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Integrated Device Technology Electronic Components Datasheet



ICS726A

12 TO 36 MHZ 6TSOT VCXO


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12 TO 36 MHZ 6TSOT VCXO
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ICS726A
Description
Used in conjunction with an external pullable quartz crystal,
this monolithic integrated circuit replaces more costly
hybrid (canned) VCXO devices. The ICS726A is designed
primarily for data and clock recovery applications such as
ADSL modems, set-top box receivers, and telecom
systems.
The frequency of the on-chip VCXO is adjusted by an
external control voltage to the VIN pin. Since VIN is a high
impedance input, it can be driven directly from an PWM RC
integrator circuit. Frequency output increases with VIN
voltage input. The usable range of VIN is 0 to 3.3 V.
Features
Uses an inexpensive 12 to 36 MHz external crystal
Output frequency range of 12 to 36 MHz
On-chip VCXO with guaranteed pull range of ±115 ppm
minimum
VCXO tuning voltage 0 to 3.3 V
Packaged in 6-pin TSOT
Pb (lead) free package
Block Diagram
VDD
VIN
12-36MHz
Pullable
Crystal
X1
X2
Voltage
Controlled
Crystal
Oscillator
12-36MHz
GND
IDT™ / ICS™ 12 TO 36 MHZ 6TSOT VCXO
1
ICS726A
REV D 051310



No Preview Available !

ICS726A pdf
ICS726A
12 TO 36 MHZ 6TSOT VCXO
Pin Assignment
X2
GND
CLK
1
2
3
6 X1
5 VIN
4 VDD
TSOT- 2 3- 6
www.DataSheet4U.VcoCmXO
Pin Descriptions
Pin
Number
1
2
3
4
5
6
Pin
Name
X2
GND
CLK
VDD
VIN
XI
Pin
Type
Pin Description
Input Crystal connection. Connect to the external pullable crystal.
Power Connect to ground.
Output VCXO CMOS level clock output at the frequency of the crystal.
Power Connect to +3.3 V (0.01µf decoupling capacitor recommended).
Input Voltage input to VCXO — 0 to 3.3 V analog input which controls the
oscillation frequency of the VCXO.
Input Crystal connection. Connect to the external pullable crystal.
IDT™ / ICS™ 12 TO 36 MHZ 6TSOT VCXO
2
ICS726A
REV D 051310



Part Number ICS726A
Description 12 TO 36 MHZ 6TSOT VCXO
Maker Integrated Device Technology - Integrated Device Technology
Total Page 7 Pages
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