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LANSDALE Semiconductor - (ML145151 - ML145158) Parallel-Input PLL Frequency Synthesizer Interfaces

Numéro de référence ML145158
Description (ML145151 - ML145158) Parallel-Input PLL Frequency Synthesizer Interfaces
Fabricant LANSDALE Semiconductor 
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ML145158 fiche technique
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ML145151 ML145156
ML145152 ML145157
ML145155 ML145158
PLL Frequency Synthesizer Family - CMOS
The devices described in this document are typically used as low–power, phase–locked loop frequency
synthesizers. When combined with an external low–pass filter and voltage–controlled oscillator, these
devices can provide all the remaining functions for a PLL frequency synthesizer operating up to the
device's frequency limit. For higher VCO frequency operation, a down mixer or a prescaler can be used
between the VCO and the synthesizer IC.
These frequency synthesizer chips can be found in the following and other applications:
CATV
TV Tuning
AM/FM Radios
Scanning Receivers
Two–Way Radios
Amateur Radio
OSC ÷R
CONTROL LOGIC
φ
÷ A ÷N
÷ P/P + 1
VCO
OUTPUT
FREQUENCY
EXTERNAL
COMPONENTS
CONTENTS
Page
DEVICE DETAIL SHEETS
ML145151 Parallel–Input, Single–Modulus ...........................................................................................2
ML145152 Parallel–Input, Dual–Modulus..............................................................................................5
ML145155 Serial–Input, Single–Modulus ..............................................................................................9
ML145156 Serial–Input, Dual–Modulus...............................................................................................13
ML145157 Serial–Input, Single–Modulus ............................................................................................17
ML145158 Serial–Input, Dual–Modulus...............................................................................................20
FAMILY CHARACTERISTICS
Maximum Ratings..................................................................................................................................23
DC Electrical Characteristics.................................................................................................................23
AC Electrical Characteristics.................................................................................................................25
Timing Requirements.............................................................................................................................26
Frequency Characteristics ......................................................................................................................27
Phase Detector/Lock Detector Output Waveforms................................................................................27
DESIGN CONSIDERATIONS
Phase–Locked Loop – Low–Pass Filter Design ....................................................................................28
Crystal Oscillator Considerations ..........................................................................................................29
Dual–Modulus Prescaling......................................................................................................................30
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ML145151 (ML145151 - ML145158) Parallel-Input PLL Frequency Synthesizer Interfaces LANSDALE Semiconductor
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ML145152 (ML145151 - ML145158) Parallel-Input PLL Frequency Synthesizer Interfaces LANSDALE Semiconductor
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ML145155 (ML145151 - ML145158) Parallel-Input PLL Frequency Synthesizer Interfaces LANSDALE Semiconductor
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ML145156 (ML145151 - ML145158) Parallel-Input PLL Frequency Synthesizer Interfaces LANSDALE Semiconductor
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