PGA400-EP - Texas Instruments

PGA400-EP PRESSURE SENSOR SIGNAL CONDITIONER

DESCRIPTION General purpose IO 2 / input capture port 2 General purpose IO 1 / input capture port 1 / I2C Data One-time programmable memory programming voltage DAC1 output / One-wire interface Ground DAC2 output Test pin reserved Test pin reserved Resistive bridge supply voltage Resistive sensor 1 positive input / capacitive sensor 1 positive input Capaciti.

Features

1
• Analog Features
  – Analog Front-End for Resistive Bridge Sensors
  – Self-Oscillating Demodulator for Capacitive Sensors
  – On-Chip Temperature Sensor
  – Programmable Gain
  – 16-Bit, 1MHz Sigma-Delta Analog-to-Digital Converter for Signal Channel
  – 10-Bit Sigma-Delta Analog-to-Digital Converter for Temperature Channel
  – Two 12
  –Bit DAC Outputs
• Digital Features
  – Microcontroller Core
• 10 MHz 8051 WARP Core
  – 2 Clocks Per Instruction Cycle
• On
  –Chip Oscillator
  – Memory
• 8 KB of OTP Memory
• 89 Bytes of EEPROM
• 256 Bytes Data SRAM
• Peripheral Features
  – Serial Peripheral Interface (SPI™)
  – In.