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OPA2188 Datasheet(PDF) 3 Page - Texas Instruments

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Part # OPA2188
Description  0.03-uV/C Drift, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift OPERATIONAL AMPLIFIERS
PDF  23 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA2188 Datasheet(HTML) 3 Page - Texas Instruments

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OPA188
OPA2188
OPA4188
www.ti.com
SBOS525
– AUGUST 2011
ELECTRICAL CHARACTERISTICS: High-Voltage Operation
VS = ±4 V to ±18 V (VS = +8 V to +36 V)
Boldface limits apply over the specified temperature range, TA = –40°C to +105°C.
At TA = +25°C, RL = 10 kΩ connected to VS/2, and VCOM = VOUT = VS/2, unless otherwise noted.
OPA188, OPA2188, OPA4188
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
OFFSET VOLTAGE
VOS
Input offset voltage
6
25
μV
dVOS/dT
vs Temperature
0.03
0.085
μV/°C
vs power supply
VS = 4 V to 36 V, VCM = VS/2
0.075
0.3
μV/V
PSRR
vs temperature
VS = 4 V to 36 V, VCM = VS/2
0.3
μV/V
Long-term stability
See note(1)
μV
Channel separation, dc
1
μV/V
INPUT BIAS CURRENT
Input bias current
VCM = VS/2
±160
±850
pA
IB
over temperature
–40°C to +105°C
±4
nA
Input offset current
±320
±1700
pA
IOS
over temperature
–40°C to +105°C
±2
nA
NOISE
en
Input voltage noise, f = 0.1 Hz to 10 Hz
0.25
μVPP
en
Input voltage noise density, f = 1 kHz
8.8
nV/Hz
in
Input current noise density, f = 1 kHz
7
fA/Hz
INPUT VOLTAGE RANGE
VCM
Common-mode voltage range
V
–
(V+)
– 1.5
V
(V
–) < VCM < (V+) – 1.5 V
120
134
dB
Common-mode rejection ratio
(V
–) + 0.5 V < VCM < (V+) – 1.5 V,
130
146
dB
CMRR
VS = ±18 V
(V
–) + 0.5 V < VCM < (V+) – 1.5 V,
over temperature
120
126
dB
VS = ±18 V
INPUT IMPEDANCE
Differential
100/6
M
Ω/pF
Common-mode
6/9.5
1012
Ω/pF
OPEN-LOOP GAIN
(V
–) + 500 mV < VO < (V+) – 500 mV,
Open-loop voltage gain
130
136
dB
RL = 10 kΩ
AOL
(V
–) + 500 mV < VO < (V+) – 500 mV,
Open-loop voltage gain
120
126
dB
RL = 10 kΩ
FREQUENCY RESPONSE
GBW
Gain-bandwidth product
2
MHz
SR
Slew rate
G = +1
0.8
V/
μs
Settling time, 0.1%
VS = ±18 V, G = 1, 10-V step
20
μs
Settling time, 0.01%
VS = ±18 V, G = 1, 10-V step
27
μs
Overload recovery time
VIN × G = VS
1
μs
THD+N
Total harmonic distortion + noise
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—approximately 4 μV.
Copyright
© 2011, Texas Instruments Incorporated
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Product Folder Link(s): OPA188 OPA2188 OPA4188



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