Capacitive Sensor Control IC Series Capacitive Sensor Switch Control IC No.09048EBT04 BU21008MUV 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 2) LED driver 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) RATING PARAMETER SYMBOL UNIT MIN MAX AVDD -0.3 4.5 APPLIED VOLTAGE V DVDD -0.3 4.5 VAIN -0.3 AVDD+0.3 INPUT VOLTAGE V VDIN -0.3 DVDD+0.3 STORAGE TEMPERATURE RANGE Tstg -55 125 POWER DISSIPATION Pd 304 mW Ambient temperature reduces a permission loss by 3.1mW per case more than 25 degrees Celsius, 1 degree Celsius. Recommended Operating conditions RATING PARAMETER SYMBOL UNIT MIN TYP MAX AVDD 2.5 3.0 3.3 V APPLIED VOLTAGE DVDD 1.7 3.0 3.3 V OPERATINGTEMPERATURE RANGE Topr -40 25 85 www.rohm.com 2009.04 - Rev.B 1/16 2009 ROHM Co., Ltd. All rights reserved. Technical Note BU21008MUV Electrical characteristics(Especially, Topr=25 and AVDD=DVDD=0 as long as it doesn t specify it.) RATING PARAMETER SYMBOL UNIT Condition MIN TYP MAX H INPUT VOLTAGE VIHIODVDDx0.8 - DVDD+0.3V L INPUT VOLTAGE VILIO DVSS-0.3 - DVDDx0.2 V Output voltage VOHIO DVDD-0.7 - DVDD V IOH=-2 mA . Overshoot is excluded. AVSS 0.5 VOLLED - IOL=8 mA . Undershoot is excluded. LED output. IOL=3 mA . Undershoot is 0.5 DVDD > 2 V VOLTXD DVSS - excluded. SDA/TXD Output voltage V DVDDx0.3 DVDD 2 V application. IOL=2 mA . Undershoot is excluded. INT VOLINT DVSS - 0.5 application. Input leakage current IIZ -1 - 1 A Off leakage current IOZ -1 - 1 A Standby current IST - - 2 A Shutdown (SDNL) Current of operation IDD - 300 - A A/D Converter RATING PARAMETER SYMBOL UNIT Condition MIN TYP MAX Resolution - 10 - bit Analog Input voltage VAIN AVSS - AVDD V change clock frequency fadck 0.2 - 2.0 MHz change time ftim - 77 - sec fadck = 1 MHz Zero scale voltage - - AVSS+0.07 V full scale voltage AVDD-0.07 - - V differential Non line accurate DNL - - 3 LSB Integrate Non line accurate INL - - 3 LSB CR Oscillator characteristic RATING PARAMETER SYMBOL UNIT Condition MIN TYP MAX Frequency Oscillation fcr 0.4 0.8 2.0 MHz www.rohm.com 2009.04 - Rev.B 2/16 2009 ROHM Co., Ltd. All rights reserved.