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BU2394KN Datasheet(PDF) 1 Page - Rohm |
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BU2394KN Datasheet(HTML) 1 Page - Rohm |
1 / 17 page TECHNICAL NOTE High-performance Clock Generator Series 3ch Clock Generator for Digital Cameras BU2394KN,BU2396KN ●Description These clock generators are an IC generating three types of clocks – CCD, USB, and VIDEO clocks – necessary for digital still camera systems and digital video camera systems, with a single chip through making use of the PLL technology. Generating these clocks with a single chip allows for the simplification of clock system, little space occupancy, reduction in the number of components used for mobile camera equipment, which is becoming increasingly downsized and less costly. ●Features 1) Connecting a crystal oscillator generates multiple clock signals with a built-in PLL. 2) The CCD clock provides switching selection outputs. 3) Providing the output of low period-jitter clock. 4) Incorporating compact package VQFN20 most suited for mobile devices. 5) Single power supply of 3.3 V ●Applications Generation of clocks used in digital still camera and digital video camera systems ●Lineup BU2394KN BU2396KN Supply voltage 3.0V~3.6V 3.0V~3.6V Operating temperature range -5~+70℃ -5~+70℃ Reference input clock 14.318182MHz 12.000000MHz 28.636363MHz Output CCD clock 135.000000MHz 36.000000MHz 110.000000MHz 30.000000MHz 108.000000MHz 24.000000MHz 98.181818MHz Output USB clock 48.008022MHz 12.000000MHz Output VIDEO clock 14.318182MHz 17.734450MHz 27.000000MHz ●Absolute Maximum Ratings(Ta=25℃) Parameter Symbol Limit Unit Supply voltage VDD -0.5~7.0 V Input voltage VIN -0.5~VDD+0.5 V Storage Temperature range Tstg -30~125 ℃ Power dissipation PD 530 mW *1 Operating temperature is not guaranteed. *2 In the case of exceeding Ta = 25℃, 5.3mW should be reduced per 1℃. *3 The radiation-resistance design is not carried out. *4 Power dissipation is measured when the IC is mounted to the printed circuit board. Sep. 2008 |
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