BH1730FVC Datasheet, PDF (4/21 Pages) Rohm – Digital 16bit Serial Output Type Ambient Light Sensor IC

BH1730FVC
●Block Diagram
VCC
DVI
Technical Note
AMP
PD for visible light
AMP
PD for infrared light
ADC
ADC
ADC Logic
+
I²C Interface
+
INT Interface
OSC
GND
POR
INT
SCL
SDA
●Block Diagram Descriptions
・PD
Photo diodes (PD) with peaks in visible light and in infrared light.
・AMP
Integration OPAMP for converting from PD current to voltage.
・ADC
AD converter for obtainment digital 16bit data.
・ADC Logic + I²C Interface + INT Interface
Ambient light calculation logic and I²C Bus Interface and Interrupt function Interface.
・OSC
Internal oscillator ( typ. 360kHz ). It is clock for internal logic.
・POR
Power on reset. All register is reset after VCC is supplied. Please refer P14 (Caution of power on reset function).
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2012.02 - Rev.A