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OPA191 Datasheet(PDF) 8 Page - Texas Instruments

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Part # OPA191
Description   Low Input Bias Current Op Amp
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA191 Datasheet(HTML) 8 Page - Texas Instruments

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OPA191, OPA2191, OPA4191
SBOS701A – DECEMEBER 2015 – REVISED APRIL 2016
www.ti.com
Product Folder Links: OPA191 OPA2191 OPA4191
Submit Documentation Feedback
Copyright © 2015–2016, Texas Instruments Incorporated
Electrical Characteristics: VS = ±4 V to ±18 V (VS = 8 V to 36 V) (continued)
at TA = 25°C, VCM = VOUT = VS / 2, and RL = 10 kΩ connected to VS / 2 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
FREQUENCY RESPONSE
GBW
Unity gain bandwidth
2.5
MHz
SR
Slew rate
VS = ±18 V, G = 1, 10-V step
Rising
7.5
V/µs
Falling
5.5
ts
Settling time
To 0.01%, CL = 20 pF
VS = ±18 V, G = 1, 2-V step
0.7
µs
VS = ±18 V, G = 1, 5-V step
1
To 0.001%, CL = 20 pF
VS = ±18 V, G = 1, 2-V step
1.8
VS = ±18 V, G = 1, 5-V step
3.7
tOR
Overload recovery time
VIN × G = VS
From overload to negative rail
0.4
µs
From overload to positive rail
1
THD+N
Total harmonic
distortion + noise
G = 1, f = 1 kHz, VO = 3.5 VRMS
0.0012%
Crosstalk
OPA2191 and OPA4191, at dc
150
dB
OPA2191 and OPA4191, f = 100 kHz
130
dB
OUTPUT
VO
Voltage output swing
from rail
Positive rail
No load
5
15
mV
RL = 10 kΩ
50
110
RL = 2 kΩ
200
500
Negative rail
No load
5
15
RL = 10 kΩ
50
110
RL = 2 kΩ
200
500
ISC
Short-circuit current
VS = ±18 V
±65
mA
CL
Capacitive load drive
See Typical Characteristics
ZO
Open-loop output
impedance
f = 1 MHz, IO = 0 A, See Figure 31
700
Ω
POWER SUPPLY
IQ
Quiescent current per
amplifier
IO = 0 A
140
200
µA
TA = –40°C to +125°C
250
TEMPERATURE
Thermal protection
180
°C
Thermal hysteresis
30
°C


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