GENERAL DESCRIPTION

The ADT7408 is the first digital temperature sensor that complies with JEDEC standard JC-42.4 for the mobile platform memory module. The ADT7408 contains a band gap temperature sensor and a 12-bit ADC to monitor and digitize the temperature to a resolution of 0.0625°C.

FEATURES

12-bit temperature-to-digital converter

±2°C accuracy

Operation from −20°C to +125°C

Operation from 3 V to 3.6 V

240 μA typical average supply current

Selectable 1.5°C, 3°C, 6°C hysteresis

SMBus-/I2C®-compatible interface

Dual-purpose event pin: comparator or interrupt

8-lead LFCSP_VD, 3 mm × 3 mm (JEDEC MO-229 VEED-4)

package

Complies with JEDEC standard JC-42.4 memory module

Thermal sensor component specification

APPLICATIONS

Memory module temperature monitoring

Isolated sensors

Environmental control systems

Computer thermal monitoring

Thermal protection

Industrial process control

Power system monitors