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TPS8802

Texas Instruments
Part Number TPS8802
Manufacturer Texas Instruments
Description Smoke Alarm AFE
Published Oct 15, 2023
Detailed Description TPS8802 SLVSF25C – SEPTEMBER 2019 – REVISED AUGUST 2021 TPS8802 Smoke Alarm AFE 1 Features • Photo Chamber AFE – Dual 8...
Datasheet PDF File TPS8802 PDF File

TPS8802
TPS8802

Overview
...-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 stage – Programmable gain and reference • Horn Driver – Self-resonant driver for three-terminal piezos – PWM support for voice on two-terminal piezos • Power Management – Programmable LDO for external microcontroller – Boost converter for horn, interconnect • Interconnection bus for multi-alarm communication • Ultra-low power consumption • I2C serial interface • Programmable battery test load 2 Applications • Smoke and CO alarm 3 Description The TPS8802 integrates all of the ...


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