MAX1457
MAX1457 Description
0.1% Accurate Signal Conditioner for Piezoresistive Sensor Compensation
MAX1457 Vendor
Maxim
MAX1457 Categories
MAX1457 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 (Accepts Sensor Outputs from 5mV/V to 30mV/V
  • Pin-Compatible with MCA7707
  • MAX1457 Datasheet and Application Notes
    ParameterValue
    PGA3-bit
    Calibration MethodInternal DACs updated from external EEPROM
    Accuracy (% FSO)0.1
    Output TypeAnalog
    Supply Voltage (V)4.5 to 5.5
    Typ/Max Supply Current (mA)2/2.6
    Sensor Excitation Current Source (mA)0.1 to 2.0
    Package28/SO.300
    Package32/TQFP-7x7
    PackageDice
    Op. Range (°C)-40 to +125
    Op. Range (°C)-40 to +85
    Op. Range (°C)0 to +70
    Price @ 1k$8.00

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