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AS7058 Datasheet(PDF) 190 Page - ams-OSRAM AG

Part # AS7058
Description  IC for PPG, ECG and body impedance measurement
PDF  199 Pages
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Manufacturer  AMSOSRAM [ams-OSRAM AG]
Direct Link  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS7058 Datasheet(HTML) 190 Page - ams-OSRAM AG

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AS7058
Application information
Datasheet • PUBLIC • Document Feedback
DS001077 • v2-00 • 2025-Sep-24
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9
Application information
This chapter contains application related information.
9.1
Schematic
Figure 63: AS7058 PPG and ECG application schematic
U1
AS7058 / AS7058A
SDA_MOSI
SCL
C6
C5
CSXN
B4
MISO
C4
INT
D5
EXTCLK
B3
GPIO
C3
PD1
E4
PD2
G3
PD3
F4
PD4
D4
PD5
G2
PD6
D3
PD7
F3
PD8
E3
PDREF
G1
LED1
A6
LED2
B6
LED3
A5
LED4
A4
LED5
A1
LED6
B1
LED7
A2
LED8
A3
ECG
BioZ
IOVDD
E5
DGND
D6
DVDD
E6
PGND1
B5
PGND2
B2
LED PWR
Analog PWR
AS7058
WLCSP42
I2C
IRQ
PDREF
LED1
LED2
LED3
LED5
LED6
LED7
IOVDD
VLED
VAVDD
VAVDD
VDVDD
VIOVDD
Li-Ion Battery
3.7V
+
-
LDO
1.8V
VBAT
VDVDD
DCDC
1.8V
DCDC
5V
EN
LDO
4.5V
VIOVDD
VAVDD
Smartwatch
Host MCU /
Sensor Hub
VIOVDD
Three-axis linear
accelerometer
U2
LIS2DH12
CS
SCL
SDA
INT1
VDVDD
VIOVDD
VLED
ECG_INP
ESD3
ESD1
ESD2
CAVDD1
CAVDD2
CDVDD
RI2C_PU
RI2C_PU
CIOVDD
RPU
RPD
RPD
RECG
RECG
RECG
CECG_CM
VLED
PDX
PDX
LED2
LED6
LED3
LED7
PDREF
PDREF
LEDR_IR LEDR_IR
IN
IN
OUT
OUT
OUT
IN
IN
OUT
ECG_REF
RECG_CM
RECG_CM



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