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BU2394KN-E2 데이터시트(PDF) 1 Page - Rohm

부품명 BU2394KN-E2
상세설명  3ch Clock Generator for Digital Cameras
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제조업체  ROHM [Rohm]
홈페이지  http://www.rohm.com
Logo ROHM - Rohm

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○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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