LM614

www.ti.com

SNOSC21C – MAY 1998 – REVISED MARCH 2013

LM614 Quad Operational Amplifier and Adjustable Reference

Check for Samples: LM614

1

FEATURES

DESCRIPTION

The

LM614

consists

of

four

op-amps

and

a

23

Op Amp

programmable voltage reference in a 16-pin package.

•

Low Operating Current: 450

μA

The op-amp out-performs most single-supply op-

•

Wide Supply Voltage Range: 4V to 36V

amps by providing higher speed and bandwidth along

with low supply current. This device was specifically

•

Wide Common-Mode Range:

− 1.8V)

designed to lower cost and board space requirements

•

Wide Differential Input Voltage:

±36V

in transducer, test, measurement and data acquisition

Reference

systems.

•

Adjustable Output Voltage:

1.2V to 5.0V

Combining a stable voltage reference with four wide

•

Initial Tolerance:

±2.0%

output swing op-amps makes the LM614 ideal for

single supply transducers, signal conditioning and

•

Wide Operating Current Range:

17

μA to

bridge driving where large common-mode-signals are

20mA

common. The voltage reference consists of a reliable

•

Tolerant of Load Capacitance

band-gap design that maintains low dynamic output

impedance (1

Ω typical), initial tolerance (2.0%), and

APPLICATIONS

the ability to be programmed from 1.2V to 5.0V via

two external resistors. The voltage reference is very

•

Transducer Bridge Driver and Signal

stable even when driving large capacitive loads, as

Processing

are commonly encountered in CMOS data acquisition

•

Process and Mass Flow Control Systems

systems.

•

Power Supply Voltage Monitor

As a member of TI's new Super-Block™ family, the

•

Buffered Voltage References for A/D's

LM614 is a space-saving monolithic alternative to a

multichip solution, offering a high level of integration

without sacrificing performance.

Connection Diagram

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

Super-Block is a trademark of dcl_owner.

3

All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 1998–2013, 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.