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AFE4490 Datasheet(PDF) 33 Page - Texas Instruments

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Part # AFE4490
Description  Integrated Analog Front-End for Heart Rate Monitors and Low-Cost Pulse Oximeters
PDF  69 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

AFE4490 Datasheet(HTML) 33 Page - Texas Instruments

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LED
Current
Control
8-Bit Resolution
LED2 Current
Reference
LED1 Current
Reference
H-Bridge
Driver
LED2_ON
LED1_ON
LED2_ON
Or
LED1_ON
Register
RED Current Reference
Register
IR Current Reference
Tx
ILED
CBULK
External
Supply
3.3-V Supply
H-Bridge Supply
AFE4400
www.ti.com
SBAS601D – DECEMBER 2012 – REVISED MAY 2013
Figure 47. Transmit: Push-Pull LED Drive for Common Anode LED Configuration
Copyright © 2012–2013, Texas Instruments Incorporated
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33
Product Folder Links: AFE4400



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