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| LTR-556ALS-01 Datasheet, PDF (6/40 Pages) Lite-On Technology Corporation – Optical Sensor | |||
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Pin I/O Type
1
I/O
2
O
3
I
4
O
5
I
6
7
I
8
Symbol
SDA
INT
LDR
LED K
LED A
GND
SCL
VDD
I/O Pins Configuration Table
Optical Sensor
LTR-556ALS-01
Description
I2C serial data. This pin is an open drain input / output.
Level Interrupt Pin. This pin is an open drain output.
LED Driver for proximity emitter. This pin is an open drain input.
LED Cathode. Connect to LDR pin if using internal LED driver circuit.
LED Anode. Connect to VDD or VBAT on PCB
Ground
I2C serial clock. This pin is an open drain input.
Power Supply Voltage
LTR-556ALS
Recommended Application Circuit Components
Component
Recommended Value
Rp1, Rp2, Rp3 [1]
1 kï to 10 kï
C1, C2
1uF ï±20%, X7R Ceramic
[1] Selection of pull-up resistors value is dependent on bus capacitance values. For more details, please
refer to I2C Specifications: http://www.nxp.com/documents/user_manual/UM10204.pdf
5/39
Part No. : LTR-556ALS-01
BNS-OD-FC002/A4
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