AS7261N datasheet(13/43 Pages) OSRAM

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[v1-02] 2017-Feb-27

AS7261N − Detailed Descriptions

Data Conversion

AS7261N spectral conversion is implemented via two

photodiode banks. The first bank provides data from the X, Y, Z

and NIR (near-IR) photodiodes. The second bank provides data

from the same X and Y photodiodes as well as D (Dark) and

C (Clear) photodiodes.

The spectral conversion process is controlled with two BANK

Mode settings. Bank Mode 0 uses I²C registers for X, Y, D and C

data. Bank Mode 1 uses I²C registers for X, Y, Z and NIR data.

Sensor data is available in four I²C registers (NDATAL/NDATAH,

XDATAL/XDATAH, YDATAL/YDATAH and ZDATAL/ZDATAH) as

shown in the figures below.

Figure 13:

Bank Modes

Figure 14:

AS7261N Sensor Data I²C Registers

I²C Register

Bank Mode 0

Bank Mode 1

NDATAL/NDATAH

NIR

XDATAL/XDATAH

YDATAL/YDATAH

ZDATAL/ZDATAH

NIR

Photo Diode Array

BANK Mode 0

One Conversion

X, Y, D and C

Integration Time

X, Y, Z and NIR

One Conversion

BANK Mode 1

Integration Time

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