OPA2180
OPA4180
www.ti.com
SBOS584B –NOVEMBER 2011–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
OFFSET VOLTAGE
CONDITIONS
MIN
TYP
MAX
UNIT
VOS
Input offset voltage
15
0.1
0.1
75
0.35
0.5
μV
dVOS/dT
Input offset voltage drift
TA = –40°C to +105°C
μV/°C
μV/V
VS = 4 V to 36 V, VCM = VS/2
PSRR
Power-supply rejection ratio
TA = –40°C to +105°C,
VS = 4 V to 36 V, VCM = VS/2
0.5
μV/V
See
note(1)
Long-term stability
μV
Channel separation, dc
1
μV/V
INPUT BIAS CURRENT
VCM = VS/2
±0.25
±0.5
±1
±5
nA
nA
nA
nA
IB
Input bias current
TA = –40°C to +105°C
±2
IOS
Input offset current
TA = –40°C to +105°C
±2.5
NOISE
Input voltage noise
f = 0.1 Hz to 10 Hz
f = 1 kHz
0.25
10
μVPP
nV/Hz
fA/Hz
en
in
Input voltage noise density
Input current noise density
f = 1 kHz
10
INPUT VOLTAGE RANGE
VCM
Common-mode voltage range
V–
(V+) – 1.5
V
(V–) < VCM < (V+) – 1.5 V
104
114
104
dB
CMRR
Common-mode rejection ratio
TA = –40°C to +105°C,
(V–) + 0.5 V < VCM < (V+) – 1.5 V
100
dB
INPUT IMPEDANCE
Differential
Common-mode
OPEN-LOOP GAIN
100/6
6/9.5
MΩ/pF
1012 Ω/pF
(V–) + 500 mV < VO < (V+) – 500 mV, RL = 10 kΩ
110
104
120
114
dB
dB
AOL
Open-loop voltage gain
TA = –40°C to +105°C,
(V–) + 500 mV < VO < (V+) – 500 mV, RL = 10 kΩ
FREQUENCY RESPONSE
GBW
SR
Gain-bandwidth product
2
0.8
MHz
V/μs
μs
Slew rate
G = +1
0.1%
VS = ±18 V, G = 1, 10-V step
VS = ±18 V, G = 1, 10-V step
22
Settling time
0.01%
30
μs
Overload recovery time
VIN × G = VS
1
μs
THD+N
Total harmonic distortion + noise
f = 1 kHz, G = 1, VOUT = 1 VRMS
0.0001
%
(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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