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AS7024 Datasheet Preview

AS7024 Datasheet

Biosensor

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AS7024
Biosensors
General Description
The AS7024 device provides a flexible analog front end for light
sensing applications. The photodiode input circuit can be
configured in different ways to guarantee best tradeoff
between speed and sensitivity for a large number of different
sensing applications.
AS7024 is targeted for wearables (fitness band, smart watch).
Ordering Information and Content Guide appear at end of
datasheet.
Figure 1:
Added Value of Using AS7024
Key Benefits and Features
The benefits and features of AS7024, Biosensors are listed
below:
Benefits
Allows smallest application size e.g. narrow HRM
measurement band
Good HRM measurement quality
Additional information for end user
Long operating time
Works reliably with ambient light
Features
Single device integrated optical solution
Low noise analog optical front end
Analog electrical front end (e.g. for temperature
sensing using a NTC or galvanic skin resistivity
(GSR))
Hardware sequencer to offload processor
Adjustable LED driver with current control
Synchronous demodulator
ams Datasheet
[v1-04] 2018-Sep-11
Page 1
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ams

AS7024 Datasheet Preview

AS7024 Datasheet

Biosensor

No Preview Available !

Figure 2:
Application Schematic AS7024
AS7024 − General Description
Applications
The device is suitable for optical sensor platform.
VD1
ECG_INP
ECG_INN
ECG_REF
SDA
SCL
VBAT
INT
2.7V-5.5V VDD
V_LDO
GND
VD3
LED1 LED4
Optical barrier
I2C, Optical &
Electrical
Frontend,
ECG Amp.
IR VD4
ENABLE
GPIO3
GPIO2
GPIO1
GPIO0
LDO
SIGREF
Ref
AGND
Optical barrier
LED2
VD2
AS7024
Page 2
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ams Datasheet
[v1-04] 2018-Sep-11


Part Number AS7024
Description Biosensor
Maker ams
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AS7024 Datasheet PDF






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