GENERAL DESCRIPTION

The AD7417 and AD7418 are 10-bit, 4-channel and single-channel ADCs with an on-chip temperature sensor that can operate from a single 2.7 V to 5.5 V power supply. The devices contain a 15 μs successive approximation converter, a 5-channel multiplexer, a temperature sensor, a clock oscillator, a track-and-hold, and a reference (2.5 V). The AD7416 is a temperature-monitoring only device in an 8-lead package.

FEATURES

10-Bit ADC with 15 μs and 30 μs Conversion Times

Single and Four Single-Ended Analog Input Channels

On-Chip Temperature Sensor: –40C to +125C

On-Chip Track-and-Hold

Overtemperature Indicator

Automatic Power-Down at the End of a Conversion

Wide Operating Supply Range: 2.7 V to 5.5 V

I2C® Compatible Serial Interface

Selectable Serial Bus Address Allows Connection of up

to Eight AD7416/AD7417s to a Single Bus

AD7416 Is a Superior Replacement for LM75

APPLICATIONS

Data Acquisition with Ambient Temperature Monitoring

Industrial Process Control

Automotive

Battery-Charging Applications

Personal Computers