Data Sheet

VCNL4040
www.vishay.com
Vishay Semiconductors
Rev. 1.4, 02-Mar-15
17
Document Number: 84274
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THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
APPLICATION CIRCUIT BLOCK REFERENCE
Fig. 20 - VCNL4040 Application Circuit
(normal operation with interrupt function)
Fig. 21 - VCNL4040 Application Circuit
(V
DD
(sensor and LED) suggestion circuit)
V
DD
Baseband
INT
INT
SCLK
CATHODE
(LED)
8
7
3
2
1
0.1uF
GND
SDAT
SCK
SDA
6
2.2KΩ2.2KΩ
V
DD_LED
2.2uF
8.2KΩ
5
CATHODE
(Sensor)
Anode
4
VCNL4040
Baseband
INT
INT
SCLK
CATHODE
(LED)
8
7
3
2
1
1uF
GND
SDAT
SCK
SDA
6
2.2K ȟ 2.2K ȟ
V
DD
2.2 uF
8.2K ȟ
V
Pull_up
5
CATHODE
(Sensor)
Anode
4
22 ȟ
VCNL4040