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RT1025WS Datasheet(PDF) 9 Page - Richtek Technology Corporation

Part # RT1025WS
Description  Low-Power, Integrated ECG/PPG AFE for Heart-Rate Monitoring and Measurements
PDF  24 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT1025WS Datasheet(HTML) 9 Page - Richtek Technology Corporation

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RT1025
Copyright © 2022 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation
DS1025-01
July
2022
www.richtek.com
9
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Feedback Capacitance
CF
--
5,
10,
25,
50,
100,
250
--
pF
Common-Mode Voltage on
Input Pins
Set internally
--
1.25
--
V
External Differential Input
Capacitance
Include equivalent capacitance of
photodiode, cables, EMI filter, and
so forth
--
--
1000
pF
PPG Ambient Cancellation Stage
Gain
G
--
1,
1.5,
2,
3,
4,
6
--
V/V
Current Range
1
--
6
µA
Current DAC Step Size
--
1
--
µA
PPG Low-Pass Filter
Low-Pass Corner Frequency
3-dB attenuation
--
0.5,
1,
2,
4
--
kHz
PPG Analog-To-Digital Converter
Resolution
16
--
--
Bits
Sample Rate
--
4 x
PRF
--
SPS
ADC Full-Scale Voltage
--
±1.6
--
V
ADC Conversion Time
60
--
--
µs
ADC Reset Time
0.95
--
--
µs
PPG Transmitter
Output Current Range
--
10/
25/
35/
50/
65/
75/
90/
105
--
mA
Output Current Accuracy
--
±10
--
%
Output Current Resolution
--
8
--
Bits
Minimum Sample Time of
LED1 and LED2 Pulses
--
50
--
µs



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