NC

NC

V-

+IN

-IN

V+

NC

+

-

LMP8671, LMP8672, LMP8674

www.ti.com

SNOSB39B – JULY 2011 – REVISED MARCH 2013

Single, Dual, and Quad 40V Low Noise Precision Amplifiers

Check for Samples: LMP8671, LMP8672, LMP8674

1

FEATURES

DESCRIPTION

The LMP8671/2/4 combines great precision, low

2

•

Output Short Circuit Protection

noise and a large operating voltage range to provide

•

PSRR and CMRR Exceed 110dB

a high SNR and a wide dynamic range. Its AC

•

Best in Class Linearity (135dB)

performance allows it to be used over a wide

frequency without degradation. It is the ideal choice

for applications requiring DC precision and low noise

APPLICATIONS

such as precision PLL filters, multi feedback and multi

•

Low Noise Industrial Applications Including

pole active filters, GPS receivers and precision

Test, Measurement, and Ultrasound

control loop systems. The LMP8671/2/4 offers an

•

Precision Active Filters

extremely high open loop gain of 135dB, low voltage

noise density (2.5nV/

√Hz), and a superb linearity of

•

PLL Filters

0.000009%. These characteristics drastically reduce

•

4-20mA Current Loops

gain error which is a challenge in accurate systems

•

Motor Control

requiring higher gains such as data acquisition

systems.

KEY SPECIFICATIONS

To ensure that the most challenging loads are driven

•

Input Offset Voltage 0.4mV

without compromise, the LMP8671/2/4 has a high

slew rate of ±20V/

μs and an output current capability

•

of ±26mA.

•

Power Supply Voltage Range ±2.5V to ±20V

The LMP8671/2 family of high-voltage amplifiers are

•

Voltage Noise Density 2.5nV/

√Hz

available in SOIC-8, the LMP8674 in SOIC-14.

•

Slew Rate ±20V/

μs

•

Gain Bandwidth Product 55MHz

•

Open Loop Gain 135dB

•

Input Bias Current 10nA

Connection Diagrams

Figure 1. See Package Number — D0008A

Figure 2. See Package Number — D0008A

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.

Copyright © 2011–2013, 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.