The ADS1232 and ADS1234 are precision 24-bit analog-to-digital converters (ADCs). With an onboard, low-noise programmable gain amplifier (PGA), precision delta-sigma ADC and internal oscillator, the ADS1232/4 provide a complete front-end solution for bridge sensor applications including weigh scales, strain gauges and pressure sensors.
Features:
Complete Front-End for Bridge Sensors Up to 23.5 Effective Bits Onboard, Low-Noise PGA RMS Noise: 17nV at 10SPS (PGA = 128) 44nV at 80SPS (PGA = 128) 19.2-Bit Noise-Free Resolution at Gain = 64 Over 100dB Simultaneous 50Hz and 60Hz Rejection Flexible Clocking: Low-Drift Onboard Oscillator (±3%) Optional External Crystal Selectable Gains of 1, 2, 64, and 128 Easy Ratiometric Measurements—External Voltage Reference up to 5V Selectable 10SPS or 80SPS Data Rates Two-Channel Differential Input with Built-In Temperature Sensor (ADS1232) Four-Channel Differential Input (ADS1234) Simple Serial Digital Interface Supply Range: 2.7V to 5.3V -40°C to +105°C Temperature Range
Applications: - Weigh Scales - Strain Gauges - Pressure Sensors - Industrial Process Control
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