PGA300 - Texas Instruments

PGA300 Signal Conditioner/Transmitter

The PGA300 provides an interface for piezoresistive and strain-gauge pressure-sense elements. The device is a full system-on-chip (SoC) solution that incorporates a programmable analog front-end (AFE), ADC, and digital signal processing that enable direct connection to the sense element. Further, the PGA300 includes integrated voltage regulators and an oscil.

Features

•1 Analog features:
  – Analog front-end for resistive bridge sensors
  – Accommodates sensor sensitivities from 1 mV/V to 135 mV/V
  – On-chip temperature sensor
  – Programmable gain
  – 16-bit sigma-delta analog-to-digital converter for signal channel
  – 16-bit sigma-delta analog-to-digital converter for temperature channel
  – 14-bit output DAC
• Digital Features:
  – <0.1% FSO accuracy across temperature
  – System response time <220 µs
  – Third-order temperature and nonlinearity compensation
  – Diagnostic functions
  – Integrated EEPROM for device operation, calibration data, and user data
• Peripheral featu.