NOA2301 Datasheet, PDF (2/19 Pages) ON Semiconductor – Digital Proximity Sensor

NOA2301
ADC
hn
Proximity
IR Diode
NOA2301
VDD
VDD_I2C
1μF
I²C Interface
DSP
&
Control
MCU
INT
INT
SCL
SCL
SDA
SDA
VDD
22μF _0.01μF
LED
IR LED
Drive
LED
Osc
VSS
VSS_LED
Figure 1. NOA2301 Application Block Diagram
Table 1. PAD FUNCTION DESCRIPTION
Pad
Pad Name
Description
1
VDD
Power pad
2
VSS
Ground pad
3
LED_GND
Ground pad for IR LED driver
4
LED
IR LED output pad
5
INT
Interrupt output pad, open−drain
6
SDA
Bi−directional data signal for communications with the I2C master
7
SCL
External I2C clock supplied by the I2C master
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