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ADPD1080 PDF预览

ADPD1080

更新时间: 2024-12-02 02:50:11
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
74页 1374K
描述
Photometric Front Ends

ADPD1080 数据手册

 浏览型号ADPD1080的Datasheet PDF文件第2页浏览型号ADPD1080的Datasheet PDF文件第3页浏览型号ADPD1080的Datasheet PDF文件第4页浏览型号ADPD1080的Datasheet PDF文件第5页浏览型号ADPD1080的Datasheet PDF文件第6页浏览型号ADPD1080的Datasheet PDF文件第7页 
Photometric Front Ends  
ADPD1080/ADPD1081  
Data Sheet  
FEATURES  
GENERAL DESCRIPTION  
Multifunction photometric front end  
The ADPD1080/ADPD1081 are highly efficient, photometric  
front ends, each with an integrated 14-bit analog-to-digital  
converter (ADC) and a 20-bit burst accumulator that works  
with flexible light emitting diode (LED) drivers. The ADPD1080/  
ADPD1081 stimulate an LED and measures the corresponding  
optical return signal. The data output and functional configuration  
occur over a 1.8 V I2C interface on the ADPD1080 or a serial  
port interface (SPI) on the ADPD1081. The control circuitry  
includes flexible LED signaling and synchronous detection.  
Fully integrated AFE, ADC, LED drivers, and timing core  
Enables ambient light rejection capability without the need  
for photodiode optical filters  
Three 370 mA LED peak current drivers  
Flexible, multiple, short LED pulses per optical sample  
20-bit burst accumulator enabling 20 bits per sample period  
On-board sample to sample accumulator, enabling up to  
27 bits per data read  
Low power operation  
The analog front end (AFE) features rejection of signal offset and  
corruption due to modulated interference commonly caused by  
ambient light without the need for optical filters or dc cancellation  
circuitry that requires external control.  
SPI, I2C interface, and 1.8 V analog/digital core  
Flexible sampling frequency ranging from 0.122 Hz to 2700 Hz  
FIFO data operation  
Qualified for automotive applications  
Couple the ADPD1080/ADPD1081 with a low capacitance  
photodiode of <100 pF for optimal performance. The ADPD1080/  
ADPD1081 can be used with any LED. The ADPD1080 is available  
in a 16-ball, 2.46 mm × 1.4 mm WLCSP and a 28-lead, 4 mm ×  
4 mm LFCSP. The SPI only version, ADPD1081, is available in  
a 17-ball, 2.46 mm × 1.4 mm WLCSP.  
APPLICATIONS  
Wearable health and fitness monitors  
Clinical measurements, for example, SpO2  
Industrial monitoring  
Background light measurements  
Rev. C  
Document Feedback  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice.  
No license is granted by implication or otherwise under any patent or patent rights of Analog  
Devices. Trademarks and registeredtrademarks are the property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700 ©2018–2020 Analog Devices, Inc. All rights reserved.  
Technical Support  
www.analog.com  
 
 
 

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