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Design

OPA180, OPA2180, OPA4180

SBOS584D – NOVEMBER 2011 – REVISED MAY 2014

OPAx180 0.1-

μV/°C Drift, Low-Noise, Rail-to-Rail Output, 36-V,

Zero-Drift Operational Amplifiers

1 Features

3 Description

The OPA180, OPA2180, and OPA4180 operational

1

•

Low Offset Voltage: 75

μV (max)

amplifiers use zero-drift techniques to simultaneously

•

Zero-Drift: 0.1

μV/°C

provide low offset voltage (75

μV), and near zero-drift

•

Low Noise: 10 nV/

√Hz

over time and temperature. These miniature, high-

precision, low quiescent current amplifiers offer high

•

Very Low 1 / f Noise

input impedance and rail-to-rail output swing within

•

Excellent DC Precision:

18 mV of the rails. The input common-mode range

–

PSRR: 126 dB

includes the negative rail. Either single or dual

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

–

CMRR: 114 dB

(±2 V to ±18 V).

–

The dual version is offered in VSSOP-8 and SOIC-8

•

Quiescent Current: 525

μA (max)

packages. The quad is offered in SOIC-14 and

•

Wide Supply Range: ±2 V to ±18 V

TSSOP-14 packages. All versions are specified for

•

Rail-to-Rail Output:

operation from –40°C to 105°C.

Input Includes Negative Rail

Device Information(1)

•

Low Bias Current: 250 pA (typ)

DEVICE NAME

PACKAGE

BODY SIZE (NOM)

•

RFI Filtered Inputs

SOT23 (5)

1.60 mm × 2.90 mm

•

MicroSIZE Packages

OPA180

VSSOP, MSOP (8)

3.00 mm × 3.00 mm

SOIC (8)

4.90 mm × 3.91 mm

2 Applications

VSSOP, MSOP (8)

3.00 mm × 3.00 mm

•

Bridge Amplifiers

OPA2180

SOIC (8)

4.90 mm × 3.91 mm

•

Strain Gauges

TSSOP (14)

5.00 mm × 4.40 mm

•

Test Equipment

OPA4180

SOIC (14)

8.65 mm × 3.91 mm

•

Transducer Applications

(1) For all available packages, see the orderable addendum at

•

Temperature Measurement

the end of the datasheet.

•

Electronic Scales

space

•

Medical Instrumentation

space

•

Resister Thermal Detectors

space

•

Precision Active Filters

Low Noise

(Peak-to-Peak Noise = 250 nV)

1

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.