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OPA188AIDBVR

Precision, Low-Noise, Rail-to-Rail Output, 36V Zero-Drift Operational Amplifier

Manufacturer:

TI
Mfr.Part #:

OPA188AIDBVR
Datasheet:

OPA188AIDBVR Datasheet (PDF)
Number of channels:

1
Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V):

36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V):

4
Vos (offset voltage at 25°C) (max) (mV):

0.025
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OPA188AIDBVR General Description

The OPA188 operational amplifier uses TIs proprietary auto-zeroing techniques to provide low offset voltage (25-µV maximum) and near zero-drift over time and temperature. This miniature, high-precision, low-quiescent current amplifier offers high input impedance and rail-to-rail output swing within 15 mV of the rails. The input common-mode range includes the negative rail. Either single or dual supplies can be used in the range from 4 V to 36 V (±2 V to ±18 V).

The single version is available in the MicroSIZE SOT-23-5, MSOP-8, and SO-8 packages. All versions are specified for operation from –40°C to +125°C.

Key Features

Low offset voltage: 25 µV (maximum)
Zero drift: 0.03 µV/°C
Low noise: 8.8 nV/√Hz
- 0.1-Hz to 10-Hz Noise: 0.25 µV_PP
Excellent dc precision:
- PSRR: 142 dB
- CMRR: 146 dB
- Open-loop gain: 136 dB
Gain bandwidth: 2 MHz
Quiescent current: 510 µA (Maximum)
Wide supply range: ±2 V to ±18 V
Rail-to-rail output
Input includes negative rail
RFI filtered inputs
MicroSIZE packages

Specifications

Number of channels	1	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	4	Vos (offset voltage at 25°C) (max) (mV)	0.025
GBW (typ) (MHz)	2	Features	EMI Hardened, Zero Drift
Slew rate (typ) (V/µs)	0.8	Rail-to-rail	In to V-, Out
Offset drift (typ) (µV/°C)	0.03	Iq per channel (typ) (mA)	0.425
Vn at 1 kHz (typ) (nV√Hz)	8.8	CMRR (typ) (dB)	146
Rating	Catalog	Operating temperature range (°C)	-40 to 125
Input bias current (max) (pA)	1400	Iout (typ) (A)	0.018
Architecture	CMOS	Input common mode headroom (to negative supply) (typ) (V)	0
Input common mode headroom (to positive supply) (typ) (V)	-1.5	Output swing headroom (to negative supply) (typ) (V)	0.22
Output swing headroom (to positive supply) (typ) (V)	-0.22	THD + N at 1 kHz (typ) (%)	0.0001