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PGA309
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PGA309

  • Category:Sensor regulation
  • Product Name:Voltage output programmable sensor signal conditioner
  • Manufacturers:TI
  • Production Batch Number:09+
  • Encapsulation:16TSSOP
  • Stock Status:There is stock
  • Stock Quantity:2500
  • Minimum order quantity: 1
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  • Product introduction

is a programmable PGA309 analog sensor signal conditioning bridge design. The analog signal amplifies the sensor signal path and provides zero, range, zero drift, span drift digital calibration, and applied stress transducer (pressure, strain, etc.) linearization error. Calibration is via a single-wire digital serial interface or via a two-wire industry standard connection. Calibration parameters are stored in external non-volatile memory (typically SOT23-5) to eliminate manual pruning and achieve long-term stabilization.

All analog signal paths include a 2x2 input multiplexer (MUX), auto-zero programmable gain instrumentation amplifier, linearization circuitry, reference voltage, internal oscillator, control logic, and output amplifier.

characteristic
  • Complete the bridge sensor signal conditioner
  • Voltage output: proportional or absolute
  • Digital Karl: No potentiometer/sensor accessories
  • Sensor error compensation
    • Spadd, bias and temperature drift
  • The error is small and the time is stable
  • Sensor linearization circuitry
  • Temperature: inside or outside
  • Logical validation for lookup tables
    • Use of external EEPROM (with SOT23-5)
  • Up/down scale limits
  • Sensor fault detection
  • +2.7 V to +5.5 V operation
  • -40°C to +125°C operation
  • Small TSSOP-16 package
  • apply
    • Bridge sensor
    • Remote 4 - 20mA transmitter
    • Strain, load, scale
    • Automotive sensors
parameter
  PGA309
and (min) (v) 2.7
and (maximum) (v) 5
Operating temperature range(°C) -40 to 125
Pins/Packets 16TSSOP

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