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EM7028 Heart Rate Sensor心率传感器-免费领取

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发表于 2018-4-19 15:31:54 | 显示全部楼层 |阅读模式 来自 广东省深圳市
EM7028 is a low-power I2C interface module includes Heart Rate Sensor(HRS) and internal LED Current Drivers with 2 Green LED. It can work in both in both continuous mode and pulse mode. It is designed for applications of Heart Beat Rate detection esp. such as smart watch etc.
Heart Rate Sensor in continuous mode is designed to monitor heart rate by optical detection. A 16-bit ADCdetects the result constantly with adjustable gain and resolution.
Heart Rate Sensor in pulse mode is designed to monitor heart rate by optical detection in low-power. It alsoacts as a proximity sensor with rejection of ambient light noise. In order to reMOVing component variations and eliminate offset caused by IR reflection, EM7028 set 2 registers for compensation and high dynamic range of detection.
HRS in continuous mode and pulse mode can work simultaneously. All pixels are controlled by analogMUX in different modes.

Features
 Heart-Rate Sensors(HRS) with built-in 2 LED of 525nm wavelength integrated in a single Optical
Module
 50Hz/60Hz Flicker Noise Rejection
 Temperature Compensation
 Higher Sensitivity of Proximity Sensing
 HRS in continuous mode with higher detection rate
 HRS in pulse mode with Ambient Light Rejection
 HRS detect rates is up to 1000/s
 1024 Steps Programmable LED current driver for flexibility and part-to-part calibration
 16bits ADC of Heart Rate Sensor
 Offset register adjustment for compensation of DC noise
 Programmable Interrupt modes
 Low Average Operation Power consumption
 Output Type: I2C Bus (HRS2) up to 400K Hz
 Operation Voltage 2.5V ~ 3.6V
 Logic Interface Voltage VBUS=1.8V or VBUS=VDD
 Minimum External Components
 Package: (4.0mmX2.4mmX1.35mm)
 RoHS package

EM7028.png
2018-4-19 15:31 上传
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