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| OPA197_16 Datasheet, PDF (9/39 Pages) Texas Instruments – 36-V, Precision, Rail-to-Rail Input/Output, Low Offset Voltage Operational Amplifiers | |||
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www.ti.com
OPA197, OPA2197, OPA4197
SBOS737A â JANUARY 2016 â REVISED JULY 2016
6.8 Electrical Characteristics: VS = ±2.25 V to ±4 V (VS = 4.5 V to 8 V)
at TA = 25°C, VCM = VOUT = VS / 2, and RLOAD = 10 kΩ connected to VS / 2 (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
OFFSET VOLTAGE
±5
±250
VS = ±2.25 V, VCM = (V+) â 3 V
TA = 0°C to 85°C
TA = â40°C to +125°C
VOS
Input offset voltage
(V+) â 3.5 V < VCM < (V+) â 1.5 V
±8
±350
µV
±10
±400
See Common-Mode Voltage Range section
±10
±250
dVOS/dT
PSRR
Input offset voltage drift
Power-supply rejection
ratio
VS = ±3 V, VCM = (V+) â 1.5 V
VS = ±2.25 V, VCM = (V+) â 3 V
VS = ±2.25 V, VCM = (V+) â 1.5 V
TA = 0°C to 85°C
TA = â40°C to +125°C
TA = â40°C to +125°C
TA = â40°C to +125°C, VCM = VS / 2 â 0.75 V
±25
±350
µV
±50
±500
±0.5
±2.5
µV/°C
±0.8
±4.5
±2
µV/V
INPUT BIAS CURRENT
IB
IOS
NOISE
Input bias current
Input offset current
TA = â40°C to +125°C
TA = â40°C to +125°C
±5
±20
pA
±5
nA
±2
±20
pA
±2
nA
En
Input voltage noise
(Vâ) â 0.1 V < VCM < (V+) â 3 V, f = 0.1 Hz to 10 Hz
(V+) â 1.5 V < VCM < (V+) + 0.1 V, f = 0.1 Hz to 10 Hz
f = 100 Hz
en
Input voltage noise
density
(Vâ) â 0.1 V < VCM < (V+) â 3 V
f = 1 kHz
f = 100 Hz
(V+) â 1.5 V < VCM < (V+) + 0.1 V f = 1 kHz
1.30
4
µVPP
10.5
5.5
nV/âHz
32
12.5
in
Input current noise
density
f = 1 kHz
1.5
fA/âHz
INPUT VOLTAGE
VCM
Common-mode voltage
range
(Vâ) â 0.1
(V+) + 0.1
V
CMRR
Common-mode
rejection ratio
INPUT IMPEDANCE
VS = ±2.25 V,
(Vâ) â 0.1 V < VCM < (V+) â 3 V
VS = ±2.25 V,
(V+) â 1.5 V < VCM < (V+)
VS = ±2.25 V,
(V+) â 3 V < VCM < (V+) â 1.5 V
TA = â40°C to +125°C
TA = â40°C to +125°C
90
110
88
104
dB
94
120
77
100
See Typical Characteristics
ZID
Differential
ZIC
Common-mode
100 || 1.6
1 || 6.4
MΩ || pF
1013Ω || pF
OPEN-LOOP GAIN
VS = ±2.25 V,
104
126
AOL
Open-loop voltage gain
(Vâ) + 0.6 V < VO < (V+) â 0.6 V,
RLOAD = 2 kΩ
VS = ±2.25 V,
TA = â40°C to +125°C
100
114
104
134
dB
(Vâ) + 0.3 V < VO < (V+) â 0.3 V,
RLOAD = 10 kΩ
TA = â40°C to +125°C
100
120
Copyright © 2016, Texas Instruments Incorporated
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Product Folder Links: OPA197 OPA2197 OPA4197
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