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Crystal Oscillator
5076 series
VCXO Module IC with Built-in Varicap
Description

The 5076 series are miniature VCXO ICs that provide a wide frequency pulling range, even when using miniature crystal units for which a wide pulling range is difficult to provide. They employ a recently developed varicap diode fabrication process that provides a wide frequency pulling range and good linearity without any external components. Also, they employ a regulated voltage drive oscillator circuit that significantly reduces current consumption, crystal current, and oscillation characteristics supply voltage dependency. The 5076 series are ideal for miniature, wide pulling range, low power consumption, VCXO modules.

Block Diagram
5076block.gif
Features
· VCXO with recently developed varicap diode built-in
· New fabrication process that significantly reduces parasitic capacitance and provides wide pulling range even when using miniature crystal units
· Regulated voltage drive oscillator circuit for reduced power consumption, crystal drive current, and oscillation characteristics voltage dependency
· Wide frequency pulling range: ±160ppm(B1 version, f=27MHz)
(Crystal: γ=300, C0=1.5pF)
· Operating supply voltage range: 1.6V to 2.0V
· Oscillation frequency range(for fundamental oscillation): 20MHz to 55MHz(varies with version)
· Low current consumption: 0.5mA(B1 version, f=27MHz, no load, VDD=1.8V)
· Frequency divider built-in
Selectable by version: fO, fO/2, fO/4, fO/8, fO/16
Frequency divider output for 1.3MHz(min) low frequency output
· VC pin input resistance: 10MΩ(min)
· CMOS output
· Two types of pad layout selectable by mounting method
Ax version: for Flip Chip Bonding
Bx version: for Wire Bonding
· Package: Wafer form, Chip form
Applications
·2.5×2.0mm, 3.2×2.5mm size miniature VCXO modules for digital mobile TV tuner, digital TV(PDP, LCD), PND(Personal Navigation Device), etc.
Further Details
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