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PDF VT83201S1 Data sheet ( Hoja de datos )
| Número de pieza | VT83201S1 | |
| Descripción | 3.3V Low Phase Noise VCXO Voltage-Controlled Crystal Oscillator and PLL Clock Synthesizer | |
| Fabricantes | Vaishali Semiconductor | |
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VT83201
3.3V Low Phase Noise VCXO
(Voltage-Controlled Crystal Oscillator)
and PLL Clock Synthesizer
Applications
•= DSL clock source
•= Set-top boxes
•= Telecom switching
•= MPEG Video clock source
•= HDTV
General Description
The Vaishali VT83201 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 10 MHz to 20 MHz, 30pF
(pull range of 200 ppm) crystal input, in order to produce either one or two output clocks. A 0 to 3V control
signal is used to fine tune the output clock frequency in the ±100ppm range. Select inputs S0 and S1 are
used for frequency and output selection.
Features
•= 3.3V supply operation
•= Packaged in 16-pin SOIC package
•= Replaces separate VCXO and multiplier
•= Uses inexpensive pullable crystal
•= On-chip VCXO with 200 ppm pull range (±100 ppm)
•= 5V-tolerant control inputs
•= Zero ppm synthesis error in both
clocks
Figure 1. Functional Block Diagram
VDD1
VDD2
VIN
X2
10-20 MHz
Pullable
Crystal
Load Cap Control
Load
Caps
Low
osc Phase
Noise
PLL
X1
S1:S0
Output
Buffer
CLK1
Output
Buffer
OE
CLK2
2001-04-12
Page 1
MDST-0011-01
www.vaishali.com
Vaishali Semiconductor 747 Camden Avenue, Suite C Campbell CA 95008 Ph. 408.377.6060 Fax 408.377.6063
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet VT83201S1.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| VT83201S1 | 3.3V Low Phase Noise VCXO Voltage-Controlled Crystal Oscillator and PLL Clock Synthesizer | Vaishali Semiconductor |
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