• Part: BU21051FS
  • Description: Capacitive Sensor Switch Controller
  • Manufacturer: ROHM
  • Size: 298.42 KB
Download BU21051FS Datasheet PDF
ROHM
BU21051FS
BU21051FS is Capacitive Sensor Switch Controller manufactured by ROHM.
Description BU21051FS are the capacitive sensor controller with 2ch respectively. The IC has the port interface and easy to replace the point of switch to this controller. No.09048EBT05 - Features 1) Port output interface .. 2) Few software control 3) 2ch GPIO outputs 4) 5V power supply voltage available 5) Integrated 10bit AD converter, clock and reset 6) Package SSOP-A16 - 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 -55 500 MAX 7.0 7.0 AVDD + 0.3 DVDD + 0.3 125 UNIT V V ℃ m W Ambient temperature reduces a permission loss by 5m 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. 1/6 - Rev.B - Electrical characteristics(Especially, Topr=25℃ and AVDD=DVDD=0 as long as it doesn't specify it.) RATING PARAMETER 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 VIHIO VILIO VOL IIZ IOZ IST IDD DVDD x 0.9 GND - 0.2 GND -1 -1 500 DVDD + 0.2 DVDD x 0.1 DVDD x 0.2 1 1 2 V V V μA μA μA u A Technical Note Condition IOH = -2[m A]. Overshoot is excluded. Shutdown (SDN=“L”) - A/D Converter PARAMETER .. SYMBOL RATING MIN GND 0.2 AVDD - 0.07 TYP 10 13 MAX AVDD 1.0 GND + 0.07 ±3 ±3 UNIT bit V MHz Condition Resolution Analog Input voltage Change clock frequency Change time Zero scale voltage Full scale voltage Differential non line accurate Integrate non line accurate DNL INL VAIN fadck ftim μsec fadck = 1[MHz] V V LSB LSB - - CR Oscillator characteristic PARAMETER Oscillation Frequency...