AS7058 datasheet(42/199 Pages) AMSOSRAM

tên linh kiện	AS7058

Giải thích chi tiết về linh kiện	IC for PPG, ECG and body impedance measurement

PDF	199 Pages

Scroll/Zoom	100%

nhà sản xuất	AMSOSRAM [ams-OSRAM AG]

Trang chủ	https://ams-osram.com/

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42 / 199 page

AS7058

Functional description

Datasheet • PUBLIC • Document Feedback

DS001077 • v2-00 • 2025-Sep-24

42 / 199

Figure 37: Tripple measurement timing diagram

Figure 38: AAOC timing diagram

tOS

tINTEGRATION

tDV

tSD

tLED_INIT

Oversampling 2SINC_OVS

Average

tOS

tINTEGRATION

tDV

tSD

tLED_INIT

Oversampling 2SINC_OVS

Average

Difference = – Value_LED_OFF/2 + Value_LED_ON – Value_LED_OFF/2

tOS

tINTEGRATION

tDV

tSD

tLED_INIT

Oversampling 2SINC_OVS

Average

tSUB_WAIT

tMOD_RES

tMEASURE

Photodiode Selection

Photodiode Offset Current

LED On

ADC Modulator

ADC Reset

SINC Downsampler

Sample Data

SAR

tM_COI

FIFO<=Average

SAR 4-bit

PPG Measurement

FIFO<=SAR_STATUS

Configurable SINC Filter and timing settings

tM_COI

tDM_COI

tSUB_WAIT

tSD

tOS

tDV

Oversampling 2SINC_OVS

Average

tSAR_WAIT

tLED_INIT

tMOD_RES

tMEASURE

tINTEGRATION

Fixed SINC Filter and timing settings COI5-16

tMOD_RES

Photodiode Selection

Photodiode Offset Current

LED On

ADC Modulator

ADC Reset

SINC Downsampler

Sample Data

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