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PDF BU2396KN Data sheet ( Hoja de datos )
| Número de pieza | BU2396KN | |
| Descripción | 3ch Clock Generator | |
| Fabricantes | ROHM Semiconductor | |
| Logotipo |  |
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Datasheet
3ch Clock Generator for Digital Cameras
BU2396KN
General Description
This clock generator IC is 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 becoming 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
Key Specifications
Supply Voltage Range
Operating Temperature Range
Reference Input Clock
Output CCD Clock
Output USB Clock
Output VIDEO Clock
BU2396KN
3.0V to 3.6V
-5°C to +70°C
12.000000MHz
36.000000MHz
30.000000MHz
24.000000MHz
12.000000MHz
27.000000MHz
Package
VQFN20
W(Typ) x D(Typ) x H(Max)
4.20mm x 4.20mm x 0.95mm
Applications
Clock generator used in digital still camera and digital
video camera systems
Typical Application Circuit
00..11µuFF
for Video
27.000000MHz
for USB
12.000000MHz
1：AVDD
00.1.1µuFF
2：AVDD
3：AVSS
4：XIN
R 5：XOUT
BU2396KN
VQFN-20
15：VDD1
14：VDD1
13：VSS1
12：VCLK_EN
11：TGCLK
00..11µuFF
for CCD
36.000000MHz
30.000000MHz
24.000000MHz
(Note) We believe that this circuit is to be recommended. However, to use it, make further thorough check for the characteristics.
○Product structure：Silicon monolithic integrated circuit
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・14・001
○This product has no designed protection against radioactive rays
1/20
TSZ02201-0E3E0J500710-1-2
04.Nov.2015 Rev.001
1 page  
BU2396KN
Typical Performance Curves
(Basic Data)
5.0nsec/div
Figure 1. 36MHz Output Waveform
(At VDD=3.3V and CL=15pF)
RBW=1KHz
VBW=100Hz
500psec/div
Figure 2. 136MHz Period-Jitter
(At VDD=3.3V and CL=15pF)
10KHz/div
Figure 3. 36MHz Spectrum
(At VDD=3.3V and CL=15pF)
5.0nsec/div
Figure 4. 30MHz Output Waveform
(At VDD=3.3V and CL=15pF)
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
5/20
TSZ02201-0E3E0J500710-1-2
04.Nov.2015 Rev.001
5 Page 
BU2396KN
Typical Performance Curves – continued
600
500
400
300
200
VDD=2.9V
VDD=3.3V
VDD=3.7V
100
0
-25
0
25 50 75 100
TeTemmppeeraattuurere: ：TaT[°℃C]]
Figure 24. Period-Jitter MIN-MAX vs Temperature
(24MHz)
55
54
53
52
51
50
49
48
47
46
45
-25
0
VDD=2.9V
VDD=3.3V
VDD=3.7V
25 50 75 100
TTeemmppeerartautreur:eT：aT[°[C℃] ]
Figure 25. Duty vs Temperature
(27MHz)
100
90
80
70 VDD=3.7V
60 VDD=3.3V
50 VDD=2.9V
40
30
20
10
0
-25 0 25 50 75 100
TTeemmppeerartautruer:eT：aT[°[C℃] ]
Figure 26. Period-Jitter 1σ vs Temperature
(27MHz)
600
500
400
300
200
VDD=3.7V
VDD=3.3V
VDD=2.9V
100
0
-25
0 25 50 75
TTeemmppereartaurteu:reTa：T[°[C℃] ]
100
Figure 27. Period-Jitter MIN-MAX vs Temperature
(27MHz)
www.rohm.com
© 2015 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
11/20
TSZ02201-0E3E0J500710-1-2
04.Nov.2015 Rev.001
11 Page | ||
| Páginas | Total 24 Páginas | |
| PDF Descargar | [ Datasheet BU2396KN.PDF ] | |
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