OPA188 Datasheet, PDF (3/23 Pages) Texas Instruments – 0.03-uV/C Drift, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift OPERATIONAL AMPLIFIERS

www.ti.com
OPA188
OPA2188
OPA4188
SBOS525 – AUGUST 2011
ELECTRICAL CHARACTERISTICS: High-Voltage Operation
V_S = ±4 V to ±18 V (V_S = +8 V to +36 V)
Boldface limits apply over the specified temperature range, T_A = –40°C to +105°C.
At T_A = +25°C, R_L = 10 kΩ connected to V_S/2, and V_COM = V_OUT = V_S/2, unless otherwise noted.
OPA188, OPA2188, OPA4188
PARAMETER
CONDITIONS
MIN
TYP
MAX
OFFSET VOLTAGE
V_OS
dV_OS/dT
PSRR
Input offset voltage
vs Temperature
vs power supply
vs temperature
Long-term stability
V_S = 4 V to 36 V, V_CM = V_S/2
V_S = 4 V to 36 V, V_CM = V_S/2
6
0.03
0.075
See note⁽¹⁾
25
0.085
0.3
0.3
Channel separation, dc
1
INPUT BIAS CURRENT
Input bias current
I_B
over temperature
V_CM = V_S/2
–40°C to +105°C
±160
±850
±4
Input offset current
I_OS
over temperature
–40°C to +105°C
±320
±1700
±2
NOISE
e_n
Input voltage noise, f = 0.1 Hz to 10 Hz
0.25
e_n
Input voltage noise density, f = 1 kHz
8.8
i_n
Input current noise density, f = 1 kHz
7
INPUT VOLTAGE RANGE
V_CM
Common-mode voltage range
CMRR
Common-mode rejection ratio
over temperature
INPUT IMPEDANCE
(V–) < V_CM < (V+) – 1.5 V
(V–) + 0.5 V < V_CM < (V+) – 1.5 V,
V_S = ±18 V
(V–) + 0.5 V < V_CM < (V+) – 1.5 V,
V_S = ±18 V
V–
(V+) – 1.5
120
134
130
146
120
126
Differential
100/6
Common-mode
6/9.5
OPEN-LOOP GAIN
Open-loop voltage gain
A_OL
Open-loop voltage gain
FREQUENCY RESPONSE
(V–) + 500 mV < V_O < (V+) – 500 mV,
R_L = 10 kΩ
(V–) + 500 mV < V_O < (V+) – 500 mV,
R_L = 10 kΩ
130
136
120
126
GBW
Gain-bandwidth product
2
SR
Slew rate
G = +1
0.8
THD+N
Settling time, 0.1%
Settling time, 0.01%
Overload recovery time
Total harmonic distortion + noise
V_S = ±18 V, G = 1, 10-V step
V_S = ±18 V, G = 1, 10-V step
V_IN × G = V_S
1 kHz, G = 1, V_OUT = 1 Vrms
20
27
1
0.0001
UNIT
μV
μV/°C
μV/V
μV/V
μV
μV/V
pA
nA
pA
nA
μV_PP
nV/Hz
fA/Hz
V
dB
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—approximately 4 μV.
Copyright © 2011, Texas Instruments Incorporated
Submit Documentation Feedback
3
Product Folder Link(s): OPA188 OPA2188 OPA4188