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Part Number: ICS3727XP
Description: The ICS3727XP combines the functions of a VCXO (Voltage Controlled Crystal Oscillator) and PLL (Phase-...


Description: The ICS3727XP combines the functions of a VCXO (Voltage Controlled Crystal Oscillator) and PLL (Phase-...
The ICS3727XP combines the functions of a VCXO (Voltage Controlled Crystal Oscillator) and PLL (Phase-Locked Loop) frequency doubler onto a single chip. It is designed primarily for data and clock recovery applications within end products such as set-top box receivers.
The ICS3727XP exhibits a moderate VCXO gain of 200 ppm/V typical, when used with a high quality external pullable quartz crystal.
The frequency of the on-chip VCXO is adjusted by an external control voltage input into pin VIN. Because 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.
|
Item |
Rating |
| Supply Voltage, VDD | 7 V |
| All Inputs and Outputs | -0.5 V to VDD+0.5 V |
| Ambient Operating Temperature | 0 to +70 |
| Storage Temperature | -65 to +150 |
| Soldering Temperature | 260 |
• ICS3727XP offers 24 to 36 MHz output frequency range (output frequency = 2x crystal frequency) and improved power supply noise rejection
• Uses an inexpensive 12 to 18 MHz external crystal
• Ideal for DV CODEC applications using 27 MHz external pullable crystal with extended pull range to generate locked 27 MHz clock transport video clock
• On-chip VCXO with guaranteed pull range of ±200 ppm minimum
• VCXO input tuning voltage 0 to 3.3 V
• Packaged in 8-pin SOIC (150 mil wide)
ICS1493-17
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