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PDF VT83027 Data sheet ( Hoja de datos )
| Número de pieza | VT83027 | |
| Descripción | 27MHz/ 3.3V VCXO (Voltage-Controlled Crystal Oscillator) | |
| Fabricantes | Vaishali Semiconductor | |
| Logotipo |  |
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VT83027
27MHz, 3.3V VCXO
(Voltage-Controlled Crystal Oscillator)
Applications
•= Set-top boxes
•= Telecom switching
•= HDTV
•= MPEG Video clock source
General Description
The Vaishali VT83027 is a single-chip, integrated VCXO and Phase Locked Loop (PLL) clock synthesizer.
The device uses the VCXO and an analog Phase-Locked Loop (PLL) to accept a 13.5 MHz, 14 pF (pull
range of 200 ppm) crystal input, and produce a 27 MHz output. A 0 to 3V control signal is used to fine tune
the output clock frequency in the ±100ppm range.
Features
•= 3.3V supply operation
•= Low jitter PLL Clock Synthesizer
−= Zero ppm synthesis error
•= Uses inexpensive pullable crystal
•= ±12mA drive capability
•= On-chip oscillator with 200 ppm pull
range (±100 ppm)
•= 8 pin SOIC package
Figure 1. Functional Block Diagram
Figure 2. Pin Configuration
VIN
X2
13.5 MHz
Pullable
Crystal
X1
VDD1
VDD2
Load Cap
Control
Load
Caps
Low
Phase
osc Noise
PLL
Output
Buffer
GND1
GND2
CLK1
X1
VDD1
VIN
GND2
VT83027
18
27
X2
GND1
3 6 VDD2
4 5 CLK
8 pin (150 mil) SOIC
2001-04-17
Vaishali Semiconductor
Page 1
www.vaishali.com
747 Camden Avenue, Suite C Campbell CA 95008
Ph. 408.377.6060
MDST-0003-03
Fax 408.377.6063
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet VT83027.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| VT83027 | 27MHz/ 3.3V VCXO (Voltage-Controlled Crystal Oscillator) | Vaishali Semiconductor |
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