1

2

3

4

8

7

6

5

V+

Out B

–In B

+In B

Out A

–In A

+In A

V–

A

B

D PACKAGE

(TOP VIEW)

OPA2227-EP

www.ti.com

SBOS594A – MARCH 2012 – REVISED NOVEMBER 2012

HIGH PRECISION, LOW NOISE OPERATIONAL AMPLIFIER

Check for Samples: OPA2227-EP

1

FEATURES

•

Low Noise: 3 nV/

√Hz

SUPPORTS DEFENSE, AEROSPACE,

AND MEDICAL APPLICATIONS

•

Wide Bandwidth: 8 MHz, 2.3 V/

μs

•

Controlled Baseline

•

Settling Time: 5

μs

•

One Assembly and Test Site

•

High CMRR: 138 dB (Typical)

•

One Fabrication Site

•

High Open-Loop Gain: 160 dB (Typical)

•

Available in Military (–55°C to 125°C)

•

Low Input Bias Current: 10 nA Maximum at

Temperature Range (1)

25°C

•

Extended Product Life Cycle

•

Low Offset Voltage: 100

μV Maximum at 25°C

•

Extended Product-Change Notification

•

Wide Supply Range: ±2.5 V to ±18 V

•

Product Traceability

APPLICATIONS

•

Data Acquisition

•

Telecom Equipment

•

Geophysical Analysis

•

Vibration Analysis

•

Spectral Analysis

•

Professional Audio Equipment

•

Active Filters

•

Power Supply Control

(1)

Additional temperature ranges available - contact factory

DESCRIPTION

The OPA2227 operational amplifier combines low noise and wide bandwidth with high precision to make it the

ideal choice for applications requiring both ac and precision dc performance.

The OPA2227 is unity-gain stable and features high slew rate (2.3 V/

μs) and wide bandwidth (8 MHz).

The OPA2227 operational amplifier is ideal for professional audio equipment. In addition, low quiescent current

and low cost make them ideal for portable applications requiring high precision.

The OPA2227 operational amplifier is a pin-for-pin replacement for the industry standard OP-27 with substantial

improvements across the board. The dual and quad versions are available for space savings and perchannel

cost reduction.

The OPA2227 is available in an SOIC-8 package. Operation is specified from –55°C to 125°C.

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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.

PRODUCTION DATA information is current as of publication date.

Copyright © 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.