TPS8802 Datasheet (Texas Instruments)

TPS8802, Smoke Alarm AFE

The TPS8802 integrates all of the regulators, amplifiers, and drivers required for a dual-wave photoelectric smoke alarm and carbon monoxide (CO) detection system.

Its high flexibility is ideal for smoke alarm systems where precision and power consumption are critical.

The wide input voltage range

TPS8802 Features

* Photo Chamber AFE

* Dual 8-bit programmable current LED drivers

* Temperature compensation of LED current

* Ultra-low offset op-amp for photodiodes

* Programmable and bypassable gain stage

* Carbon Monoxide Sensor AFE

* Ultra-low offset gain