145

125

105

85

65

45

25

5

-

55

-

15

5

25

125

Temperature( C)

°

-

35

45

65

OPA2188Zero-DriftArchitecture

PrecisionLaserTrimArchitecture

85

105

OPA188

OPA2188

OPA4188

www.ti.com

SBOS525

– AUGUST 2011

0.03-

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

36-V, Zero-Drift OPERATIONAL AMPLIFIERS

Check for Samples: OPA188, OPA2188, OPA4188

1

FEATURES

DESCRIPTION

The OPAx188 series operational amplifiers use 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.

These

miniature,

0.1-Hz to 10-Hz Noise: 0.25

high-precision, low quiescent current amplifiers offer

high input impedance and rail-to-rail output swing

•

Excellent DC Precision:

within 15 mV of the rails. The input common-mode

PSRR: 142 dB

range includes the negative rail. Either single or dual

CMRR: 146 dB

supplies can be used in the range of +4.0 V to +36 V

Open-Loop Gain: 136 dB

(

±2 V to ±18 V).

•

Gain Bandwidth: 2 MHz

The single version is available in the MicroSIZE

•

Quiescent Current: 475

μA (max)

SOT23-5, MSOP-8, and SO-8 packages; the dual is

•

Wide Supply Range:

±2 V to ±18 V

offered in MSOP-8 and SO-8 packages; the quad is

offered in SO-14 and TSSOP-14 packages. All

•

Rail-to-Rail Output:

versions are specified for operation from

–40°C to

Input Includes Negative Rail

+105

°C.

•

RFI Filtered Inputs

•

MicroSIZE Packages

APPLICATIONS

•

Bridge Amplifiers

•

Strain Gauges

•

Test Equipment

•

Transducer Applications

•

Temperature Measurement

•

Electronic Scales

•

Medical Instrumentation

•

Resister Thermal Detectors

•

Precision Active Filters

Zero-Drift Amplifier Portfolio

OFFSET VOLTAGE DRIFT

VERSION

PRODUCT

OFFSET VOLTAGE (

µV)

(

µV/°C)

BANDWIDTH (MHz)

Single

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

Quad

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.

UNLESS

OTHERWISE

NOTED

this

document

contains

Copyright

© 2011, Texas Instruments Incorporated

PRODUCTION DATA information current as of publication date.

Products conform to specifications per the terms of Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.