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Analog Devices - 200 MHz Clock Generator PLL

Numéro de référence ADF4001
Description 200 MHz Clock Generator PLL
Fabricant Analog Devices 
Logo Analog Devices 





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ADF4001 fiche technique
a
200 MHz Clock Generator PLL
ADF4001
FEATURES
200 MHz Bandwidth
2.7 V to 5.5 V Power Supply
Separate Charge Pump Supply (VP) Allows Extended
Tuning Voltage in 5 V Systems
Programmable Charge Pump Currents
3-Wire Serial Interface
Hardware and Software Power-Down Mode
Analog and Digital Lock Detect
Hardware Compatible to the ADF4110/ADF4111/
ADF4112/ADF4113
Typical Operating Current 4.5 mA
Ultralow Phase Noise
16-Lead TSSOP
20-Lead LFCSP
GENERAL DESCRIPTION
The ADF4001 clock generator can be used to implement clock
sources for PLLs that require very low noise, stable reference
signals. It consists of a low noise digital PFD (phase frequency
detector), a precision charge pump, a programmable reference
divider, and a programmable 13-bit N counter. In addition, the
14-bit reference counter (R counter) allows selectable REFIN
frequencies at the PFD input. A complete PLL (phase-locked
loop) can be implemented if the synthesizer is used with an exter-
nal loop filter and VCO (voltage controlled oscillator) or
VCXO (voltage controlled crystal oscillator). The N minimum
value of 1 allows flexibility in clock generation.
APPLICATIONS
Clock Generation
Low Frequency PLLs
Low Jitter Clock Source
Clock Smoothing
Frequency Translation
SONET, ATM, ADM, DSLAM, SDM
AVDD
DVDD
FUNCTIONAL BLOCK DIAGRAM
VP CPGND
RSET
REFIN
CLK
DATA
LE
RFINA
RFINB
ADF4001
14-BIT
R COUNTER
14
R COUNTER
LATCH
24-BIT
INPUT REGISTER 22
FUNCTION
LATCH
SDOUT
N COUNTER
LATCH
13
13-BIT
N COUNTER
PHASE
FREQUENCY
DETECTOR
REFERENCE
CHARGE
PUMP
CP
LOCK DETECT
CURRENT
SETTING 1
CURRENT
SETTING 2
CPI3 CPI2 CPI1 CPI6 CPI5 CPI4
AVDD
SDOUT
MUX
HIGH Z
MUXOUT
REV. B
CE
AGND
DGND
M3 M2 M1
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
Fax: 781/461-3113
www.analog.com
© 2013 Analog Devices, Inc. All rights reserved.

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