Analog Front End for commercial smoke detector
Product details
Parameters
Package | Pins | Size
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 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.
Technical documentation
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View all 3 | Type | Title | Date | |
|---|---|---|---|
| * | Datasheet | TPS8804 Smoke Detector AFE datasheet (Rev. B) | Mar. 16, 2021 |
| User guide | Using the TPS8804EVM (Rev. A) | May 20, 2020 | |
| Technical article | Get Connected: A new blog series | Jan. 10, 2014 |
Design & development
For additional terms or required resources, click any title below to view the detail page where available.Hardware development
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 (...)
Software development
SLVC793A.ZIP (23438 KB)
CAD/CAE symbols
| Package | Pins | Download |
|---|---|---|
| HTSSOP (DCP) | 38 | View options |
Ordering & quality
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- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Support & training
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