MIC913 [MICREL]
350MHz Low-Power SOT-23-5 Op Amp; 350MHz的低功耗SOT- 23-5运算放大器
| 型号： | MIC913 |
| 厂家： | 
MICREL SEMICONDUCTOR |
| 描述： | 350MHz Low-Power SOT-23-5 Op Amp |
| 文件： | 总12页 (文件大小：181K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MIC913
350MHz Low-Power SOT-23-5 Op Amp
General Description
Features
The MIC913 is a high-speed, operational amplifier. It pro-
vides a gain-bandwidth product of 350MHz with a very low,
4.2mA supply current, and features the tiny SOT-23-5 pack-
age.
• 350MHz gain bandwidth product
• 4.2mA supply current
• SOT-23-5 package
• 500V/µs slew rate
• Drives any capacitive load
• Low distortion
• Stable with gain of +2 or –1
Supply voltage range is from 2.5V to 9V, allowing the
MIC913 to be used in low-voltage circuits or applications
requiring large dynamic range.
The MIC913 requires a minimum gain of +2 or –1 but is stable
driving any capacitative load and achieves excellent PSRR,
making it much easier to use than most conventional high-
speed devices. Low supply voltage, low power consumption,
and small packing make the MIC913 ideal for portable
equipment. The ability to drive capacitative loads also makes
it possible to drive long coaxial cables.
Applications
• Video
• Imaging
• Ultrasound
• Portable equipment
• Line drivers
• XDSL
Ordering Information
Part Number
Junction Temp. Range
Package
MIC913BM5
–40°C to +85°C
SOT-23-5
Pin Configuration
Functional Pinout
IN+ V+ OUT
IN+ V+ OUT
3
2
1
3
2
1
Part
Identification
A24
4
5
4
5
IN–
V–
IN–
V–
SOT-23-5
SOT-23-5
Pin Description
Pin Number
Pin Name
Pin Function
1
2
3
4
5
OUT
V+
Output: Amplifier Output
Positive Supply (Input)
Noninverting Input
IN+
IN–
V–
Inverting Input
Negative Supply (Input)
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
August 2000
1
MIC913
MIC913
Micrel
Absolute Maximum Ratings (Note 1)
Operating Ratings (Note 2)
Supply Voltage (V – V )...........................................20V
Supply Voltage (V ) ....................................... 2.5V to 9V
V+
V–
S
Differential Input Voltage (V
– V ) ..........4V, Note 3
Junction Temperature (T ) ......................... –40°C to +85°C
IN+
IN–
J
Input Common-Mode Range (V , V ) .......... V to V
Package Thermal Resistance ...............................260°C/W
IN+
IN–
V+
V–
Lead Temperature (soldering, 5 sec.) ....................... 260°C
Storage Temperature (T ) ........................................ 150°C
S
ESD Rating, Note 4 ................................................... 1.5kV
Electrical Characteristics ( 5V)
VV+ = +5V, VV– = –5V, VCM = 0V, VOUT = 0V; RL = 10MΩ; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +85°C; unless noted.
Symbol
VOS
Parameter
Condition
Min
Typ
1
Max
16
Units
mV
Input Offset Voltage
VOS
Input Offset Voltage
Temperature Coefficient
4
µV/°C
IB
Input Bias Current
5.5
9
15
µA
µA
IOS
Input Offset Current
0.05
3
µA
V
VCM
Input Common-Mode Range
Common-Mode Rejection Ratio
Power Supply Rejection Ratio
CMRR > 60dB
–3.25
+3.25
CMRR
PSRR
–2.0V < VCM < +2.0V
5V < VS < 9V
70
85
81
dB
70
65
dB
dB
AVOL
Large-Signal Voltage Gain
RL = 2k, VOUT = 2V
RL = 200Ω, VOUT = 2V
positive, RL = 2kΩ
60
60
71
71
dB
dB
VOUT
Maximum Output Voltage Swing
+3.3
+3.0
3.5
V
V
negative, RL = 2kΩ
positive, RL = 200Ω
negative, RL = 200Ω
–3.5
3.2
–3.3
–3.0
V
V
+3.0
+2.75
V
V
–2.8
–2.45
–2.2
V
V
GBW
BW
Gain-Bandwidth Product
f = 80MHz, RL = 1kΩ
300
213
104
0.01
MHz
MHz
MHz
%
–3dB Bandwidth
AV = 2, RL = 150Ω
AV = 4 or AV = –3, RL = 400Ω-
THD
Total Harmonic Distortion
RF = RG = 470Ω, AV = 2, VOUT = 2Vpp,
f = 2MHz
AV = 2, VOUT = 2Vpp, f = 2MHz, RL = 500Ω
0.05
350
72
%
SR
Slew Rate
V/µs
mA
mA
IGND
Short-Circuit Output Current
source
sink
25
IGND
Supply Current
4.1
4.9
5.4
mA
mA
MIC913
2
August 2000
MIC913
Micrel
Electrical Characteristics
VV+ = +9V, VV– = –9V, VCM = 0V, VOUT = 0V; RL = 10MΩ; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +85°C; unless noted
Symbol
VOS
Parameter
Condition
Min
Typ
1
Max
16
Units
mV
Input Offset Voltage
VOS
Input Offset Voltage
Temperature Coefficient
4
µV/°C
IB
Input Bias Current
5.5
9
15
µA
µA
IOS
Input Offset Current
0.05
3
µA
V
VCM
Input Common-Mode Range
Common-Mode Rejection Ratio
Large-Signal Voltage Gain
Maximum Output Voltage Swing
CMRR > 60dB
–7.25
70
+7.25
CMRR
AVOL
VOUT
–6.0V < VCM < 6.0V
RL = 2kΩ, VOUT = 6V
positive, RL = 2kΩ
88
73
dB
dB
60
+7.2
+6.8
+7.4
V
V
negative, RL = 2kΩ
–7.4
–7.2
–6.8
V
V
GBW
BW
Gain-Bandwidth Product
RL = 1kΩ, f = 80MHz
AV = 2 or AV = –1, RL = 150Ω
AV = 4 or AV = –3
350
240
140
0.01
MHz
MHz
MHz
%
–3dB Bandwidth
THD
Total Harmonic Distortion
RF = RG = 470Ω, AV = 2, VOUT = 2Vpp,
f = 2MHz
AV = 2, VOUT = 2Vpp, f = 2MHz, RL = 500Ω
0.04
500
90
%
SR
Slew Rate
V/µs
mA
mA
IGND
Short-Circuit Output Current
source
sink
32
IGND
Supply Current
4.2
5.0
5.5
mA
mA
Note 1. Exceeding the absolute maximum rating may damage the device.
Note 2. The device is not guaranteed to function outside its operating rating.
Note 3. Exceeding the maximum differential input voltage will damage the input stage and degrade performance (in particular, input bias current is
likely to increase).
Note 4. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF.
August 2000
3
MIC913
MIC913
Micrel
Test Circuits
VCC
10µF
VCC
0.1µF
R2
5k
50Ω
BNC
Input
10µF
0.1µF
2k
BNC
R1 5k
R7c 2k
10k
4
3
0.1µF
4
2
2
Input
BNC
BNC
1
1
MIC913
Output
MIC913
Output
10k
3
R7b 200Ω
R7a 100Ω
10k
5
5
0.1µF
50Ω
R6
5k
0.1µF
50Ω
BNC
R3
200k
R5
5k
10µF
Input
VEE
All resistors 1%
0.1µF
10µF
R4
250Ω
All resistors:
1% metal film
R2 R2 +R5 +R4
V
=V
1+
+
OUT
ERROR
VEE
R1
R7
CMRR vs. Frequency
PSRR vs. Frequency
100pF
R2 4k
VCC
10µF
10pF
R1
20Ω
R3 27k
4
0.1µF
2
BNC
To
Dynamic
Analyzer
S1
S2
1
MIC913
3
5
0.1µF
R5
20Ω
R4 27k
10pF
10µF
VEE
Noise Measurement
MIC913
4
August 2000
MIC913
Micrel
Electrical Characteristics
Supply Current
vs. Temperature
Offset Voltage
Supply Current
vs. Temperature
vs. Supply Voltage
5.0
4.5
4.0
3.5
1.0
0.5
5.0
VSUPPLY
= 5V
+85°C
4.5
VSUPPLY
=
9V
0.0
+25°C
4.0
-0.5
-1.0
-1.5
VSUPPLY
= 5V
VSUPPLY
= 9V
3.5
-40°C
3.0
-40 -20
0
20 40 60 80 100
-40 -20
0
20 40 60 80 100
2
3
4
5
6
7
8
9
10
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY VOLTAGE ( V)
Bias Current
vs. Temperature
Offset Voltage
Offset Voltage
vs. Common-Mode Voltage
vs. Common-Mode Voltage
10
8
10
8
10
9
8
VSUPPLY
=
9V
VSUPPLY = 5V
+85°C
7
6
6
+85°C
5
4
3
2
6
4
VSUPPLY
= 5V
= 9V
2
-40°C
VSUPPLY
4
-40°C
1
0
0
+25°C
+25°C
2
-2
-1
-40 -20
0
20 40 60 80 100
-5 -4 -3 -2 -1
0 1 2 3 4 5
-8 -6 -4 -2
0
2
4
6
8
TEMPERATURE (°C)
COMMON-MODE VOLTAGE (V)
COMMON-MODE VOLTAGE (V)
Short-Circuit Current
vs. Temperature
Short-Circuit Current
vs. Temperature
Short-Circuit Current
vs. Supply Voltage
90
85
80
75
70
65
60
-20
-25
-30
-35
-40
100
80
60
40
20
-40°C
VSUPPLY
= 5V
VSUPPLY
=
9V
+25°C
+85°C
SINKING
CURRENT
SOURCING
CURRENT
VSUPPLY
= 9V
VSUPPLY
=
5V
SOURCING
CURRENT
-40 -20
0
20 40 60 80 100
-40 -20
0
20 40 60 80 100
2
3
4
5
6
7
8
9
10
TEMPERATURE (°C)
TEMPERATURE (°C)
SUPPLY VOLTAGE ( V)
Short-Circuit Current
vs. Supply Voltage
Output Voltage
Output Voltage
vs. Output Current
vs. Output Current
-10
-15
-20
-25
-30
-35
10
9
8
7
6
5
4
3
2
1
0
0
-1
SINKING
CURRENT
VSUPPLY
=
9V
-40°C
-2
-3
+85°C
-4
-40°C
-5
+85°C
-6
+85°C
+25°C
VSUPPLY
-7
+25°C
-40°C
-8
SINKING
CURRENT
SOURCING
CURRENT
=
9V
-9
+25°C
-10
0
20
40
60
80
100
2
3
4
5
6
7
8
9
10
-35 -30 -25 -20 -15 -10 -5
OUTPUT CURRENT (mA)
0
OUTPUT CURRENT (mA)
SUPPLY VOLTAGE ( V)
August 2000
5
MIC913
MIC913
Micrel
Output Voltage
vs. Output Current
Gain Bandwidth and
Phase Margin vs. Load
Output Voltage
vs. Output Current
0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
200
160
120
80
50
SINKING
+85°C
VSUPPLY
= 5V
CURRENT
Phase
Margin
40
30
20
10
0
-40°C
-40°C
+25°C
+25°C
VSUPPLY
= 5V
+85°C
Gain
Bandwidth
40
SOURCING
CURRENT
VSUPPLY
= 5V
0
-30 -25 -20 -15 -10 -5
OUTPUT CURRENT (mA)
0
0
20
40
60
80
0
200 400 600 800 1000
CAPACITIVE LOAD (pF)
OUTPUT CURRENT (mA)
Gain Bandwidth and
Gain Bandwidth and
Common-Mode
Rejection Ratio
Phase Margin vs. Load
Phase Margin vs. Supply Voltage
200
160
120
80
50
225
200
175
150
125
100
20
15
10
5
120
100
80
60
40
20
0
Phase
Margin
40
30
20
10
0
Gain
Bandwidth
VSUPPLY
= 9V
Phase
Margin
VSUPPLY
= 5V
Gain
Bandwidth
40
0
0
-5
0
200 400 600 800 1000
CAPACITIVE LOAD (pF)
2
3
4
5
6
7
8
9
10
SUPPLY VOLTAGE ( V)
FREQUENCY (Hz)
Positive Power Supply
Rejection Ratio
Negative Power Supply
Rejection Ratio
Common-Mode
Rejection Ratio
100
80
60
40
20
0
100
80
60
40
20
0
120
100
80
60
40
20
0
VSUPPLY
=
5V
VSUPPLY = 5V
VSUPPLY
= 9V
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
Positive Power Supply
Rejection Ratio
Negative Power Supply
Rejection Ratio
Closed-Loop
Frequency Response
100
80
60
40
20
0
100
80
60
40
20
0
50
40
RL = 150Ω
GAIN = -1
30
20
9V
10
0
2.5V
-10
-20
-30
-40
-50
VSUPPLY
=
9V
VSUPPLY = 9V
5V
1
10
100
500
FREQUENCY (MHz)
FREQUENCY (Hz)
FREQUENCY (Hz)
MIC913
6
August 2000
MIC913
Micrel
Closed-Loop
Closed-Loop
Closed-Loop
Frequency Response
Frequency Response
Frequency Response
30
90
30
20
10
0
90
30
20
10
0
90
0
PHASE
PHASE
20
10
0
0
0
PHASE
GAIN
-90
-180
-270
-360
-90
-180
-270
-360
-90
GAIN
GAIN
VSUPPLY
V = 4
=
2.5V
VSUPPLY
V = 4
=
5V
VSUPPLY
AV = 4
=
9V
-180
-270
-360
A
A
-10
-20
-10
-20
-10
-20
1
10
100
400
1
10
100
400
1
10
100
400
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
Open-Loop
Open-Loop
Open-Loop
Frequency Response
Frequency Response
Frequency Response
50
40
200
50
40
50
40
150
100
50
100pF
50pF
100pF
50pF
PHASE
30
30
30
20
20
20
0pF
0pF
GAIN
10
0
10
10
1000pF
No Load
0
-50
0
1000pF
471pF
200pF
0
471pF
200pF
VSUPPLY
L = 1k
-10
-20
-30
-40
-50
-100
-150
-200
-250
-300
-10
-20
-30
-40
-50
-10
-20
-30
-40
-50
RL = 100Ω
VSUPPLY
L = 1k
=
5V
= 9V
VSUPPLY
=
5V
R
R
1
10
100
500
1
10
100
500
1
10
100
500
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
Open-Loop
Closed-Loop
Closed-Loop
Frequency Response
Frequency Response
Frequency Response
50
40
200
50
40
50
40
VSUPPLY
=
5V
VSUPPLY = 9V
150
100
50
RL = 470Ω
GAIN = -1
PHASE
RL = 470Ω
GAIN = -1
30
30
30
20
20
20
GAIN
10
0
10
10
No Load
0
-50
0
0
-10
-20
-30
-40
-50
-100
-150
-200
-250
-300
-10
-20
-30
-40
-50
-10
-20
-30
-40
-50
CL = 1000pF
CL = 1000pF
CL = 470pF
RL = 100Ω
CL = 470pF
CL = 100pF
CL = 100pF
VSUPPLY
=
9V
CL = 1.7pF
100 500
CL = 1.7pF
1
10
100
500
1
10
100 500
1
10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
Closed-Loop
Frequency Response
Test Circuit
VCC
Positive
Slew Rate
Negative
Slew Rate
400
300
200
100
0
400
300
200
100
0
10µF
VCC
=
5V
VCC = 5V
0.1µF
FET probe
MIC913
CL
RF
0
200 400 600 800 1000
LOAD CAPACITANCE (pF)
0
200 400 600 800 1000
LOAD CAPACITANCE (pF)
50Ω
10µF
VEE
August 2000
7
MIC913
MIC913
Micrel
Positive
Slew Rate
Negative
Slew Rate
600
500
400
300
200
100
0
600
500
400
300
200
100
0
VCC
=
9V
VCC = 9V
0
200 400 600 800 1000
LOAD CAPACITANCE (pF)
0
200 400 600 800 1000
LOAD CAPACITANCE (pF)
MIC913
8
August 2000
MIC913
Micrel
Functional Characteristics
Small-Signal
Small-Signal
Pulse Response
Pulse Response
VCC
AV = 2
CL = 1.7pF
R1 = R2 = 470Ω
= 5V
VCC
AV = 1
CL = 1.7pF
R1 = R2 = 470Ω
= 9V
Small-Signal
Small-Signal
Pulse Response
Pulse Response
VCC
AV = 2
CL = 100pF
R1 = R2 = 470Ω
= 5V
VCC
AV = 1
CL = 100pF
R1 = R2 = 470Ω
= 9V
Small-Signal
Small-Signal
Pulse Response
Pulse Response
VCC
AV = 1
CL = 1000pF
R1 = R2 = 470Ω
= 9V
VCC
AV = 1
CL = 1000pF
R1 = R2 = 470Ω
= 5V
August 2000
9
MIC913
MIC913
Micrel
Large-Signal
Large-Signal
Pulse Response
Pulse Response
VCC
AV = –1
CL = 1.7pF
= 5V
Large-Signal
Large-Signal
Pulse Response
Pulse Response
VCC
AV = –1
CL = 100pF
= 9V
Large-Signal
Large-Signal
Pulse Response
Pulse Response
VCC
AV = –1
CL = 1000pF
= 9V
MIC913
10
August 2000
MIC913
Micrel
Power Supply Bypassing
Applications Information
Regular supply bypassing techniques are recommended. A
10µF capacitor in parallel with a 0.1µF capacitor on both the
positive and negative supplies are ideal. For best perfor-
mance all bypassing capacitors should be located as close to
the op amp as possible and all capacitors should be low ESL
(equivalent series inductance), ESR (equivalent series resis-
tance). Surface-mount ceramic capacitors are ideal.
The MIC913 is a high-speed, voltage-feedback operational
amplifierfeaturingverylowsupplycurrent. TheMIC913isnot
unity-gain stable, it requires a minimum gain of +2 or –1 to
ensure stability. The device is however stable even when
driving high capacitance loads.
Driving High Capacitance
The MIC913 is stable when driving any capacitance (see
“Typical Characteristics: Gain Bandwidth and Phase Margin
vs. LoadCapacitance”)makingitidealfordrivinglongcoaxial
cables or other high-capacitance loads.
Thermal Considerations
The SOT-23-5 package, like all small packages, has a high
thermal resistance. It is important to ensure the IC does not
exceed the maximum operating junction (die) temperature of
85°C. The part can be operated up to the absolute maximum
temperature rating of 125°C, but between 85°C and 125°C
performance will degrade, in particular CMRR will reduce.
Phase margin remains constant as load capacitance is
increased. Most high-speed op amps are only able to drive
limited capacitance.
Note: increasing load capacitance does reduce the
speed of the device (see “Typical Characteris-
tics: Gain Bandwidth and Phase Margin vs.
Load”). In applications where the load capaci-
tance reduces the speed of the op amp to an
unacceptable level, the effect of the load capaci-
tance can be reduced by adding a small resistor
(<100Ω) in series with the output.
A MIC913 with no load, dissipates power equal to the quies-
cent supply current * supply voltage
P
= V −V
I
S
D(noload)
V+
V−
When a load is added, the additional power is dissipated in
the output stage of the op amp. The power dissipated in the
device is a function of supply voltage, output voltage and
output current.
Feedback Resistor Selection
Conventional op amp gain configurations and resistor selec-
tion apply, the MIC913 is NOT a current feedback device.
Resistor values in the range of 1k to 10k are recommended.
P
= V −V
I
(
)
D(output stage)
V+
OUT OUT
Total Power Dissipation = P
+P
D(output stage)
D(noload)
Layout Considerations
Ensure the total power dissipated in the device is no greater
than the thermal capacity of the package. The SOT23-5
package has a thermal resistance of 260°C/W.
All high speed devices require careful PCB layout. The high
stability and high PSRR of the MIC913 make this op amp
easier to use than most, but the following guidelines should
be observed: Capacitance, particularly on the two inputs pins
will degrade performance; avoid large copper traces to the
inputs. Keep the output signal away from the inputs and use
a ground plane.
TJ(max) −TA(max)
Max.AllowablePower Dissipation =
260W
It is important to ensure adequate supply bypassing capaci-
tors are located close to the device.
August 2000
11
MIC913
MIC913
Micrel
Package Information
1.90 (0.075) REF
0.95 (0.037) REF
1.75 (0.069) 3.00 (0.118)
1.50 (0.059) 2.60 (0.102)
DIMENSIONS:
MM (INCH)
1.30 (0.051)
0.90 (0.035)
3.02 (0.119)
2.80 (0.110)
0.20 (0.008)
0.09 (0.004)
10°
0°
0.15 (0.006)
0.00 (0.000)
0.50 (0.020)
0.35 (0.014)
0.60 (0.024)
0.10 (0.004)
SOT-23-5 (M5)
MICREL INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL + 1 (408) 944-0800 FAX + 1 (408) 944-0970 WEB http://www.micrel.com
This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or
other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc.
© 2000 Micrel Incorporated
MIC913
12
August 2000
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