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AS7056-BWLT中文資料艾邁斯歐司朗數(shù)據(jù)手冊PDF規(guī)格書

AS7056-BWLT
廠商型號

AS7056-BWLT

功能描述

Biosignal Converting Unit

文件大小

834.97 Kbytes

頁面數(shù)量

13

生產(chǎn)廠商 ams AG
企業(yè)簡稱

AMSCO艾邁斯歐司朗

中文名稱

艾邁斯歐司朗股份公司官網(wǎng)

原廠標(biāo)識
數(shù)據(jù)手冊

下載地址一下載地址二到原廠下載

更新時間

2024-12-23 13:01:00

AS7056-BWLT規(guī)格書詳情

Description

The AS7056 Biosignal Sensor Analog Frontend (AFE) is the next generation Vital Sign Sensor. It

enables the user to detect biosignals such as photoplethysmogram (PPG) and pulse transit time

(PTT), as well as proximity. PPG is the most used HRM method. It measures the pulse rate - by

sampling light modulated by the blood vessels, which expand and contract as blood pulses through

them. Apart from HRM/HRV, optical Blood Pressure and SpO2 are also enabled by the two

independent working photodiode inputs of the AS7056. The AS7056 is a size and performances

optimized analog frontend to support space-limited applications such as in-ear vital sign monitoring.

The AS7056 provides two LEDs and one VCSEL driver outputs, samples up to three photodiode

inputs, and supports proximity detection integrated into one of the PPG signal channels. This enables

high flexibility for several LED and photodiode arrangements in different applications. Furthermore, the

AS7056 Biosignal Sensor Analog Frontend provides two ADC channels for simultaneous PPG

measurements and an automatic photodiode offset control.

The AS7056’s low-power design and small form factor are particularly well-suited for application in

earbuds, fitness bands, smartwatches, sports watches, and smart patches. In these cases, board

space is limited, and users look for extended, multi-day intervals between battery recharges. A thin

package dimension makes the AS7056 suitable for height-constrained solutions like earbuds.

Features

2 LED + 1 VCSEL driver and 3 photodiode input

pins.

Small Wafer-Level-Chip-Scale-Package

(WLCSP).

Two synchronized PPG acquisition channels.

Two independent, programmable sequence

blocks inside the PPG signal acquisition.

Low noise analog optical front-end.

Hardware sequencer to offload processor.

Adjustable LED driver with current control.

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