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BU21008MUV Datasheet

Capacitive Sensor Switch Control IC

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Capacitive Sensor Control IC Series
Capacitive Sensor Switch
Control IC
BU21008MUV
No.09048EBT04
Description
BU21008MUV are the capacitive sensor controller with 16 channels respectively. Half of sensor ports are available to use to
LED driver with PWM function. PWM function can control light ambient. Also gesture function can recognize the short touch,
long touch and finger motion.
Features
1) Gesture function
www.Data2Sh) eeLtE4DU.cdorimver with PWM available
3) 2 wire serial interface
4) Power supply = 2.5V to 3.3V, I/O power supply = 1.7V to 3.3V
5) Integrated 10bit AD converter, clock and reset
6) Package VQFN032V5050
Applications
It is possible to use it widely as a switch such as a Mobile phone, Portable equipment, and Audiovisual apparatuses.
Absolute Maximum Ratings (Ta=25)
PARAMETER
SYMBOL
RATING
MIN MAX
APPLIED VOLTAGE
AVDD
DVDD
-0.3
-0.3
4.5
4.5
INPUT VOLTAGE
VAIN
VDIN
-0.3
-0.3
AVDD+0.3
DVDD+0.3
STORAGE TEMPERATURE RANGE
Tstg
-55
125
POWER DISSIPATION
Pd
304
Ambient temperature reduces a permission loss by 3.1mW per case more than 25 degrees Celsius, 1 degree Celsius.
UNIT
V
V
mW
Recommended Operating conditions
PARAMETER
APPLIED VOLTAGE
OPERATINGTEMPERATURE RANGE
SYMBOL
AVDD
DVDD
Topr
MIN
2.5
1.7
-40
RATING
TYP
3.0
3.0
25
MAX
3.3
3.3
85
UNIT
V
V
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
1/16
2009.04 - Rev.B


Rohm Semiconductor Electronic Components Datasheet

BU21008MUV Datasheet

Capacitive Sensor Switch Control IC

No Preview Available !

BU21008MUV
Technical Note
Electrical characteristics(Especially, Topr=25and AVDD=DVDD=0 as long as it doesn't specify it.)
PARAMETER
SYMBOL MIN
RATING
TYP
MAX UNIT
Condition
H INPUT VOLTAGE
VIHIO DVDDx0.8
-
DVDD+0.3 V
L INPUT VOLTAGE
VILIO DVSS-0.3
-
DVDDx0.2 V
Output "H" voltage
VOHIO DVDD-0.7
-
DVDD V IOH=-2[mA]. Overshoot is excluded.
VOLLED AVSS
-
0.5
IOL=8[mA]. Undershoot is excluded. LED output.
Output "L" voltage
VOLTXD DVSS
VOLINT DVSS
0.5 IOL=3[mA]. Undershoot is DVDD > 2[V]
-
DVDDx0.3
V
excluded. SDA/TXD
application.
DVDD 2[V]
- 0.5
IOL=2[mA]. Undershoot is excluded. INT
application.
Input leakage current
IIZ
-1
-
1 μA
Off leakage current
IOZ
-1
-
1 μA
Standby current
IST -
-
2 μA Shutdown (SDN”L”)
Current of operation
IDD
-
300
- μA
www.DAa/DtaCShoenevte4rUte.cr om
PARAMETER
SYMBOL
Resolution
Analog Input voltage
change clock frequency
change time
Zero scale voltage
full scale voltage
differential Non line accurate
Integrate Non line accurate
VAIN
fadck
ftim
DNL
INL
MIN
-
AVSS
0.2
-
-
AVDD-0.07
-
-
RATING
TYP
10
-
-
77
-
-
-
-
MAX
-
AVDD
2.0
-
AVSS+0.07
-
±3
±3
UNIT
Condition
bit
V
MHz
μsec
V
V
LSB
LSB
fadck = 1[MHz]
CR Oscillator characteristic
PARAMETER
Frequency Oscillation
SYMBOL
fcr
MIN
0.4
RATING
TYP
0.8
MAX
2.0
UNIT
MHz
Condition
www.rohm.com
© 2009 ROHM Co., Ltd. All rights reserved.
2/16
2009.04 - Rev.B


Part Number BU21008MUV
Description Capacitive Sensor Switch Control IC
Maker Rohm
Total Page 17 Pages
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