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AFE4490 Datasheet(PDF) 28 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) 28 Page - Texas Instruments

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t0
t29
ADC Conversion
Pulse Repetition Period,
One Cycle
t14
t15
t16
t13
t17
t18
t19
t20
t21
t22
t23
t24
t25
t26
t27
t28
ADC Reset
CONVLED1_amb,
Convert Ambient Sample
[LED1 (IR) Phase]
CONVLED1,
Convert LED1 (IR) Sample
CONVLED2_amb,
Convert Ambient Sample
[LED2 (RED) Phase]
CONVLED2,
Convert LED2 (RED) Sample
One 4-MHz
Clock Cycle
AFE4400
SBAS601D – DECEMBER 2012 – REVISED MAY 2013
www.ti.com
(1) RED = LED2, IR = LED1.
Figure 42. Relationship Between the ADC Reset and ADC Conversion Signals
28
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Copyright © 2012–2013, Texas Instruments Incorporated
Product Folder Links: AFE4400



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