BurrBrown Products

from Texas Instruments

1

FEATURES

DESCRIPTION

APPLICATIONS

Time(1s/div)

Time(1s/div)

0.1HzTO10HzNOISE

1

Frequency(Hz)

10

100

1k

10k

30k

100

10

0

Frequency(Hz)

VoltageNoise

INPUTCURRENTANDVOLTAGENOISE

SPECTRALDENSITYvsFREQUENCY

OPA378

OPA2378

SBOS417 – JANUARY 2008

Low Noise, 900kHz, 50

µV, Rail-to-Rail Input/Output

Precision OPERATIONAL AMPLIFIER

Zerø-Drift Series

23

• LOW NOISE 0.1Hz to 10Hz: 0.4µV

PP

• LOW OFFSET VOLTAGE: 15µV (typ)

The

OPA378

and

OPA2378

represent

a

new

generation

of

micropower

operational

amplifiers.

• QUIESCENT CURRENT: 100µA (typ)

Rail-to-rail input, low input offset voltage (50

µV max),

• OFFSET DRIFT: 0.1µV/°C (typ)

low quiescent current (125

µA max), and 900kHz

• SINGLE-SUPPLY OPERATION

bandwidth

make

this

part

very

attractive

for

low-power precision applications. In addition, this part

• SUPPLY VOLTAGE: 1.8V to 5.5V

has excellent PSRR, making it an outstanding choice

• microSIZE PACKAGES: SC70 and SOT23

for applications that run directly from batteries without

regulation.

The OPA378 (single version) is available in a

• BATTERY-POWERED INSTRUMENTS

microSIZE SC70-5 and SOT23-5. The OPA2378

• TEMPERATURE MEASUREMENT

(dual version) is offered in s SOT23-8 package. All

• MEDICAL INSTRUMENTATION

versions are specified for operation from –40

°C to

+125

°C.

• HANDHELD TEST EQUIPMENT

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

I2C is a trademark of NXP Semiconductors.

3

All other trademarks are the property of their respective owners.

PRODUCT PREVIEW information concerns products in the

Copyright © 2008, Texas Instruments Incorporated

formative or design phase of development. Characteristic data and

other specifications are design goals. Texas Instruments reserves

the right to change or discontinue these products without notice.