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RT1025WS Datasheet(PDF) 8 Page - Richtek Technology Corporation |
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RT1025WS Datasheet(HTML) 8 Page - Richtek Technology Corporation |
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8 / 24 page  RT1025 Copyright © 2022 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation www.richtek.com DS1025-01 July 2022 8 Parameter Symbol Test Conditions Min Typ Max Unit Common-Mode Rejection fCM = 50Hz, 60Hz -- 85 -- dB Power-Supply Rejection fPS = 50Hz, 60Hz 100 -- -- dB Total Harmonic Distortion THD 100Hz, −0.5dBFs -- 78 -- dB 100Hz, −20dBFs -- 105 -- dB PPG PPG Full-Signal Chain Full-Scale Input Current INFS RF = 10k Ω -- 50 -- µA RF = 25k Ω -- 20 -- RF = 50k Ω -- 10 -- RF = 100k Ω -- 5 -- RF = 250k Ω -- 2 -- RF = 50k Ω -- 1 -- RF = 1M Ω -- 0.5 -- Pulse Repetition Frequency PRF 64 -- 4096 SPS PRF Duty Cycle DutyPRF 1 -- 25 % Common-Mode Rejection Ratio CMRR fCM = 50Hz and 60Hz, RSERIES = 100k Ω, RF = 100KΩ -- 80 -- dB Power-Supply Rejection Ratio PSRR fCM = 50Hz and 60Hz, PRF = 125Hz 80 -- -- dB Power-Supply Rejection Ratio Total Integrated Noise Current, Input Referred (Receiver with Transmitter Loop Back, 0.1Hz to 20Hz Bandwidth) RF = 100k Ω with stage2 gain = 1.5, PRF = 1300Hz, duty cycle = 5% -- 52 -- dB RF = 500k Ω with ambient cancellation enabled and stage2 gain = 6, PRF = 1300Hz, duty cycle = 25% -- 7.2 -- pArms PPG Receiver Functional Block Level Specification Total Integrated Noise Current, Input Referred (Receiver Alone) Over 0.1Hz to 5Hz Bandwidth RF = 500k Ω with ambient cancellation enabled and stage2 gain = 6, PRF = 1300Hz, duty cycle = 25% -- 1.25 -- pArms RF = 500k Ω with ambient cancellation enabled and stage2 gain = 6, PRF = 1300Hz, duty cycle = 5% -- 3.85 -- PPG I-V Transimpedance Amplifier Feedback Resistance RF -- 10k, 25k, 50k, 100k, 250k, 500k, 1M -- Ω |
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