One-Wire Ambient Temperature Sensor - MAX31820

• 9-bit to 12-bit Celsius temperature measurements
• Communicates over a one-wire bus
• Can derive power directly from the data line
• Requires no external components

The One-Wire Ambient Temperature Sensor - MAX31820 provides 9-bit to 12-bit Celsius temperature measurements with ±0.5°C accuracy over a +10°C to +45°C temperature range. Over its entire -55°C to +125°C operating range, the device has ±2.0°C accuracy.