-50

-25

1000

900

800

700

600

500

400

300

200

100

0

Temperature( C)

°

150

50

100

0

25

75

125

INPUTBIASCURRENTvsTEMPERATURE

OPA377

C

F

R

F

V

OUT

V

B

V

S

PhotodiodePreamplifier

OPA377

OPA2377

OPA4377

www.ti.com

SBOS504B

– FEBRUARY 2010 – REVISED JANUARY 2011

5MHz, Low-Noise,

Single, Dual, Quad CMOS Operational Amplifiers

Check for Samples: OPA377, OPA2377, OPA4377

1

FEATURES

DESCRIPTION

2

•

GAIN BANDWIDTH PRODUCT: 5.5MHz

The OPA377 family of operational amplifiers are

wide-bandwidth CMOS amplifiers that provide very

•

LOW NOISE: 7.5nV/

√Hz at 1kHz

low noise, low input bias current, and low offset

•

OFFSET VOLTAGE: 1mV (max)

voltage while operating on a low quiescent current of

•

INPUT BIAS CURRENT: 0.2pA

0.76mA (typ).

•

RAIL-TO-RAIL OUTPUT

The OPA377 op amps are optimized for low-voltage,

•

UNITY-GAIN STABLE

single-supply

applications.

The

exceptional

combination of ac and dc performance make them

•

EMI INPUT FILTERING

ideal for a wide range of applications, including small

•

QUIESCENT CURRENT: 0.76mA/ch

signal conditioning, audio, and active filters. In

•

SUPPLY VOLTAGE: 2.2V to 5.5V

addition, these parts have a wide supply range with

•

SMALL PACKAGES:

excellent

PSRR,

making

them

attractive

for

applications that run directly from batteries without

SC70, SOT23, and MSOP

regulation.

APPLICATIONS

The OPA377 is available in the SC70-5, SOT23-5,

•

PHOTODIODE PREAMP

and SO-8 packages. The dual OPA2377 is offered in

the SO-8 and MSOP-8, and the quad OPA4377 in the

•

PIEZOELECTRIC SENSOR PREAMP

TSSOP-14 packages. All versions are specified for

•

SENSOR SIGNAL CONDITIONING

operation from

–40°C to +125°C.

•

AUDIO EQUIPMENT

•

ACTIVE FILTERS

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.

© 2010–2011, 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.