145

125

105

85

65

45

25

5

-

55

-

15

5

25

125

Temperature( C)

°

-

35

45

65

OPA2188Zero-DriftArchitecture

PrecisionLaserTrimArchitecture

85

105

OPA2188

www.ti.com

SBOS525B – AUGUST 2011 – REVISED SEPTEMBER 2012

0.03-

μV/°C Drift, Low-Noise, Rail-to-Rail Output,

36-V, Zero-Drift OPERATIONAL AMPLIFIERS

Check for Samples: OPA2188

1

FEATURES

DESCRIPTION

The

OPA2188

operational

amplifier

uses

TI

2

•

Low Offset Voltage: 25

μV (max)

proprietary auto-zeroing techniques to provide low

•

Zero-Drift: 0.03

μV/°C

offset voltage (25

μV, max), and near zero-drift over

•

Low Noise: 8.8 nV/

√Hz

time and temperature. This miniature, high-precision,

low quiescent current amplifier offers high input

impedance and rail-to-rail output swing within 15 mV

•

Excellent DC Precision:

of the rails. The input common-mode range includes

PSRR: 142 dB

the negative rail. Either single or dual supplies can be

CMRR: 146 dB

used in the range of +4.0 V to +36 V (±2 V to ±18 V).

Open-Loop Gain: 136 dB

The OPA2188 is available in MSOP-8 and SO-8

•

Gain Bandwidth: 2 MHz

packages. The device is specified for operation from

•

Quiescent Current: 475

μA (max)

–40°C to +105°C.

•

Wide Supply Range: ±2 V to ±18 V

•

Rail-to-Rail Output:

Input Includes Negative Rail

•

RFI Filtered Inputs

•

MicroSIZE Packages

APPLICATIONS

•

Bridge Amplifiers

•

Strain Gauges

•

Test Equipment

•

Transducer Applications

•

Temperature Measurement

•

Electronic Scales

•

Medical Instrumentation

•

Resistance Temperature Detectors

•

Precision Active Filters

Zero-Drift Amplifier Portfolio

OFFSET VOLTAGE DRIFT

VERSION

PRODUCT

OFFSET VOLTAGE (µV)

(µV/°C)

BANDWIDTH (MHz)

OPA188 (4 V to 36 V)

25

0.085

2

OPA333 (5 V)

10

0.05

0.35

Single

OPA378 (5 V)

50

0.25

0.9

OPA735 (12 V)

5

0.05

1.6

OPA2188 (4 V to 36 V)

25

0.085

2

OPA2333 (5 V)

10

0.05

0.35

Dual

OPA2378 (5 V)

50

0.25

0.9

OPA2735 (12 V)

5

0.05

1.6

OPA4188 (4 V to 36 V)

25

0.085

2

Quad

OPA4330 (5 V)

50

0.25

0.35

1

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

2

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2011–2012, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.