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AS7341

Functional Description

Datasheet

• PUBLIC

DS000504

• v3-00 • 2020-Jun-25

│ 18

8.1

Channel Architecture

The device features 6 independent optical channels with a dedicated 16-bit light-to-frequency

converter. Gain and integration time of the 6 channels can be adjusted with the I2C interface. A wait

time can be programed to automatically set a delay between two consecutive spectral measurements

and to reduce overall power consumption. The other available channels can be accessed by a

multiplexer (SMUX) connecting them to one of the internal ADCs.

Figure 21: Simplified Block Diagram

CH0 ADC

CH1 ADC

CH2 ADC

CH3 ADC

CH4 ADC

CH5 ADC

CH0 Data

CH1 Data

CH2 Data

CH3 Data

CH4 Data

CH5 Data

6 x 16bit LTF ADC

GPIO

VDD

I2C

Interface

SCL

SDA

interrupt

handling

INT

GND

CH0 data

CH5 data

OTP

RC-

osc

NIR/CLEAR/FLICKER

regist er

8 x VIS F1-F8

4x4 PD array

LDR

LED

PGND

AS7341 数据表(PDF) 19 Page - OSRAM GmbH

AS7341 数据表(HTML) 19 Page - OSRAM GmbH

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