mk3732-17 Integrated Device Technology, mk3732-17 Datasheet

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mk3732-17

Manufacturer Part Number
mk3732-17
Description
Adsl Vcxo Clock Source
Manufacturer
Integrated Device Technology
Datasheet

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Part Number:
mk3732-17S
Quantity:
4
Part Number:
mk3732-17S
Manufacturer:
ICS
Quantity:
20 000
ADSL VCXO CLOCK SOURCE
Description
The MK3732-17 is a low cost, low jitter, high performance
VCXO and PLL clock synthesizer designed to replace
expensive VCXO modules and oscillators. The on-chip
Voltage Controlled Crystal Oscillator (VCXO) accepts a 0 to
3.3 V input voltage to cause the output clocks to vary by
+100 ppm. Using ICS’ patented VCXO and analog
Phase-Locked Loop (PLL) techniques, the device uses an
inexpensive pullable crystal input to produce one or two
output clocks.
The MK3732-17 is an upgrade to the MK3732-07, and is
recomended for new designs.
ICS manufactures the largest variety of xDSL clock
synthesizers for all applications. Consult ICS to eliminate
VCXOs, crystals, and oscillators from your board.
Block Diagram
IDT™ / ICS™ ADSL VCXO CLOCK SOURCE
Pullable
Crystal
S2:S0
VIN
X1
X2
3
Controlled
Oscillator
Voltage
Crystal
VDD
2
1
2
GND
Features
Packaged in 16 pin (150 mil) SOIC
Replaces a VCXO and oscillator
Ideal for Asymmetrical Digital Subscriber Line (ADSL)
chipsets
Uses an inexpensive pullable crystal
On-chip patented VCXO with pull range of 200 ppm (+
100 ppm) minimum
VCXO tuning voltage of 0 to 3.3 V
12 mA output drive capability at TTL levels
Advanced, low power, sub-micron CMOS process
Operating voltage of 3.3V
Industrial temperature range available
Synthesis
Circuitry
Clock
PLL/
OE
CLK1
CLK2
MK3732-17
DATASHEET
MK3732-17
REV D 050803

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mk3732-17 Summary of contents

Page 1

... ADSL VCXO CLOCK SOURCE Description The MK3732- low cost, low jitter, high performance VCXO and PLL clock synthesizer designed to replace expensive VCXO modules and oscillators. The on-chip Voltage Controlled Crystal Oscillator (VCXO) accepts 3.3 V input voltage to cause the output clocks to vary by +100 ppm. Using ICS’ ...

Page 2

... M 13.248 35.328 47 13.248 35.328 40 13.248 42.4 35.328 1 M 17.664 24.73 35.328 1 1 17.664 35.328 OFF 0 0 23.552 49.46 35.328 0 M 17.664 49.46 35.328 0 1 13.248 35.328 Off 1 0 13.248 2.208 Off 1 M 13.248 24.73 35.328 1 1 13.248 49.46 35.328 Pin Description MK3732-17 REV D 050803 ...

Page 3

... CL. To determine the value of the crystal capacitors: 1. Connect VDD of the MK3732-17 to 3.3V. Connect pin 4 of the MK3732-17 to the second power supply. Adjust the voltage on pin 4 to 0V. Measure and record the frequency of the CLK output ...

Page 4

... Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the MK3732-17. These ratings, which are standard values for ICS commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. ...

Page 5

... Units 0 3.3 V 430 kΩ Min. Typ. Max. Units 13.248 MHz See Table on Page 2 MHz 1 ±150 ps -124 dBc/Hz 0 ppm ±100 ppm 150 ppm/V Min. Typ. Max. Units °C/W 120 °C/W 115 °C/W 105 °C/W 58 MK3732-17 REV D 050803 ...

Page 6

... MK3732-17S MK3732-17STR MK3732-17S MK3732-17SI MK3732-17SI MK3732-17SITR MK3732-17SI While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems (ICS) assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No other circuits, patents, or licenses are implied ...

Page 7

... MK3732-17 ADSL VCXO CLOCK SOURCE Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 (outside U.S.) © ...

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