SENSOR

+

-

+

-

ADC

PRESSURE

EMI HARDENED

EMI HARDENED

+

-

V

+

R1

R2

INTERFERING

RF SOURCES

NO RF RELATED

DISTURBANCES

LMV861, LMV862

www.ti.com

SNOSAZ5C – FEBRUARY 2008 – REVISED MARCH 2013

LMV861/LMV862 30 MHz Low Power CMOS, EMI Hardened Operational Amplifiers

Check for Samples: LMV861, LMV862

1

FEATURES

DESCRIPTION

TI’s LMV861 and LMV862 are CMOS input, low

2

power op amp IC's, providing a low input bias current,

a wide temperature range of

−40°C to +125°C and

•

Supply Voltage 2.7V to 5.5V

exceptional performance making them robust general

•

Supply Current (per Channel) 2.25 mA

purpose parts. Additionally, the LMV861 and LMV862

are EMI hardened to minimize any interference so

•

Input Offset Voltage 1 mV Max

they are ideal for EMI sensitive applications.

•

Input Bias Current 0.1 pA

The unity gain stable LMV861 and LMV862 feature

•

GBW 30 MHz

30 MHz of bandwidth while consuming only 2.25 mA

•

EMIRR at 1.8 GHz 105 dB

of current per channel. These parts also maintain

•

Input Noise Voltage at 1 kHz 8 nV/

√Hz

stability for capacitive loads as large as 200 pF. The

LMV861 and LMV862 provide superior performance

•

Slew Rate 18 V/µs

and economy in terms of power and space usage.

•

Output Voltage Swing Rail-to-Rail

This family of parts has a maximum input offset

•

Output Current Drive 67 mA

voltage of 1 mV, a rail-to-rail output stage and an

•

Operating Ambient Temperature Range

−40°C

input common-mode voltage range that includes

to 125°C

ground. Over an operating range from 2.7V to 5.5V

the LMV861 and LMV862 provide a PSRR of 93 dB,

APPLICATIONS

and a CMRR of 93 dB. The LMV861 is offered in the

space saving 5-Pin SC70 package, and the LMV862

•

Photodiode Preamp

in the 8-Pin VSSOP.

•

Weight Scale Systems

•

Filters/Buffers

•

Medical Diagnosis Equipment

Typical Application

Figure 1. EMI Hardened Sensor Application

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

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PRODUCTION DATA information is current as of publication date.

Copyright © 2008–2013, 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.