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LMP90079

Texas Instruments
Part Number LMP90079
Manufacturer Texas Instruments
Description Sensor AFE
Published Nov 26, 2023
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMP90077, LMP90078, LMP90079, ...
Datasheet PDF File LMP90079 PDF File

LMP90079
LMP90079

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community LMP90077, LMP90078, LMP90079, LMP90080 SNAS521H – JULY 2011 – REVISED JANUARY 2016 LMP9007x/LMP90080 Sensor AFE System: Multi-Channel, Low-Power 16-Bit Sensor AFE With True Continuous Background Calibration 1 Features •1 16-Bit Low-Power Sigma Delta ADC • True Continuous Background Calibration at All Gains • In-Place System Calibration Using Expected Value Programming • Low-Noise Programmable Gain (1x - 128x) • Continuous Background Open/Short and Out of Range Sensor Diagnostics • 8 Output Data Rates (ODR) with Single-Cycle Settling • 2 Matched Excitation Current Sources from 100 µA to 1000 µA (LMP90080/LMP90078) • 4-DIFF / 7-SE Inputs (LMP90080/LMP90079) • 2-DIFF / 4-SE Inputs (LMP90078/LMP90077) • 7 General Purpose Input/Output Pins • Chopper-Stabilized Buffer for Low Offset • SPI 4/3-Wire with CRC Data Link Error Detection • 50 Hz to 60 Hz Line Rejection at ODR ≤13.
42 SPS • Independent Gain and ODR Selection per Channel • Supported by WEBENCH® Sensor AFE Designer • Automatic Channel Sequencer • Key Specifications – ENOB/NFR: Up to 16/16 Bits – Offset Error (typ): 8.
4 nV – Gain Error (typ): 7 ppm – Total Noise: <10 µV-rms – Integral Non-Linearity (INL Max): ±1 LSB – Output Data Rates (ODR): 1.
6775–214.
65 SPS – Analog Voltage, VA: 2.
85 to 5.
5 V – Operating Temp Range: –40°C to 125°C – Package: 28 Pin Exposed Pad 2 Applications • Temperature and Pressure Transmitters • Strain Gauge Interface • Industrial Process Control 3 Description The LLMP9007x and LMP90080 are highly integrated, multi-channel, low-power 16-bit Sensor AFEs.
The devices feature a precision, 16-bit Sigma Delta Analog-to-Digital Converter (ADC) with a lownoise programmable gain amplifier and a fully differential high impedance analog input multiplexer.
A true continuous background calibration feature allows calibration at all gains and output data rates without interrupting the signal path.
The background c...


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