BU21050FS Datasheet, PDF (1/8 Pages) Rohm – Capacitive Sensor Switch Control IC

Capacitive Sensor Control IC Series
Capacitive Sensor Switch
Control IC
BU21050FS
●Description
BU21050FS are the capacitive sensor controller with 8ch respectively.
The IC has the port interface and easy to replace the point of switch to this controller.
●Features
1) Port output interface
2) Few software control
3) 4bit Binary outputs or 8GPIO outputs
4) 5V power supply voltage available
5) Integrated 10bit AD converter, clock and reset
6) Package SSOP-A32
●Applications
It is possible to use it widely as a switch such as home electric appliance.
●Absolute Maximum Ratings (Ta=25℃)
PARAMETER
SYMBOL
RATING
MIN
MAX
AVDD
-0.3
7.0
Applied voltage
DVDD
-0.3
7.0
Input voltage
VAIN
-0.3
VDIN
-0.3
AVDD + 0.3
DVDD + 0.3
Storage temperature range
Tstg
-55
125
Power dissipation
Pd
760
Ambient temperature reduces a permission loss by 7.6mW per case more than 25 degrees Celsius, 1 degree Celsius
●Recommended Operating conditions
PARAMETER
SYMBOL
MIN
Applied voltage
AVDD
4.5
DVDD
4.5
Operating temperature range
Topr
-40
RATING
TYP
5.0
5.0
25
MAX
5.5
5.5
85
No.09048EBT01
UNIT
V
V
℃
mW
UNIT
V
V
℃
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
1/7
2009.04 - Rev.B