The 5076 series of miniature VCXO ICs 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 varactor 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.
Key Features
VCXO with efficient integrated varactor
Regulated voltage drive oscillator circuit for reduced power consumption, crystal drive current, and oscillation frequency stability versus supply voltage
Wide frequency pulling range: ±160ppm(B1 version, f=27 MHz)
(Crystal: γ=300, C0=1.5pF)
Operating supply voltage range: 1.6V to 2.0V
Oscillation frequency range(for fundamental oscillation): 20 MHz to 55 MHz(varies with version)
Low current consumption: 0.5mA(B1 version, f=27 MHz, no load, VDD=1.8V)
Frequency divider built-in
Selectable by version: f0, f0/2, f0/4, f0/8, f0/16
Frequency divider output for 1.3 MHz(min) low frequency output
VC pin input resistance: 10MOhm(min)
CMOS output
Two types of pad layout selectable by mounting method
CF5076.pdf