AFE4404 - Ultra-Small Integrated AFE

Name: AFE4404
SKU: AFE4404-1410022

Texas Instruments

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Datasheet Details

Part number	AFE4404
Manufacturer	Texas Instruments
File Size	1.26 MB
Description	Ultra-Small Integrated AFE
Datasheet	AFE4404-etcTI.pdf

AFE4404 Product details

Description

The AFE4404 is an analog front-end (AFE) for optical bio-sensing applications, such as heart-rate monitoring (HRM) and saturation of peripheral capillary oxygen (SpO2).

Features

1 Transmitter:.
Supports Common Anode LED Configuration.
Dynamic Range: 100 dB.
6-Bit Programmable LED Current to 50 mA (Extendable to 100 mA).
Programmable LED On-Time.
Simultaneous Support of 3 LEDs for Optimized SpO2, HRM, or Multi-Wavelength HRM.
Receiver:.
24-Bit Representation of the Current Input from a Photodiode in Twos Complement Format.
Individual DC Offset Subtraction DAC at TIA Input for Each LED and Am.

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Published: Nov 9, 2019 |