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LMP91051 - Configurable AFE

Datasheet Summary

Description

The LMP91051 is a dual channel programmable integrated Sensor Analog Front End (AFE) optimized for thermopile sensors, as typically used in NDIR applications.

Features

  • 1.
  • 2 Dual Channel Input.
  • Programmable Gain Amplifier.
  • “Dark Signal” Offset Cancellation.
  • Supports External Filtering.
  • Common Mode Generator and 8 Bit DAC.
  • Package 14 Pin TSSOP.

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Datasheet preview – LMP91051

Datasheet Details

Part number LMP91051
Manufacturer Texas Instruments
File Size 1.16 MB
Description Configurable AFE
Datasheet download datasheet LMP91051 Datasheet
Additional preview pages of the LMP91051 datasheet.

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Full PDF Text Transcription

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LMP91051 www.ti.com SNAS581B – MARCH 2012 – REVISED MAY 2013 LMP91051 Configurable AFE for Nondispersive Infrared (NDIR) Sensing Applications Check for Samples: LMP91051 FEATURES 1 •2 Dual Channel Input • Programmable Gain Amplifier • “Dark Signal” Offset Cancellation • Supports External Filtering • Common Mode Generator and 8 Bit DAC • Package 14 Pin TSSOP APPLICATIONS • NDIR Sensing • Demand Control Ventilation • Building Monitoring • CO2 Cabin Control — Automotive • Alcohol Detection — Automotive • Industrial Safety and Security • GHG & Freons Detection Platforms KEY SPECIFICATIONS • Programmable Gain … 167V/V to 7986V/V • Low Noise (0.1 to 10 Hz) … 0.1µVRMS • Gain Drift … 20 ppm/°C (typ) • Phase Delay Drift … 300 ns (typ) • Power supply voltage range … 2.7V to 5.
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