AS7058 datasheet(96/199 Pages) AMSOSRAM

Part #	AS7058

Description	IC for PPG, ECG and body impedance measurement

PDF	199 Pages

Scroll/Zoom	100%

Manufacturer	AMSOSRAM [ams-OSRAM AG]

Direct Link	https://ams-osram.com/

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96 / 199 page

AS7058

Datasheet • PUBLIC • Document Feedback

DS001077 • v2-00 • 2025-Sep-24

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8.5.4

PPGMOD1_CFG2 (Address 0x3b)

Table 55: PPGMOD1_CFG2 register

Addr: 0x3b

PPGMOD1_CFG2

Bit

Bit name

Default

Access

Bit description

ppgmod1_ios_dir

Offset DAC current direction

0: PMOS (Ambient Light Cancellation)

PD Current - PD Offset Current

1: NMOS (Special Mode)

PD Current + PD Offset Current

6:4

ppgmod1_ios_fs

Offset DAC Full-Scale Current

0: 1 µA

1: 2 µA

2: 4 µA

3: 8 µA

4: 16 µA

5: 32 µA

6: 64 µA

7: 128 µA

3:0

ppgmod1_iref_scale

This is the current reference scale factor for modulator 1

photodiode offset DAC. Default reset value of the

scale factor for measurements.

0: 0.125

1: 0.250

2: 0.375

3: 0.500

4: 0.625

5: 0.750

6: 0.875

7: 1.000

8-15: Do not use.

AS7058 Datasheet(PDF) 96 Page - ams-OSRAM AG

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