Data Sheet

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TSZ02201-0M3M0F616080-1-2
© 2014 ROHM Co., Ltd. All rights reserved.
23.May.2016 Rev.002
www.rohm.com
TSZ22111・15・001
BH1745NUC
Pin Configuration
Pin Description
Pin No.
Pin Name
Function
1
ADDR
I
2
C bus slave address terminal
2
VCC
Power supply terminal
3
GND
GND terminal
4
TEST
Test terminal. Connect to GND.
5
SCL
I
2
C bus Interface SCL terminal.
6
SDA
I
2
C bus Interface SDA terminal.
7
INT
Nch open drain output.
Interrupt setting is defined by internal register. Register value is
possible to configure by I
2
C bus.
8
NC
Non connect (Open).
Block Diagram
Description of Blocks
・Ircut Filter
This filter passes visible light and blocks infrared light.
・RED, GREEN, BLUE, CLEAR
Red, Green, Blue, and Clear color pass filter
・PD
Photodiodes (PD) convert light into current.
・ADC
AD converter for obtaining digital 16bit data.
・ADC Logic + I
2
C Interface + INT Interface
ADC control logic and I
2
C bus Interface and Interrupt function Interface.
・OSC
Internal oscillator (typ 720 kHz). It is clock for internal logic.
・POR
Power on reset. All registers are reset after VCC is supplied.
INT
ADDR
VCC
TEST
TOP VIEW
NC
SCL
GND
SDA
3
4
2
1
8
7
6
5
SDA
VCC
ADC
BLUERED GREEN
IRCUT FILTER
ADC
ADC
ADC
CLEAR
OSC POR
GND
SCL
INT
TEST
ADC Logic
+
I
2
C Interface
+
INT Interface
ADDR
SDA
VCC
ADC
BLUERED GREEN
IRCUT FILTER
ADC
ADC
ADC
CLEAR
OSC POR
GND
SCL
INT
TEST
ADC Logic
+
I
2
C Interface
+
INT Interface
ADDR
PD
PD
PD
PD