1

2

3

5

4

V+

-IN

OUT

V-

+IN

OPA333

SOT23-5

1

2

3

5

4

V+

OUT

+IN

V-

-IN

OPA333

SC70-5

1

2

3

4

8

7

6

5

V+

OUT B

-IN B

+IN B

OUT A

-IN A

+IN A

V-

Exposed

Thermal

Die Pad

on

Underside

OPA2333

DFN-8 (SON-8)

1 s/div

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Folder

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Reference

Design

OPA333, OPA2333

SBOS351E – MARCH 2006 – REVISED DECEMBER 2015

OPAx333 1.8-V, microPower, CMOS Operational Amplifiers, Zero-Drift Series

1 Features

3 Description

The OPAx333 series of CMOS operational amplifiers

1

•

Low Offset Voltage: 10

μV (Maximum)

use

a

proprietary

auto-calibration

technique

to

•

Zero Drift: 0.05

μV/°C (Maximum)

simultaneously

provide

very

low

offset

voltage

•

0.01-Hz to 10-Hz Noise: 1.1

(10

μV, maximum) and near-zero drift over time and

temperature. These miniature, high-precision, low

•

Quiescent Current: 17

μA

quiescent current amplifiers offer high-impedance

•

Single-Supply Operation

inputs that have a common-mode range 100 mV

•

Supply Voltage: 1.8 V to 5.5 V

beyond the rails, and rail-to-rail output that swings

within 50 mV of the rails. Single or dual supplies as

•

Rail-to-Rail Input/Output

low as 1.8 V (±0.9 V) and up to 5.5 V (±2.75 V) can

•

microSize Packages: SC70 and SOT23

be used. These devices are optimized for low-

voltage, single-supply operation.

2 Applications

The OPAx333 family offers excellent CMRR without

•

Transducers

the

crossover

associated

with

traditional

•

Temperature Measurements

complementary input stages. This design results in

•

Electronic Scales

superior performance for driving analog-to-digital

converters (ADCs) without degradation of differential

•

Medical Instrumentation

linearity.

•

Battery-Powered Instruments

The OPA333 (single version) is available in the 5-pin

•

Handheld Test Equipment

SOT-23, SOT, and 8-pin SOIC packages, while the

OPA2333 (dual version) is available in the 8-pin

VSON, SOIC, and VSSOP packages. All versions are

specified for operation from –40°C to 125°C.

Device Information(1)

PART NUMBER

PACKAGE

BODY SIZE (NOM)

SOT-23 (5)

2.90 mm × 1.60 mm

OPA333

SOT (5)

2.00 mm x 1.25 mm

SOIC (8)

4.90 mm × 3.90 mm

VSON (8)

3.00 mm × 3.00 mm

OPA2333

SOIC (8)

4.90 mm × 3.90 mm

VSSOP (8)

3.00 mm × 3.00 mm

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

the end of the data sheet.

0.1-Hz to 10-Hz Noise

OPAx333 Pinout Diagrams

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.