BU21050FS Datasheet | ROHM

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 Applied voltage Input voltage Storage temperature range Power dissipation SYMBOL AVDD DVDD VAIN VDIN Tstg Pd RATING MIN -0.3 -0.3 -0.3 -0.3 -55 760 MAX 7.0 7.0 AVDD + 0.3 DVDD + 0.3 125 No.09048EBT01 UNIT V V ℃ m W Ambient temperature reduces a permission loss by 7.6m W per case more than 25 degrees Celsius, 1 degree Celsius - Remended Operating conditions PARAMETER Applied voltage Operating temperature range SYMBOL AVDD DVDD Topr RATING MIN 4.5 4.5 -40 TYP 5.0 5.0 25 MAX 5.5 5.5 85 UNIT V V ℃ .rohm. © 2009 ROHM Co., Ltd. All rights reserved. 1/7 - Rev.B - Electrical characteristics(Especially, Topr=25℃ and AVDD=DVDD=0 as long as it doesn't specify it.) Rating Item Symbol Unit Min Typ Max DC characteristics Input“H”voltage Input“L”voltage Output“H”voltage Output“L”voltage Input leakage current Output leakage current Standby current Operation current VIHIO VILIO VOL IIZ IOZ IST IDD DVDD x 0.9 GND - 0.2 GND -1 550 DVDD + 0.2 DVDD x 0.1 DVDD DVDD x 0.2 1 1 2 V V V V μA μA μA u A Technical Note Condition VOHIO DVDD x 0.8 IOH = -2[m A].Overshoot is excluded. IOL = 2[m A].Undershoot is excluded. Shutdown (SDN=“L”) - A/D Converter .. 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 - CR Oscillator characteristic VAIN fadck ftim DNL INL MIN GND 0.2 AVDD - 0.07 - RATING TYP 10 13 - MAX AVDD 2.0 GND + 0.07...