LMP8358

www.ti.com

SNOSB09B – APRIL 2010 – REVISED MARCH 2013

LMP8358 Zero-Drift, Programmable Instrumentation Amplifier with Diagnostics

Check for Samples: LMP8358

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FEATURES

DESCRIPTION

The LMP8358 is a precision programmable-gain

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instrumentation amplifier in TI's LMP™ precision

25°C

amplifier family. Its gain can be programmed to 10,

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Supply Voltage 2.7V to 5.5V

20, 50, 100, 200, 500, or 1000 through an SPI-

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Supply Current 1.8 mA

compatible serial interface or through a parallel

interface. Alternatively, its gain can be set to an

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Max Gain Error 0.15%

arbitrary value using two external resistors. The

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Max Gain Drift 16 ppm/°C

LMP8358 uses patented techniques to measure and

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Min CMRR 110 dB

continuously

correct

its

input

offset

voltage,

eliminating offset drift over time and temperature and

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Max Offset Voltage 10 µV

the effect of 1/f noise. Its ground-sensing CMOS input

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Max Offset Voltage Drift 50 nV/°C

features a high CMRR and low input bias currents. It

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GBW (Gain = 10) 8 MHz

is capable of sensing differential input voltages in a

common-mode range that extends from 100mV below

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Max Non-Linearity 100 ppm

the negative supply to 1.4V below the positive supply,

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Operating Temperature Range

−40°C to 125°C

making it an ideal solution for interfacing with ground-

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Input Fault Detection

referenced

sensors,

supply-referenced

sensor

bridges, and any other application requiring precision

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SPI or Pin Configurable Modes

and long-term stability. Additionally, the LMP8358

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EMIRR at 1.8GHz 92 dB

includes fault detection circuitry to detect open and

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14-Pin SOIC and 14-Pin TSSOP Package

shorted inputs and deteriorating connections to the

signal source. Other features that make the LMP8358

APPLICATIONS

a versatile solution for many applications are its rail-

to-rail output, low input voltage noise and high gain-

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Bridge Sensor Amplifier

bandwidth product.

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Thermopile Amplifier

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Portable Instrumentation

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Medical Instrumentation

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Precision Low-side Current Sensing

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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.

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LMP is a trademark of Texas Instruments.

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All other trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Copyright © 2010–2013, 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.