ADN8831 - Analog Devices

ADN8831 Thermoelectric Cooler (TEC) Controller

Two integrated zero drift, rail-to-rail, chop amplifiers TEC voltage and current operation monitoring Programmable TEC maximum voltage and current Programmable TEC current heating and cooling limits Configurable PWM switching frequency up to 1 MHz Power efficiency: > 90% Temperature lock indication Optional internal or external clock source Clock phase adju.

Features

GENERAL DESCRIPTION Two integrated zero drift, rail-to-rail, chop amplifiers TEC voltage and current operation monitoring Programmable TEC maximum voltage and current Programmable TEC current heating and cooling limits Configurable PWM switching frequency up to 1 MHz Power efficiency: > 90% Temperature lock indication Optional internal or external clock source Clock phase adjustment for multiple drop operation Supports negative temperature coefficient (NTC) thermistors or positive temperature coefficient (PTC) resistance thermal detectors (RTDs) 5 V typical and optional 3 V supplies Standby .