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OP191GS 数据表(PDF) 4 Page - Analog Devices

部件名 OP191GS
功能描述  Micropower Single-Supply Rail-to-Rail Input/Output Op Amps
PDF  20 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

OP191GS 数据表(HTML) 4 Page - Analog Devices

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OP191/OP291/OP491
–4–
ELECTRICAL SPECIFICATIONS (@ VO= ±5.0 V, –4.9 V ≤ VCM ≤ +4.9 V, TA= +25°C unless otherwise noted)
Parameter
Symbol
Conditions
Min
Typ
Max
Units
INPUT CHARACTERISTICS
Offset Voltage
OP191
VOS
80
500
µV
–40
≤ T
A ≤ +125°C1
mV
OP291/OP491
VOS
80
700
µV
–40
≤ T
A
≤ +125°C
1.25
mV
Input Bias Current
IB
30
50
nA
–40
≤ T
A
≤ +125°C70
nA
Input Offset Current
IOS
0.1
8
nA
–40
≤ T
A ≤ +125°C16
nA
Input Voltage Range
–5
+5
V
Common-Mode Rejection
CMR
VCM =
±5 V
75
100
dB
–40
≤ T
A ≤ +125°C67
97
dB
Large Signal Voltage Gain
AVO
RL = 10 k
Ω, V
O =
±4.7 V,
25
70
–40
≤ T
A
≤ +125°C
50
V/mV
Offset Voltage Drift
∆V
OS/∆T
1.1
µV/°C
Bias Current Drift
∆I
B/
∆T
100
pA/
°C
Offset Current Drift
∆I
OS/
∆T
20
pA/
°C
OUTPUT CHARACTERISTICS
Output Voltage Swing
VO
RL = 100 k
Ω to GND
±4.93
±4.99
V
–40
°C to +125°C
±4.90
±4.98
V
RL = 2 k
Ω to GND
±4.80
±4.95
V
–40
≤ T
A
≤ +125°C
±4.65
±4.75
V
Short Circuit Limit
ISC
Sink/Source
±8.75
±16
mA
–40
°C to +125°C
±6
±13
mA
Open Loop Impedance
ZOUT
f = 1 MHz, AV = 1
200
Ω
POWER SUPPLY
Power Supply Rejection Ratio
PSRR
VS = ± 5 V
80
110
dB
–40
≤ T
A
≤ +125°C
70
100
dB
Supply Current/Amplifier
ISY
VO = 0 V
260
420
µA
–40
≤ T
A ≤ +125°C
390
550
µA
DYNAMIC PERFORMANCE
Slew Rate
±SR
RL =10 kΩ
0.5
V/
µs
Full-Power Bandwidth
BWP
1% Distortion
1.2
kHz
Settling Time
tS
To 0.01%
22
µs
Gain Bandwidth Product
GBP
3
MHz
Phase Margin
θ
O
45
Degrees
Channel Separation
CS
f = 1 kHz
145
dB
NOISE PERFORMANCE
Voltage Noise
en p-p
0.1 Hz to 10 Hz
2
µV p-p
Voltage Noise Density
en
f = 1 kHz
35
nV/
√Hz
Current Noise Density
in
0.8
pA/
√Hz
Specifications subject to change without notice.
REV. 0
10
100
0%
90
5V
VS = ±5V
RL = 2kΩ
AV = +1
VIN = 20Vp-p
200µs
5V
INPUT
OUTPUT
Figure 1. Input and Output with Inputs Overdriven by 5 V



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