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See Technical Specifications

MAX1457 +BOM

0.1%-AccurateSignalConditionerforPiezoresistiveSensorCompensation

Manufacturer:

MAXIM
Mfr.Part #:

MAX1457
Datasheet:

MAX1457 Datasheet (PDF)
Package/Case:

QFP
EDA/CAD Models:

Request Free CAD Models for MAX1457

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Tel: +852 95804164

MAX1457 General Description

General DescriptionThe MAX1457 is a highly integrated analog-sensor signal processor optimized for piezoresistive sensor calibration and compensation. It includes a programmable current source for sensor excitation, a 3-bit programmable-gain amplifier (PGA), a 12-bit ADC, five 16-bit DACs, and an uncommitted op amp. Achieving a total error factor within 0.1% of the sensor’s repeatability errors, the MAX1457 compensates offset, full-span output (FSO), offset TC, FSO TC, and full-span output nonlinearity of silicon piezoresistive sensors.Features♦ High Accuracy (within ±0.1% of sensor’s repeatable errors)♦ Compensates Offset, Offset TC, FSO, FSO TC, Temperature/Pressure Nonlinearity♦ Rail-to-Rail® Analog Output for Calibrated, Temperature-Compensated Pressure Measurements♦ Programmable Sensor Excitation Current♦ SPI/MicroWire-Compatible Serial Interface♦ Fast Signal-Path Settling Time (<1ms)♦ Accepts Sensor Outputs from 5mV/V to 30mV/V♦ Pin-Compatible with MCA7707