LT1809CS8 [Linear]

180MHz, 350V/ms Rail-to-Rail Input and Output Low Distortion Op Amp; 为180MHz , 350V / MS轨至轨输入和输出低失真运算放大器
LT1809CS8
型号: LT1809CS8
厂家: Linear    Linear
描述:

180MHz, 350V/ms Rail-to-Rail Input and Output Low Distortion Op Amp
为180MHz , 350V / MS轨至轨输入和输出低失真运算放大器

运算放大器 放大器电路 光电二极管
文件: 总8页 (文件大小:142K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
Final Electrical Specifications  
LT1809  
180MHz, 350V/µs  
Rail-to-Rail Input and Output  
Low Distortion Op Amp  
January 2000  
U
DESCRIPTIO  
FEATURES  
The LT®1809 is a low distortion rail-to-rail input and  
output op amp with a 350V/µs slew rate. The amplifier has  
a –3dB bandwidth of 320MHz at unity-gain, a gain-band-  
width product of 180MHz (AV 10) and an 85mA output  
current to fit the needs of low voltage, high performance  
signal conditioning systems.  
–3dB Bandwidth: 320MHz, AV = 1  
Gain-Bandwidth Product: 180MHz, AV 10  
Slew Rate: 350V/µs  
Wide Supply Range: 2.5V to 12.6V  
Large Output Current: 85mA  
Low Distortion, 5MHz: 90dBc  
Input Common Mode Range Includes Both Rails  
The LT1809 has an input range that includes both supply  
rails and an output that swings within 20mV of either  
supply rail to maximize the signal dynamic range in low  
supply applications.  
Output Swings Rail-to-Rail  
Input Offset Voltage, Rail-to-Rail: 2.5mV Max  
Common Mode Rejection: 89dB Typ  
Power Supply Rejection: 87dB Typ  
The LT1809 has very low distortion (–90dBc) up to 5MHz  
that allows it to be used in high performance data acqui-  
sition systems.  
Open-Loop Gain: 100V/mV Typ  
Shutdown Pin  
8-Pin SO-8 Package  
Operating Temperature Range 40°C to 85°C  
The LT1809 maintains its performance for supplies from  
2.5V to 12.6V and is specified at 3V, 5V and ±5V supplies.  
The inputs can be driven beyond the supplies without  
damage or phase reversal of the output.  
U
APPLICATIO S  
Active Filters  
The LT1809 is available in the 8-pin SO package with the  
standardopamppinout.Thisdevicecanbeusedasaplug-  
Rail-to-Rail Buffer Amplifiers  
Driving A/D Converters  
in replacement for many op amps to improve input/output  
range and performance.  
Low Voltage Signal Processing  
Video Line Driver  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIO  
Filter Frequency Response  
10  
0
Single 3V Supply, 4MHz, 4th Order Butterworth Filter  
232  
–10  
–20  
274Ω  
47pF  
–30  
–40  
–50  
–60  
–70  
–80  
–90  
22pF  
232Ω  
665Ω  
V
IN  
274Ω  
562Ω  
220pF  
+
LT1809  
470pF  
V
LT1809  
+
OUT  
V
V
= 3V, 0V  
S
= 2.5V  
V
P-P  
IN  
S
1809 TA01  
2
10k  
100k  
1M  
10M  
100M  
FREQUENCY (Hz)  
1809 TA01a  
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.  
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-  
tationthattheinterconnectionofitscircuitsasdescribedhereinwillnotinfringeonexistingpatentrights.  
1
LT1809  
W W  
U W  
U
W
U
ABSOLUTE AXI U RATI GS  
PACKAGE/ORDER I FOR ATIO  
(Note 1)  
TOP VIEW  
ORDER PART  
Total Supply Voltage (V+ to V) ........................... 12.6V  
Input Voltage (Note 2) ..............................................±VS  
Input Current (Note 2) ........................................ ±10mA  
Output Short-Circuit Duration (Note 3)............ Indefinite  
Operating Temperature Range (Note 4) .. 40°C to 85°C  
Specified Temperature Range (Note 5)... 40°C to 85°C  
Junction Temperature........................................... 150°C  
Storage Temperature Range ................. 65°C to 150°C  
Lead Temperature (Soldering, 10 sec).................. 300°C  
NUMBER  
SHDN  
–IN  
1
2
3
4
8
7
6
5
NC  
+
V
LT1809CS8  
LT1809IS8  
+IN  
OUT  
NC  
V
S8 PACKAGE  
8-LEAD PLASTIC SO  
S8 PART  
MARKING  
TJMAX = 150°C, θJA = 190°C/W  
1809  
1809I  
Consult factory for Military grade parts.  
ELECTRICAL CHARACTERISTICS  
TA = 25°C. VS = 5V, 0V; VS = 3V, 0V; VSHDN = open; VCM = VOUT = half supply unless otherwise noted.  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
+
V
Input Offset Voltage  
V
V
= V  
= V  
0.6  
0.6  
2.5  
2.5  
mV  
mV  
OS  
CM  
CM  
+
+
+
V  
Input Offset Shift  
Input Bias Current  
V
= V to V  
0.3  
1.75  
8
mV  
OS  
CM  
+
I
V
V
= V  
= V  
1.8  
–13  
µA  
µA  
B
CM  
CM  
27.5  
I  
B
Input Bias Current Shift  
Input Offset Current  
V
= V to V  
11.8  
35.5  
µA  
CM  
+
I
V
V
= V  
= V  
0.05  
0.2  
1.2  
4
µA  
µA  
OS  
CM  
CM  
I  
OS  
Input Offset Current Shift  
Input Noise Voltage Density  
Input Noise Current Density  
Input Capacitance  
V
= V to V  
0.25  
16  
5
5.2  
µA  
nV/Hz  
pA/Hz  
pF  
CM  
e
f = 10kHz  
f = 10kHz  
n
i
n
C
A
2
IN  
VOL  
Large-Signal Voltage Gain  
V = 5V, V = 0.5V to 4.5V, R = 1k  
V = 5V, V = 1V to 4V, R = 100Ω  
V = 3V, V = 0.5V to 2.5V, R = 1k  
35  
4.5  
22  
90  
10  
42  
V/mV  
V/mV  
V/mV  
S
O
L
S
O
L
S
O
L
+
CMRR  
PSRR  
Common Mode Rejection Ratio  
V = 5V, V = V to V  
69  
64  
82  
78  
dB  
dB  
S
CM  
+
V = 3V, V = V to V  
S
CM  
+
Input Common Mode Range  
Power Supply Rejection Ratio  
Minimum Supply Voltage (Note 6)  
V
V
V
dB  
V
V = 2.5V to 10V, V = 0V  
73  
87  
S
CM  
2.3  
2.5  
2
LT1809  
ELECTRICAL CHARACTERISTICS  
TA = 25°C. VS = 5V, 0V; VS = 3V, 0V; VSHDN = open; VCM = VOUT = half supply unless otherwise noted.  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
V
V
Output Voltage Swing LOW (Note 7)  
Output Voltage Swing HIGH (Note 7)  
Short-Circuit Current  
No Load  
6
40  
150  
20  
80  
300  
mV  
mV  
mV  
OL  
OH  
I
I
= 5mA  
= 25mA  
SINK  
SINK  
No Load  
17  
80  
300  
40  
160  
500  
mV  
mV  
mV  
I
= 5mA  
= 25mA  
SOURCE  
SOURCE  
I
I
I
V = 5V  
±50  
±40  
±85  
±70  
mA  
mA  
SC  
S
V = 3V  
S
Supply Current  
12.5  
17  
mA  
S
Disable Supply Current  
V = 5V, V  
V = 3V, V  
S
= 0V  
= 0V  
0.55  
0.31  
0.8  
0.5  
mA  
mA  
S
SHDN  
SHDN  
GBW  
SR  
Gain-Bandwidth Product  
Slew Rate  
Frequency = 2MHz  
V = 5V, A = –1, R = 1k, V = 4V  
P-P  
160  
300  
MHz  
V/µs  
dB  
S
V
L
O
THD  
Total Harmonic Distortion  
Settling Time  
V = 5V, A = 1, R = 1k, V = 2V , f = 5MHz  
86  
40  
S
V
L
O
P-P C  
t
0.01%, V = 5V, V  
= 2V, A = 1, R = 1k  
ns  
S
S
STEP  
V
L
G  
Differential Gain (NTSC)  
Differential Phase (NTSC)  
V = 5V, A = 2, R = 150Ω  
0.015  
0.05  
%
S
V
L
∆θ  
%
The denotes the specifications which apply over the 0°C TA 70°C temperature range. VS = 5V, 0V; VS = 3V, 0V; VSHDN = open;  
VCM = VOUT = half supply unless otherwise noted.  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
+
V
Input Offset Voltage  
V
V
= V  
= V  
1
1
3
3
mV  
mV  
OS  
CM  
CM  
+
V
TC  
Input Offset Voltage Drift (Note 8)  
V
V
= V  
= V  
9
9
25  
25  
µV/°C  
µV/°C  
OS  
CM  
CM  
+
V  
Input Offset Voltage Shift  
Input Bias Current  
V
= V to V  
0.5  
2
mV  
OS  
CM  
+
I
V
V
= V – 0.1V  
2
–14  
10  
µA  
µA  
B
CM  
CM  
= V + 0.2V  
30  
+
I  
Input Bias Current Shift  
Input Offset Current  
V
= V + 0.2V to V – 0.1V  
12  
40  
µA  
B
CM  
+
I
V
V
= V – 0.1V  
0.05  
0.40  
1.5  
4.5  
µA  
µA  
OS  
CM  
CM  
= V + 0.2V  
+
I  
Input Offset Current Shift  
Large-Signal Voltage Gain  
V
= V + 0.2V to V – 0.1V  
0.45  
6
µA  
OS  
CM  
A
V = 5V, V = 0.5V to 4.5V, R = 1k  
V = 5V, V = 1V to 4V, R = 100Ω  
V = 3V, V = 0.5V to 2.5V, R = 1k  
25  
3.5  
16  
80  
8.5  
40  
V/mV  
V/mV  
V/mV  
VOL  
S
O
L
S
O
L
S
O
L
+
CMRR  
PSRR  
Common Mode Rejection Ratio  
V = 5V, V = V to V  
67.5  
63.5  
80  
75  
dB  
dB  
S
CM  
+
V = 3V, V = V to V  
S
CM  
+
Input Common Mode Range  
V
V
V
dB  
V
Power Supply Rejection Ratio  
Minimum Supply Voltage (Note 6)  
Output Voltage Swing LOW (Note 7)  
V = 2.5V to 10V, V = 0V  
71  
83  
S
CM  
2.3  
2.5  
V
No Load  
8
40  
160  
25  
80  
320  
mV  
mV  
mV  
OL  
I
I
= 5mA  
= 25mA  
SINK  
SINK  
3
LT1809  
ELECTRICAL CHARACTERISTICS  
The denotes the specifications which apply over the 0°C TA 70°C temperature range. VS = 5V, 0V; VS = 3V, 0V; VSHDN = open;  
VCM = VOUT = half supply unless otherwise noted.  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
V
Output Voltage Swing HIGH (Note 7)  
Short-Circuit Current  
No Load  
50  
110  
340  
100  
220  
600  
mV  
mV  
mV  
OH  
I
I
= 5mA  
= 25mA  
SOURCE  
SOURCE  
I
I
V = 5V  
±45  
±35  
±75  
±65  
mA  
mA  
SC  
S
V = 3V  
S
Supply Current  
15  
20  
mA  
S
Disable Supply Current  
V = 5V, V  
V = 3V, V  
S
= 0V  
= 0V  
0.58  
0.35  
1
0.75  
mA  
mA  
S
SHDN  
SHDN  
GBW  
SR  
Gain-Bandwidth Product  
Slew Rate  
145  
250  
MHz  
V = 5V, A = –1, R = 1k, V = 4V  
P-P  
V/µs  
S
V
L
O
The denotes the specifications which apply over the 40°C TA 85°C temperature range. VS = 5V, 0V; VS = 3V, 0V; VSHDN = open;  
VCM = VOUT = half supply unless otherwise noted. (Note 5)  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
+
Vos  
Input Offset Voltage  
V
V
= V  
= V  
1
1
3.5  
3.5  
mV  
mV  
CM  
CM  
+
Vos TC  
Vos  
Input Offset Voltage Drift (Note 8)  
V
V
= V  
= V  
9
9
25  
25  
µV/°C  
µV/°C  
CM  
CM  
Input Offset Voltage Shift  
Input Bias Current  
V
= V  
0.5  
2.25  
12  
mV  
CM  
+
I
V
V
= V – 0.1V  
2
–17  
µA  
µA  
B
CM  
CM  
= V + 0.2V  
35  
+
I  
Input Bias Current Shift  
Input Offset Current  
V
= V + 0.2V to V – 0.1V  
14  
47  
µA  
B
CM  
+
I
V
V
= V – 0.1V  
0.08  
0.5  
2
6
µA  
µA  
OS  
CM  
CM  
= V + 0.2V  
+
I  
Input Offset Current Shift  
Large-Signal Voltage Gain  
V
= V + 0.2V to V – 0.1V  
0.58  
7.5  
µA  
OS  
CM  
A
V = 5V, V = 0.5V to 4.5V, R = 1k  
V = 5V, V = 1V to 4V, R = 100Ω  
V = 3V, V = 0.5V to 2.5V, R = 1k  
20  
2.5  
12  
60  
7
35  
V/mV  
V/mV  
V/mV  
VOL  
S
O
L
S
O
L
S
O
L
+
CMRR  
PSRR  
Common Mode Rejection Ratio  
V = 5V, V = V to V  
66.5  
62.5  
80  
75.5  
dB  
dB  
S
CM  
+
V = 3V, V = V to V  
S
CM  
+
Input Common Mode Range  
V
V
V
dB  
V
Power Supply Rejection Ratio  
Minimum Supply Voltage (Note 6)  
Output Voltage Swing LOW (Note 7)  
V = 2.5V to 10V, V = 0V  
71  
83.5  
2.3  
S
CM  
2.5  
V
V
No Load  
8
45  
170  
30  
90  
340  
mV  
mV  
mV  
OL  
OH  
I
I
= 5mA  
= 25mA  
SINK  
SINK  
Output Voltage Swing HIGH (Note 7)  
Short-Circuit Current  
No Load  
55  
110  
350  
120  
230  
620  
mV  
mV  
mV  
I
= 5mA  
= 25mA  
SOURCE  
SOURCE  
I
I
I
V = 5V  
±35  
±30  
±70  
±60  
mA  
mA  
SC  
S
V = 3V  
S
Supply Current  
15  
21  
mA  
S
Disable Supply Current  
V = 5V, V  
V = 3V, V  
S
= 0V  
= 0V  
0.58  
0.35  
1.1  
0.85  
mA  
mA  
S
SHDN  
SHDN  
4
LT1809  
ELECTRICAL CHARACTERISTICS  
The denotes the specifications which apply over the 40°C TA 85°C temperature range. VS = 5V, 0V; VS = 3V, 0V; VSHDN = open;  
CM = VOUT = half supply unless otherwise noted. (Note 5)  
V
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
140  
180  
MAX  
UNITS  
MHz  
GBW  
SR  
Gain-Bandwidth Product  
Slew Rate  
Frequency = 2MHz  
V = 5V, A = -1, R = 1k, V = 4V  
P-P  
V/µs  
S
V
L
O
TA = 25°C. VS = ±5V, VSHDN = open, VCM = 0V, VOUT = 0V unless otherwise noted.  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
+
V
Input Offset Voltage  
V
V
= V  
= V  
0.8  
0.8  
3
3
mV  
mV  
OS  
CM  
CM  
+
+
+
Vos  
Input Offset Voltage Shift  
Input Bias Current  
V
= V to V  
0.35  
2
mV  
CM  
+
I
V
V
= V  
= V  
2
10  
µA  
µA  
B
CM  
CM  
30  
–12.5  
I  
B
Input Bias Current Shift  
Input Offset Current  
V
= V to V  
13.5  
42.5  
µA  
CM  
+
I
V
V
= V  
= V  
0.05  
0.4  
2
5
µA  
µA  
OS  
CM  
CM  
I  
OS  
Input Offset Current Shift  
Input Noise Voltage Density  
Input Noise Current Density  
Input Capacitance  
V
= V to V  
0.45  
16  
5
7
µA  
nV/Hz  
pA/Hz  
pF  
CM  
e
f = 10kHz  
f = 10kHz  
f = 100kHz  
n
i
n
C
A
2
in  
VOL  
Large-Signal Voltage Gain  
V = 4V to 4V, R = 1k  
V = 2.5V to 2.5V, R = 100Ω  
45  
5
100  
12  
V/mV  
V/mV  
O
L
O
L
+
CMRR  
Common Mode Rejection Ratio  
Input Common Mode Range  
V
= V to V  
73  
89  
dB  
V
CM  
+
V
V
+
PSRR  
Power Supply Rejection Ratio  
Output Voltage Swing LOW (Note 7)  
V = 2.5V to 10V, V = 0V  
73  
87  
dB  
V
V
No Load  
SINK  
SINK  
8
46  
170  
30  
100  
350  
mV  
mV  
mV  
OL  
OH  
I
I
= 5mA  
= 25mA  
Output Voltage Swing HIGH (Note 7)  
No Load  
SOURCE  
SOURCE  
30  
90  
310  
60  
200  
600  
mV  
mV  
mV  
I
I
= 5mA  
= 25mA  
I
I
Short-Circuit Current  
Supply Current  
±60  
±85  
15  
mA  
mA  
SC  
20  
S
Disable Supply Current  
Gain-Bandwidth Product  
Slew Rate  
V
= 0V  
0.6  
180  
350  
0.9  
mA  
SHDN  
GBW  
SR  
Frequency = 2MHz  
120  
175  
MHz  
V/µs  
A = –1, R = 1k, V = ±4V,  
Measure at V = ±3V  
V
L
O
O
HD  
Total Harmonic Distortion  
Settling Time  
A = 1, R = 1k, V = 2V , f = 5MHz  
90  
60  
dB  
nS  
%
V
L
O
P-P C  
t
0.01%, V = 5V, A = 1, R = 1k  
STEP V L  
S
G  
Differential Gain (NTSC)  
Differential Phase (NTSC)  
A = 2, R = 150  
0.01  
0.01  
V
L
∆θ  
%
5
LT1809  
ELECTRICAL CHARACTERISTICS  
The denotes the specifications which apply over the 0°C TA 70°C temperature range. VS = ±5V, VSHDN = open, VCM = 0V,  
VOUT = 0V unless otherwise noted.  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
+
V
V
Input Offset Voltage  
V
V
= V  
= V  
1
1
3.25  
3.25  
mV  
mV  
OS  
OS  
CM  
CM  
+
TC  
Input Offset Voltage Drift (Note 8)  
V
V
= V  
= V  
10  
10  
25  
25  
µV/°C  
µV/°C  
CM  
CM  
+
V  
Input Offset Voltage Shift  
Input Bias Current  
V
= V to V  
0.5  
2.15  
12.5  
mV  
OS  
CM  
+
I
V
V
= V – 0.1V  
2.5  
–15  
µA  
µA  
B
CM  
CM  
= V +0.2V  
37.5  
+
I  
Input Bias Current Shift  
Input Offset Current  
V
= V + 0.2V to V – 0.1V  
14  
50  
µA  
B
CM  
+
I
V
V
= V – 0.1V  
0.06  
0.5  
2.25  
6
µA  
µA  
OS  
CM  
CM  
= V + 0.2V  
+
I  
Input Offset Current Shift  
Large-Signal Voltage Gain  
V
= V + 0.2V to V – 0.1V  
0.56  
8.25  
µA  
OS  
CM  
A
V = 4V to 4V, R = 1k  
V = 2.5V to 2.5V, RL = 100Ω  
35  
4
90  
10  
V/mV  
V/mV  
VOL  
O
L
O
+
CMRR  
Common Mode Rejection Ratio  
Input Common Mode Range  
V
= V to V  
73.5  
86  
dB  
V
CM  
+
V
V
+
PSRR  
Power Supply Rejection Ratio  
Output Voltage Swing LOW (Note 7)  
V = 2.5V to 10V, V = 0V  
71  
83  
dB  
V
V
No Load  
10  
45  
185  
40  
100  
370  
mV  
mV  
mV  
OL  
OH  
I
I
= 5mA  
= 25mA  
SINK  
SINK  
Output Voltage Swing HIGH (Note 7)  
No Load  
60  
110  
360  
120  
220  
625  
mV  
mV  
mV  
I
I
= 5mA  
SOURCE  
SOURCE  
= 25mA  
I
I
Short-Circuit Current  
Supply Current  
±50  
±75  
17.5  
0.6  
mA  
mA  
SC  
25  
S
Disable Supply Current  
Gain-Bandwidth Product  
Slew Rate  
V
= 0V  
1.1  
mA  
SHDN  
GBW  
SR  
Frequency = 2MHz  
A = –1, R = 1k, V = ±4V,  
100  
150  
170  
300  
MHz  
V/µs  
V
L
O
Measure at V = ±3V  
O
The denotes the specifications which apply over the 40°C TA 85°C temperature range. VS = ±5V, VSHDN = open, VCM = 0V,  
VOUT = 0V unless otherwise noted. (Note 5)  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
+
V
Input Offset Voltage  
V
V
= V  
= V  
1
1
3.75  
3.75  
mV  
mV  
OS  
CM  
CM  
+
V
TC  
Input Offset Voltage Drift (Note 8)  
V
V
= V  
= V  
10  
10  
25  
25  
µV/°C  
µV/°C  
OS  
CM  
CM  
+
V  
Input Offset Voltage Shift  
Input Bias Current  
V
= V to V  
0.5  
2.5  
14  
mV  
OS  
CM  
+
I
V
V
= V – 0.1V  
2.8  
–17  
µA  
µA  
B
CM  
CM  
= V + 0.2V  
45  
+
I  
B
Input Bias Current Shift  
V
= V + 0.2V to V – 0.1V  
19.8  
59  
µA  
CM  
6
LT1809  
ELECTRICAL CHARACTERISTICS  
The denotes the specifications which apply over the 40°C TA 85°C temperature range. VS = ±5V, VSHDN = open, VCM = 0V,  
OUT = 0V unless otherwise noted. (Note 3)  
V
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
+
I
Input Offset Current  
V
V
= V – 0.1V  
0.08  
0.6  
2.5  
8
µA  
µA  
OS  
CM  
CM  
= V + 0.2V  
+
I  
Input Offset Current Shift  
Large-Signal Voltage Gain  
V
= V + 0.2V to V – 0.1V  
0.68  
10.5  
µA  
OS  
CM  
A
V = 4V to 4V, R = 1k  
V = 2.5V to 2.5V, R = 100Ω  
25  
3
80  
10  
V/mV  
V/mV  
VOL  
O
L
O
L
+
CMRR  
Common Mode Rejection Ratio  
Input Common Mode Range  
V
= V to V  
72  
86  
dB  
V
CM  
+
V
V
+
PSRR  
Power Supply Rejection Ratio  
Output Voltage Swing LOW (Note 7)  
V = 2.5V to 10V, V = 0V  
71  
83.5  
dB  
V
V
No Load  
10  
50  
200  
45  
100  
400  
mV  
mV  
mV  
OL  
OH  
I
I
= 5mA  
= 25mA  
SINK  
SINK  
Output Voltage Swing HIGH (Note 7)  
No Load  
70  
115  
360  
140  
240  
650  
mV  
mV  
mV  
I
I
= 5mA  
SOURCE  
SOURCE  
= 25mA  
I
I
Short-Circuit Current  
Supply Current  
±40  
±75  
19  
mA  
mA  
SC  
25  
S
Disable Supply Current  
Gain-Bandwidth Product  
Slew Rate  
V
= 0V  
0.65  
160  
220  
1.15  
mA  
SHDN  
GBW  
SR  
Frequency = 2MHz  
A = 1, R = 1k, V = ±4V,  
90  
MHz  
V/µs  
110  
V
L
O
Measure at V = ±2V  
O
Note 1: Absolute Maximum Ratings are those values beyond which the life  
of a device may be impaired.  
Note 2: The inputs are protected by back-to-back diodes. If the differential  
input voltage exceeds 1.4V, the input current should be limited to less than  
10mA.  
Note 5: The LT1809C is guaranteed to meet specified performance from  
0°C to 70°C. The LT1809C is designed, characterized and expected to  
meet specified performance from 40°C to 85°C but is not tested or QA  
sampled at these temperatures. The LT1809I is guaranteed to meet  
specified performance from 40°C to 85°C.  
Note 6: Minimum supply voltage is guaranteed by power supply rejection  
ratio test.  
Note 7: Output voltage swings are measured between the output and  
Note 3: A heat sink may be required to keep the junction temperature  
below the absolute maximum rating when the output is shorted  
indefinitely.  
power supply rails.  
Note 8: This parameter is not 100% tested.  
Note 4: The LT1809C/LT1809I are guaranteed functional over the  
operating temperature range of 40 C and 85 C.  
o
o
U
PACKAGE DESCRIPTIO  
Dimensions in inches (millimeters) unless otherwise noted.  
S8 Package  
8-Lead Plastic Small Outline (Narrow 0.150)  
(LTC DWG # 05-08-1610)  
0.189 – 0.197*  
(4.801 – 5.004)  
0.010 – 0.020  
(0.254 – 0.508)  
7
5
8
6
× 45°  
0.053 – 0.069  
(1.346 – 1.752)  
0.004 – 0.010  
(0.101 – 0.254)  
0.008 – 0.010  
(0.203 – 0.254)  
0°– 8° TYP  
0.150 – 0.157**  
(3.810 – 3.988)  
0.228 – 0.244  
(5.791 – 6.197)  
0.016 – 0.050  
(0.406 – 1.270)  
0.050  
(1.270)  
BSC  
0.014 – 0.019  
(0.355 – 0.483)  
TYP  
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH  
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE  
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD  
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE  
1
2
3
4
SO8 1298  
7
LT1809  
U
TYPICAL APPLICATIO  
Single Supply Video Line Driver  
matching of the 75line with the back-terminated resis-  
tor, R5. The back termination will eliminate any reflection  
of the signal that comes from the load. The input termina-  
tion resistor, RT, is optional—it is used only if matching of  
the incoming line is necessary. The values of C1, C2 and  
C3 are selected to minimize the droop of the luminance  
signal. In some less stringent requirements, the value of  
capacitors could be reduced.  
The LT1809 is a wideband rail-to-rail op amp with high  
output current that allows it to drive video signals in low  
supply applications. Figure 1 depicts a single supply video  
line driver with AC coupling to minimize the quiescent  
power dissipation. Resistors R1 and R2 are used to level-  
shift the input and output to provide the largest signal  
swing. The gain of two is set up with R3 and R4 to restore  
the signal at VOUT which is attenuated by 6dB due to the  
5V  
C1  
R1  
33µF  
5k  
C3  
3
2
7
LT1809  
4
75Ω  
R5  
V
IN  
+
1000µF  
COAX CABLE  
75Ω  
6
R
R2  
5k  
T
V
OUT  
75Ω  
R
LOAD  
75Ω  
R4  
1k  
R3  
1k  
+
C2  
150µF  
1809 TA02  
Figure 1. Single Supply Video Line Driver  
RELATED PARTS  
PART NUMBER  
DESCRIPTION  
COMMENTS  
LT1632/LT1633  
Dual/Quad 45MHz, 45V/µs Rail-to-Rail Input and Output Op Amps High DC Accuracy, 1.35mV V  
, 70mA Output Current,  
OS(MAX)  
Max Supply Current 5.2mA per Amplifier  
LT1630/LT1631  
LT1215/LT1216  
Dual/Quad 30MHz, 10V/µs Rail-to-Rail Input and Output Op Amps High DC Accuracy, 525µV V  
, 70mA Output Current,  
OS(MAX)  
Max Supply Current 4.4mA per Amplifier  
Dual/Quad 23MHz, 50V/µs Single Supply Precision Op Amps  
Input Common Mode Includes Ground, 450µV V  
6µV/°C Max Drift, Max Supply Current 6.6mA per Amplifier  
,
OS(MAX)  
1809i LT/TP 0100 4K • PRINTED IN USA  
LinearTechnology Corporation  
1630 McCarthy Blvd., Milpitas, CA 95035-7417  
8
LINEAR TECHNOLOGY CORPORATION 2000  
(408)432-1900 FAX:(408)434-0507 www.linear-tech.com  

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