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ADS1230IPWR

20-Bit Analog-to-Digital Converter For Bridge Sensors
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Description

DESCRIPTION
The ADS1230 is a precision 20-bit analog-to-digital converter (ADC). With an onboard low-noise programmable gain amplifier (PGA), onboard oscillator, and precision 20-bit delta-sigma ADC, the
ADS1230 provides a complete front-end solution for bridge sensor applications including weigh scales, strain gauges, and pressure sensors.

FEATURES
• Complete Front-End for Bridge Sensor
• Onboard PGA with Gain of 64 or 128
• Onboard Oscillator
• RMS Noise:
   40nV at 10SPS (G = 128)
   88nV at 80SPS (G = 128)
• 18-Bit Noise-Free Resolution
• Selectable 10SPS or 80SPS Data Rates
• Simultaneous 50Hz and 60Hz Rejection at 10SPS
• External Voltage Reference up to 5V for Ratiometric Measurements
• Simple, Pin-Driven Control
• Two-Wire Serial Digital Interface
• Tiny 16-pin TSSOP Package
• Supply Range: 2.7V to 5.3V
• –40°C to +85°C Temperature Range

APPLICATIONS
• Weigh Scales
• Strain Gauges
• Pressure Sensors
• Industrial Process Control

Features

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