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TPS8804

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Analog Front End for commercial smoke detector

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Product details

Parameters

Operating temperature range (C) -40 to 85 Interface type I2C Rating Catalog open-in-new Find other Signal conditioners

Package | Pins | Size

HTSSOP (DCP) 38 43 mm² 9.7 x 4.4 open-in-new Find other Signal conditioners

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 stage
    • Programmable gain and reference
  • Power Management
    • Programmable LDO for external microcontroller
  • SLC interface transmitter and receiver
  • Ultra-low power consumption
  • I2C serial interface
  • Wide input voltage range

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Description

The TPS8804 is a smoke detection ASIC specialized for commercial smoke detectors. The TPS8804 integrates all of the amplifiers and drivers required for a dual-wave photoelectric smoke detection and carbon monoxide detection system. Its high flexibility is ideal for smoke detection systems where precision and power consumption are critical.

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Technical documentation

= Top documentation for this product selected by TI
No results found. Please clear your search and try again. View all 6
Type Title Date
* Datasheet TPS8804 Smoke Detector AFE datasheet (Rev. A) Mar. 19, 2020
User guides Using the TPS8804EVM (Rev. A) May 20, 2020
Technical articles SigCon Architect: The keys to your high-speed design Oct. 27, 2015
Technical articles Make signal conditioning easy with WEBENCH® Interface Designer Jan. 27, 2015
Technical articles Get Connected: Equalization Oct. 15, 2014
Technical articles One part for all: Multi-standard signal conditioners Mar. 07, 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARDS Download
document-generic User guide
149
Description
The TPS8804EVM is used to evaluate the TPS8804 smoke and CO detection analog front end and power management IC. The EVM allows for easy connection from the TPS8804 to a user-supplied photoelectric chamber and carbon monoxide sensor. The TPS8804 GUI interfaces with the EVM to quickly evaluate the (...)
Features
  • Two programmable, temperature compensated LED drivers for dual-wave photoelectric chambers
  • Ultra-low offset photodiode transimpedance amplifier with programmable gain stage
  • Ultra-low power op-amp for electrochemical carbon monoxide sensors
  • Interconnect/SLC interface for multi-detector communication
  • Wide (...)
GUIS FOR EVALUATION MODULES (EVM) Download
SLVC793A.ZIP (23438 KB)

CAD/CAE symbols

Package Pins Download
HTSSOP (DCP) 38 View options

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