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726ATLFT

Part Number	726ATLFT
Manufacturer	Renesas
Description	12 TO 36 MHZ 6TSOT VCXO
Published	Jan 22, 2021
Detailed Description	12 TO 36 MHZ 6TSOT VCXO DATASHEET ICS726A Description Used in conjunction with an external pullable quartz crystal, th...
Datasheet	726ATLFT PDF File

Overview

12 TO 36 MHZ 6TSOT VCXO DATASHEET 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 X1 12-36MHz Pullable Crystal X2 Voltage Controlled Crystal Oscillator 12-36MHz GND IDT® 12 TO 36 MHZ 6TSOT VCXO 1 ICS726A REV E 021312 ICS726A 12 TO 36 MHZ 6TSOT VCXO Pin Assignment X2 1 GND 2 CLK 3 6 X1 5 VIN 4 VDD TSOT- 2 3- 6 VCXO 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.
External Component Selection The ICS726A requires a minimum number of external components for proper operation.
Decoupling Capacitor A decoupling capacitor of 0.
01µF must be connected between VDD (pin 4) and GND (pin 2), as close to these pins as possible.
For optimum device performance, the decoupling capacitor should be mounted on the comp...

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