AD7817
FEATURES
10-bit ADC with 9 μs conversion time 1 AD7818 and 4 AD7817 single-ended analog input channels On-chip temperature sensor
Resolution of 0.25°C ±2°C error from
- 40°C to +85°C
- 55°C to +125°C operating range Wide operating supply range: 2.7 V to 5.5 V Inherent track-and-hold functionality On-chip reference (2.5 V ± 1%) Overtemperature indicator Automatic power-down at the end of a conversion Low power operation 4 μW at a throughput rate of 10 SPS 40 μW at a throughput rate of 1 k SPS 400 μW at a throughput rate of 10 k SPS Flexible serial interface
APPLICATIONS
Data acquisition systems with ambient temperature monitoring Industrial process control Automotive Battery charging applications
GENERAL DESCRIPTION
The AD7817/AD7818 are 10-bit, single- and 4-channel analog-todigital converters (ADCs) with an on-chip temperature sensor that can operate from a single 2.7 V to 5.5 V power supply. Each device contains a 9 μs successive approximation converter based around a capacitor...
