Datasheet > ADPD1081

ADPD1081

更新时间： 2024-12-02 02:49:59

品牌	Logo	应用领域
亚德诺 - ADI		/
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74页	1374K
描述
Photometric Front Ends

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ADPD1081 数据手册

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.

Technical Support

www.analog.com

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与ADPD1081相关器件

型号	品牌	获取价格	描述	数据表
ADPD1081BCBZR7	ADI	获取价格	Photometric Front Ends
ADPD144RI	ADI	获取价格	PPG Optical Sensor Module with Integrated Red/IR Emitters and AFE
ADPD144RI-ACEZ-RL	ADI	获取价格	PPG Optical Sensor Module with Integrated Red/IR Emitters and AFE
ADPD144RI-ACEZ-RL7	ADI	获取价格	PPG Optical Sensor Module with Integrated Red/IR Emitters and AFE
ADPD188BI	ADI	获取价格	Integrated Optical Module for Smoke Detection
ADPD188BI-ACEZR7	ADI	获取价格	Integrated Optical Module for Smoke Detection
ADPD188BI-ACEZRL	ADI	获取价格	Integrated Optical Module for Smoke Detection
ADPD188GG	ADI	获取价格	Integrated Optical Module with Ambient Light Rejection and Two LEDs
ADPD188GG-ACEZR7	ADI	获取价格	Integrated Optical Module with Ambient Light Rejection and Two LEDs
ADPD188GG-ACEZRL	ADI	获取价格	Integrated Optical Module with Ambient Light Rejection and Two LEDs

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