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BU2394KN-E2 데이터시트(PDF) 1 Page - Rohm |
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BU2394KN-E2 데이터시트(HTML) 1 Page - Rohm |
1 / 25 page ○Product structure:Silicon monolithic integrated circuit ○This product has no designed protection against radioactive rays 1/21 TSZ02201-0E3E0J500700-1-2 © 2015 ROHM Co., Ltd. All rights reserved. TSZ22111・14・001 www.rohm.com 04.Nov.2015 Rev.001 3ch Clock Generator for Digital Cameras BU2394KN General Description This clock generator IC produces three types of clocks for CCD, USB, and VIDEO. These clocks are necessary for digital still camera systems and digital video camera systems. These are contained in a single chip with the use of the PLL technology. Generating these clocks with a single chip allows for simplified design of the clock system. It occupies less space and reduced number of components used for mobile camera equipment which is increasingly being downsized and less costly. Features Connecting a crystal oscillator generates multiple clock signals with a built-in PLL. The CCD clock provides switching selection outputs. Providing the output of low period-jitter clock. Uses compact package VQFN20 which makes it suitable for mobile devices. Single power supply of 3.3V Applications Generation of clocks used in digital still camera and digital video camera systems Key Specifications BU2394KN Supply Voltage Range 3.0V to 3.6V Operating Temperature Range -5°C to +70°C Reference Input Clock 14.318182MHz 28.636363MHz Output CCD Clock 135.000000MHz 110.000000MHz 108.000000MHz 98.181818MHz Output USB Clock 48.008022MHz Output VIDEO Clock 14.318182MHz 17.734450MHz Package W(Typ) x D(Typ) x H(Max) VQFN20 4.20mm x 4.20mm x 0.95mm Typical Application Circuit (Note) We believe that this circuit is to be recommended. However, to use it, make further thorough check for the characteristics. for CCD 135.000000MHz 110.000000MHz 108.000000MHz 98.181818MHz for Video 14.318182MHz 17.734450MHz for USB 48.008022MHz R 0.1uF 0.1uF 0.1uF BU2394KN VQFN-20 1:AVDD 2:AVDD 3:AVSS 4:XIN 5:XOUT 15:VDD1 14:VDD1 13:VSS1 12:CLK2ON 11:CLK1OUT 0.1µF 0.1µF 0.1µF Datasheet Datasheet |
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