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AS7058 Datasheet(PDF) 5 Page - OSRAM GmbH

Part # AS7058
Description  AS7058 IC for PPG, ECG and body impedance measurement
PDF  14 Pages
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Manufacturer  OSRAM [OSRAM GmbH]
Direct Link  http://www.osram.com
Logo OSRAM - OSRAM GmbH

AS7058 Datasheet(HTML) 5 Page - OSRAM GmbH

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AS7058
General description
Short Datasheet
• PUBLIC • Document Feedback
DS001085
• v1-01 • 2023-Oct-26
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1.3
Block diagram
The functional blocks of this device are shown below:
Figure 1: Functional blocks of AS7058
32kHz
Osc.
INT
MOD 1
Current input
20 bit delta-sigma
8 Bit
DAC
PD Offset
8 Bit
DAC
MOD 3
Voltage input
20 bit delta-sigma
BioZ / GSR
(Amp, Generator,
Demodulator,
LED/VCSEL Driver 1
...
LED/VCSEL Driver 2
Sequencer
Interrupt
SINC
Filter
Post
Processing
IIR
Filter
FIFO
VCSEL Safety Protection
AS7058
Vital Signs Monitoring AFE
LED1
LED4
...
LED5
LED8
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PD8
ECG_REF
ECG_INP
ECG_INN
BIOZ1
BIOZ2
BIOZ3
BIOZ4
SCL
SDA_MOSI
MISO
CSXN
GPIO
EXTCLK_SYNC
PGND1
PGND2
VAVDD
VAVDD
VIOVDD
VDVDD
MOD 2
Current input
20 bit delta-sigma
ECG Amp
Reference
Leadoff-Detection
PD Offset
2MHz
Osc.
PLL / CGU
Digital Core



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