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| OPA2180 Datasheet, PDF (3/25 Pages) Texas Instruments – 0.1-μV/°C Drift, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift OPERATIONAL AMPLIFIERS | |||
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OPA2180
OPA4180
www.ti.com
SBOS584B â NOVEMBER 2011 â REVISED DECEMBER 2011
ELECTRICAL CHARACTERISTICS: VS = ±2 V to ±18 V (VS = +4 V to +36 V)
At TA = +25°C, RL = 10 kΩ connected to VS/2, and VCOM = VOUT = VS/2, unless otherwise noted.
OPA2180, OPA4180
PARAMETER
CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
VOS
dVOS/dT
Input offset voltage
Input offset voltage drift
PSRR
Power-supply rejection ratio
Long-term stability
TA = â40°C to +105°C
VS = 4 V to 36 V, VCM = VS/2
TA = â40°C to +105°C,
VS = 4 V to 36 V, VCM = VS/2
15
0.1
0.1
See
note (1)
75
0.35
0.5
0.5
Channel separation, dc
1
INPUT BIAS CURRENT
IB
Input bias current
IOS
NOISE
Input offset current
VCM = VS/2
TA = â40°C to +105°C
TA = â40°C to +105°C
±0.25
±1
±5
±0.5
±2
±2.5
Input voltage noise
f = 0.1 Hz to 10 Hz
0.25
en
Input voltage noise density
f = 1 kHz
10
in
Input current noise density
f = 1 kHz
10
INPUT VOLTAGE RANGE
VCM
CMRR
Common-mode voltage range
Common-mode rejection ratio
INPUT IMPEDANCE
(Vâ) < VCM < (V+) â 1.5 V
TA = â40°C to +105°C,
(Vâ) + 0.5 V < VCM < (V+) â 1.5 V
Vâ
(V+) â 1.5
104
114
100
104
Differential
100/6
Common-mode
6/9.5
OPEN-LOOP GAIN
AOL
Open-loop voltage gain
FREQUENCY RESPONSE
(Vâ) + 500 mV < VO < (V+) â 500 mV, RL = 10 kΩ
TA = â40°C to +105°C,
(Vâ) + 500 mV < VO < (V+) â 500 mV, RL = 10 kΩ
110
120
104
114
GBW
Gain-bandwidth product
2
SR
Slew rate
G = +1
0.8
THD+N
Settling time
0.1%
0.01%
Overload recovery time
Total harmonic distortion + noise
VS = ±18 V, G = 1, 10-V step
VS = ±18 V, G = 1, 10-V step
VIN Ã G = VS
f = 1 kHz, G = 1, VOUT = 1 VRMS
22
30
1
0.0001
UNIT
μV
μV/°C
μV/V
μV/V
μV
μV/V
nA
nA
nA
nA
μVPP
nV/Hz
fA/Hz
V
dB
dB
MΩ/pF
1012 Ω/pF
dB
dB
MHz
V/μs
μs
μs
μs
%
(1) 1000-hour life test at +125°C demonstrated randomly distributed variation in the range of measurement limits, or approximately 4 μV.
Copyright © 2011, Texas Instruments Incorporated
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