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AS7030B

Functional Description

Datasheet

• PUBLIC

DS000716

• v1-00 • 2020-Jun-10

128

│ 40

Figure 31:

Photodiode Sensitivity (solid green and black) and LED Emission Spectrum (dotted green and

dotted black)

Information

All 4 photodiodes used pd1/2/3/4=1; perpendicular light source and no diffusor used on AS7030B;

due to the difference in photodiode size the absolute response for Photodiode 6 (0.01 mm2) is much

lower compared to PD1-PD4 (2.5 mm2)

7.1.6

Photodiode Trans-Impedance Amplifier (TIA)

The Trans-Impedance Amplifier is used to convert the photocurrent into voltage.

The photodiode amplifier can be configured in two different modes:

●

Photocurrent to voltage converter

●

Photocurrent integrator

20%

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Wavelength (nm)

AS7030 PD1-PD4

AS7030 Photodiode 6

Green LED

IR LED 940nm

NREL Sun normlized

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