Datasheet Texas Instruments AFE4405YZR — 数据表

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SBAS768B – APRIL 2016 – REVISED MAY 2016 AFE4405 Ultra-Small, Integrated AFE with FIFO for
Wearable, Optical Heart-Rate Monitoring and Bio-Sensing
1 Features 2 Applications 1 Transmitter:
– Supports Common Anode LED Configuration
– Dynamic Range: 100 dB
– 8-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:
– Supports 2 Time-Multiplexed Photodiode
Inputs
– 24-Bit Representation of the Current Input from
the Photodiode in Twos Complement Format
– Individual DC Offset Subtraction DAC
(В±15.75-ВµA Range) at TIA Input for Each LED, …