
O
Figure 42. AC-Coupled Wide Output Swing  
Single-Supply Video Amplifier  
+
33 pF  
−5 V  
1.24 k  
1.24 kΩ  
Figure 45. A Two-Pole Active Filter With Two  
Poles Between 90 MHz and 100 MHz  
2.5 V  
Output Range  
= 0.5 V to 4.5V  
5 V  
5 V  
V
O
Range  
= 0 V to 2V  
Driving Capacitive Loads  
DAC Output  
= 0 V to 2V  
75 Ω  
470 µF  
-
3.01 kΩ  
+
A demanding, yet very common application for an op  
amp is capacitive loading. Often, this load is the input  
of an A/D converter, including additional external  
capacitance, sometimes recommended to improve  
A/D linearity. A high-speed, high open-loop gain  
amplifier like the SN1050x can be very susceptible to  
decreased stability and closed-loop response peaking  
when a capacitive load is placed directly on the  
output pin. When the amplifier's open-loop output  
resistance is considered, the capacitance introduces  
an additional pole in the signal path that can  
decrease the phase margin. When the primary  
considerations are frequency-response flatness,  
pulse response fidelity, or distortion, the simplest and  
most effective solution is to isolate the capacitive load  
47 µF  
75 Ω  
3.01 kΩ  
Input Range  
= 1.5 V to 3.5V  
Figure 43. AC-Coupled Wide Output Swing  
Single-Supply Video Amplifier Using Voltage  
Reference  
Another beneficial configuration is to use the amplifier  
in an inverting configuration as shown in Figure 44.  
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SLOS408BMARCH 2003REVISED JANUARY 2009 .................................................................................................................................................. www.ti.com  
from the feedback loop by inserting a series isolation  
resistor between the amplifier output and the  
capacitive load. This does not eliminate the pole from  
the loop response, but rather shifts it and adds a zero  
at a higher frequency. The additional zero cancels the  
phase lag from the capacitive-load pole, thus  
increasing the phase margin and improving stability.  
ground- and power-plane layout should not be in  
close proximity to the signal I/O pins. Avoid  
narrow power and ground traces to minimize  
inductance between the pins and the decoupling  
capacitors. The power supply connections should  
always be decoupled with these capacitors.  
Larger (2.2-µF to 6.8-µF) decoupling capacitors,  
effective at lower frequency, should also be used  
on the main supply pins. These may be placed  
somewhat farther from the device and may be  
shared among several devices in the same area  
of the PC board.  
Power Supply Decoupling Techniques and  
Recommendations  
Power-supply decoupling is a critical aspect of any  
high-performance amplifier design process. Careful  
decoupling provides higher-quality ac performance,  
most notably improved distortion performance. The  
following guidelines ensure the highest level of  
performance.  
3. Careful selection and placement of external  
components preserves the high frequency  
performance of the SN1050x. Choose  
low-reactance resistors. Surface-mount resistors  
work best, and allow a tighter overall layout.  
Metal-film and carbon-composition axial-lead  
resistors can also provide good high-frequency  
performance. Again, keep component leads and  
PC-board trace length as short as possible.  
1. Place decoupling capacitors as close to the  
power-supply inputs as possible, with the goal of  
minimizing the inductance of the path from  
ground to the power supply  
Never use wirewound resistors in  
a
high  
2. Placement priority; locate the smallest-value  
capacitors nearest to the device.  
frequency application. Since the output pin and  
inverting-input pin are the most sensitive to  
parasitic capacitance, always position the  
feedback and series-output resistor, if any, as  
close as possible to the output pin. Other network  
3. Solid  
power  
and  
ground  
planes  
are  
recommended to reduce the inductance along  
power-supply return-current paths, with the  
exception of the areas underneath the input and  
output pins.  
components,  
such  
as  
noninverting-input  
termination resistors, should also be placed close  
to the package. Where double-sided component  
mounting is allowed, place the feedback resistor  
directly under the package on the other side of  
the board between the output and inverting input  
pins. Even with a low parasitic capacitance  
shunting the external resistors, excessively high  
resistor values can create significant time  
constants that can degrade performance. Good  
axial-lead metal-film or surface-mount resistors  
have approximately 0.2 pF in shunt with the  
resistor. For resistor values > 2.0 k, this  
parasitic capacitance can add a pole and/or a  
zero below 400 MHz that can affect circuit  
operation. Keep resistor values as low as  
4. Recommended values for power supply  
decoupling include a bulk decoupling capacitor  
(6.8 to 22 µF), a mid-range decoupling capacitor  
(0.1 µF) and  
a high frequency decoupling  
capacitor (1000 pF) for each supply. A 100 pF  
capacitor can be used across the supplies as well  
for extremely high-frequency return currents, but  
often is not required.  
BOARD LAYOUT  
Achieving  
optimum  
performance  
with  
a
high-frequency amplifier like the SN1050x requires  
careful attention to board layout parasitics and  
external component types.  
possible,  
consistent  
with  
load-driving  
Recommendations to optimize performance include:  
considerations. A good starting point for design is  
to set the Rf to 1.3 kfor low-gain, noninverting  
applications. This automatically keeps the resistor  
noise terms low, and minimizes the effect of their  
parasitic capacitance.  
1. Minimize parasitic capacitance to any ac  
ground for all signal I/O pins. Parasitic  
capacitance on the output and inverting-input pins  
can cause instability: on the noninverting input, it  
can react with the source impedance to cause  
unintentional band limiting. To reduce unwanted  
capacitance, open a window in all ground and  
power planes around the signal I/O pins. Keep  
ground and power planes unbroken elsewhere on  
the board.  
4. Connections to other wideband devices on  
the board may be made with short, direct  
traces or through onboard transmission lines.  
For short connections, consider the trace and the  
input to the next device as a lumped capacitive  
load. Use relatively wide traces (50 mils to 100  
mils), preferably with ground and power planes  
opened up around them. Low parasitic capacitive  
loads (<4 pF) may not need an R(ISO), since the  
SN1050x is nominally compensated to operate  
2. Minimize the distance (< 0.25”) from the  
power-supply pins to high frequency 0.1-µF  
decoupling capacitors. At the device pins, the  
14  
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SN10501  
SN10502  
SN10503  
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with a 2-pF parasitic load. Higher parasitic  
capacitive loads without an R(ISO) are allowed as  
the signal gain increases (increasing the  
unloaded phase margin). If a long trace is  
required, and the 6-dB signal loss intrinsic to a  
THERMAL ANALYSIS  
The SN1050x family of devices does not incorporate  
automatic thermal shutoff protection, so the designer  
must take care to ensure that the design does not  
violate the absolute-maximum junction temperature of  
doubly-terminated  
acceptable, implement  
transmission  
line  
is  
the  
device.  
Failure  
may  
result  
if  
the  
a
matched-impedance  
absolute-maximum junction temperature of 150°C is  
exceeded.  
transmission line using microstrip or stripline  
techniques (consult an ECL design handbook for  
microstrip and stripline layout techniques). A  
50-environment is normally not necessary  
The thermal characteristics of the device are dictated  
by the package and the PC board. Maximum power  
dissipation for a given package can be calculated  
using the following formula.  
onboard, and in fact  
a
higher-impedance  
environment improves distortion as shown in the  
distortion-versus-load plots. With a characteristic  
board-trace impedance definition based on board  
material and trace dimensions, a matching series  
resistor in the trace from the output of the  
SN1050x is used as well as a terminating shunt  
resistor at the input of the destination device.  
Remember also that the terminating impedance is  
the parallel combination of the shunt resistor and  
the input impedance of the destination device:  
this total effective impedance should be set to  
match the trace impedance. If the 6-dB  
attenuation of a doubly terminated transmission  
Tmax–TA  
+
qJA  
PDmax  
where:  
P
is the maximum power dissipation in the amplifier (W).  
Dmax  
T
is the absolute maximum junction temperature (°C).  
max  
T is the ambient temperature (°C).  
A
θ
θ
= θ + θ  
JA  
JC CA  
is the thermal coefficient from the silicon junctions to the  
JC  
case (°C/W).  
θ
is the thermal coefficient from the case to ambient air  
CA  
(°C/W).  
line is unacceptable,  
a long trace can be  
1.5  
series-terminated at the source end only. Treat  
the trace as a capacitive load in this case and  
add an R(ISO) resistor in series with the output to  
isolate any capacitance to the amplifier. This  
setting does not preserve the signal integrity of a  
doubly-terminated line. If the input impedance of  
the destination device is low, the signal is  
attenuated due to the voltage divider formed by  
the series output into the terminating impedance.  
1.25  
8-Pin D Package  
1
0.75  
5-Pin DBV Package  
0.5  
0.25  
0
5. Socketing a high speed part like the SN1050x  
is not recommended. The additional lead length  
and pin-to-pin capacitance introduced by the  
−40  
−20  
0
20  
40  
60  
80  
T
A
− Ambient Temperature − °C  
socket can create  
a
troublesome parasitic  
θ
θ
T
= 170°C/W for 8-Pin SOIC (D)  
= 324.1°C/W for 5-Pin SOT−23 (DBV)  
= 150°C, No Airflow  
JA  
network which can make it almost impossible to  
achieve a smooth, stable frequency response.  
Best results are obtained by soldering the  
SN1050x onto the board.  
JA  
J
Figure 46. Maximum Power Dissipation  
vs  
Ambient Temperature  
When determining whether or not the device satisfies  
the maximum power dissipation requirement, it is  
important to consider not only quiescent power  
dissipation, but also dynamic power dissipation. Often  
maximum power dissipation is difficult to quantify  
because the signal pattern is inconsistent, but an  
estimate of the RMS power dissipation can provide  
visibility into a possible problem.  
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PACKAGE OPTION ADDENDUM  
www.ti.com  
17-May-2014  
PACKAGING INFORMATION  
Orderable Device  
SN10501D  
Status Package Type Package Pins Package  
Eco Plan  
Lead/Ball Finish  
MSL Peak Temp  
Op Temp (°C)  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
Device Marking  
Samples  
Drawing  
Qty  
(1)  
(2)  
(6)  
(3)  
(4/5)  
ACTIVE  
SOIC  
D
8
5
5
5
5
8
8
8
8
8
8
75  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
10501D  
SN10501DBVR  
SN10501DBVRG4  
SN10501DBVT  
SN10501DBVTG4  
SN10501DG4  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
SOT-23  
SOT-23  
SOT-23  
SOT-23  
SOIC  
DBV  
DBV  
DBV  
DBV  
D
3000  
3000  
250  
250  
75  
Green (RoHS  
& no Sb/Br)  
SBBI  
SBBI  
SBBI  
SBBI  
10501D  
BHA  
Green (RoHS  
& no Sb/Br)  
Green (RoHS  
& no Sb/Br)  
Green (RoHS  
& no Sb/Br)  
Green (RoHS  
& no Sb/Br)  
SN10501DGK  
SN10501DGKG4  
SN10501DGN  
SN10501DGNG4  
SN10501DR  
VSSOP  
VSSOP  
DGK  
DGK  
DGN  
DGN  
D
80  
Green (RoHS  
& no Sb/Br)  
80  
Green (RoHS  
& no Sb/Br)  
BHA  
MSOP-  
PowerPAD  
80  
Green (RoHS  
& no Sb/Br)  
AJU  
MSOP-  
PowerPAD  
80  
Green (RoHS  
& no Sb/Br)  
AJU  
SOIC  
2500  
Green (RoHS  
& no Sb/Br)  
10501D  
SN10501DRG4  
SN10502D  
ACTIVE  
ACTIVE  
SOIC  
SOIC  
D
D
8
8
TBD  
Call TI  
Call TI  
-40 to 85  
-40 to 85  
75  
75  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU  
Level-1-260C-UNLIM  
10502D  
10502D  
AJT  
SN10502DG4  
SN10502DGK  
ACTIVE  
ACTIVE  
ACTIVE  
ACTIVE  
SOIC  
D
8
8
8
8
Green (RoHS  
& no Sb/Br)  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
CU NIPDAU  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
Level-1-260C-UNLIM  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
VSSOP  
VSSOP  
VSSOP  
DGK  
DGK  
DGK  
80  
Green (RoHS  
& no Sb/Br)  
SN10502DGKG4  
SN10502DGKR  
80  
Green (RoHS  
& no Sb/Br)  
AJT  
2500  
Green (RoHS  
& no Sb/Br)  
AJT  
Addendum-Page 1  
PACKAGE OPTION ADDENDUM  
www.ti.com  
17-May-2014  
Orderable Device  
Status Package Type Package Pins Package  
Eco Plan  
Lead/Ball Finish  
MSL Peak Temp  
Op Temp (°C)  
Device Marking  
Samples  
Drawing  
Qty  
(1)  
(2)  
(6)  
(3)  
(4/5)  
SN10502DGKRG4  
SN10502DGN  
ACTIVE  
VSSOP  
DGK  
8
8
TBD  
Call TI  
Call TI  
-40 to 85  
-40 to 85  
ACTIVE  
ACTIVE  
MSOP-  
PowerPAD  
DGN  
DGN  
DGN  
DGN  
D
80  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU  
Level-1-260C-UNLIM  
AJV  
AJV  
SN10502DGNG4  
SN10502DGNR  
SN10502DGNRG4  
SN10502DR  
MSOP-  
PowerPAD  
8
8
8
8
TBD  
TBD  
TBD  
Call TI  
Call TI  
Call TI  
Call TI  
-40 to 85  
-40 to 85  
-40 to 85  
-40 to 85  
OBSOLETE  
OBSOLETE  
ACTIVE  
MSOP-  
PowerPAD  
MSOP-  
PowerPAD  
Call TI  
Call TI  
SOIC  
2500  
50  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU  
Level-1-260C-UNLIM  
10502D  
10503D  
10503D  
SN10503  
SN10502DRG4  
SN10503D  
ACTIVE  
ACTIVE  
SOIC  
SOIC  
D
D
8
TBD  
Call TI  
Call TI  
-40 to 85  
-40 to 85  
14  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU  
Level-1-260C-UNLIM  
SN10503DG4  
SN10503DR  
ACTIVE  
ACTIVE  
SOIC  
SOIC  
D
D
14  
14  
TBD  
Call TI  
Call TI  
-40 to 85  
-40 to 85  
2500  
90  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU  
Level-1-260C-UNLIM  
SN10503DRG4  
SN10503PWP  
ACTIVE  
ACTIVE  
SOIC  
D
14  
14  
TBD  
Call TI  
Call TI  
-40 to 85  
-40 to 85  
HTSSOP  
PWP  
Green (RoHS  
& no Sb/Br)  
CU NIPDAU  
Level-2-260C-1 YEAR  
SN10503PWPG4  
ACTIVE  
HTSSOP  
PWP  
14  
TBD  
Call TI  
Call TI  
-40 to 85  
(1) The marketing status values are defined as follows:  
ACTIVE: Product device recommended for new designs.  
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.  
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in a new design.  
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.  
OBSOLETE: TI has discontinued the production of the device.  
(2) Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check http://www.ti.com/productcontent for the latest availability  
information and additional product content details.  
TBD: The Pb-Free/Green conversion plan has not been defined.  
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements for all 6 substances, including the requirement that  
lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.  
Addendum-Page 2  
PACKAGE OPTION ADDENDUM  
www.ti.com  
17-May-2014  
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and package, or 2) lead-based die adhesive used between  
the die and leadframe. The component is otherwise considered Pb-Free (RoHS compatible) as defined above.  
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame retardants (Br or Sb do not exceed 0.1% by weight  
in homogeneous material)  
(3) MSL, Peak Temp. - The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder temperature.  
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.  
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation  
of the previous line and the two combined represent the entire Device Marking for that device.  
(6) Lead/Ball Finish - Orderable Devices may have multiple material finish options. Finish options are separated by a vertical ruled line. Lead/Ball Finish values may wrap to two lines if the finish  
value exceeds the maximum column width.  
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is provided. TI bases its knowledge and belief on information  
provided by third parties, and makes no representation or warranty as to the accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and  
continues to take reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on incoming materials and chemicals.  
TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited information may not be available for release.  
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI to Customer on an annual basis.  
Addendum-Page 3  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
17-Aug-2012  
TAPE AND REEL INFORMATION  
*All dimensions are nominal  
Device  
Package Package Pins  
Type Drawing  
SPQ  
Reel  
Reel  
A0  
B0  
K0  
P1  
W
Pin1  
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant  
(mm) W1 (mm)  
SN10501DBVR  
SN10501DBVT  
SN10501DR  
SOT-23  
SOT-23  
SOIC  
DBV  
DBV  
D
5
5
3000  
250  
180.0  
180.0  
330.0  
330.0  
330.0  
330.0  
9.0  
9.0  
3.15  
3.15  
6.4  
3.2  
3.2  
5.2  
3.4  
5.2  
9.0  
1.4  
1.4  
2.1  
1.4  
2.1  
2.1  
4.0  
4.0  
8.0  
8.0  
8.0  
8.0  
8.0  
8.0  
Q3  
Q3  
Q1  
Q1  
Q1  
Q1  
8
2500  
2500  
2500  
2500  
12.4  
12.4  
12.4  
16.4  
12.0  
12.0  
12.0  
16.0  
SN10502DGKR  
SN10502DR  
VSSOP  
SOIC  
DGK  
D
8
5.3  
8
6.4  
SN10503DR  
SOIC  
D
14  
6.5  
Pack Materials-Page 1  
PACKAGE MATERIALS INFORMATION  
www.ti.com  
17-Aug-2012  
*All dimensions are nominal  
Device  
Package Type Package Drawing Pins  
SPQ  
Length (mm) Width (mm) Height (mm)  
SN10501DBVR  
SN10501DBVT  
SN10501DR  
SOT-23  
SOT-23  
SOIC  
DBV  
DBV  
D
5
5
3000  
250  
182.0  
182.0  
367.0  
358.0  
367.0  
367.0  
182.0  
182.0  
367.0  
335.0  
367.0  
367.0  
20.0  
20.0  
35.0  
35.0  
35.0  
38.0  
8
2500  
2500  
2500  
2500  
SN10502DGKR  
SN10502DR  
VSSOP  
SOIC  
DGK  
D
8
8
SN10503DR  
SOIC  
D
14  
Pack Materials-Page 2  
IMPORTANT NOTICE  
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other  
changes to its semiconductor products and services per JESD46, latest issue, and to discontinue any product or service per JESD48, latest  
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supplied at the time of order acknowledgment.  
TI warrants performance of its components to the specifications applicable at the time of sale, in accordance with the warranty in TI’s terms  
and conditions of sale of semiconductor products. Testing and other quality control techniques are used to the extent TI deems necessary  
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