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| CF5005B Datasheet, PDF (1/7 Pages) Nippon Precision Circuits Inc – High-frequency Crystal Oscillator Module ICs | |||
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CF5005B series
High-frequency Crystal Oscillator Module ICs
OVERVIEW
The CF5005B series are high-frequency crystal oscillator module ICs. They are comprised of an oscillator cir-
cuit and output buffer optimized for operation at 125 to 165MHz. The crystal oscillator circuit has a built-in
thin-ï¬lm feedback resistor with good temperature characteristics and built-in capacitors with excellent fre-
quency response, making possible a stable 3rd overtone oscillator with only the addition of a crystal element.
FEATURES
I 3.0 to 3.6V operating supply voltage range
I 125 to 165MHz recommended operating fre-
quency range
I Inverter ampliï¬er feedback resistor built-in
I Oscillator capacitors CG , CD built-in
I Output three-state function (high impedance in
standby mode, oscillator stops)
I fO output frequency (oscillator frequency)
I 8mA output drive capability (VDD = 3.0V)
I CMOS output duty level
I Chip form (CF5005BÃÃ)
SERIES CONFIGURATION
Version
CF5005BLA
Recommended
operating frequency
range1 [MHz]
125 to 150
gm ratio
1.0
Built-in capacitance [pF]
CG
CD
1
6
Rf [kâ¦]
2.2
CF5005BLB
140 to 165
1.0
1
3
2.2
1. The recommended operating frequency is a yardstick value derived from the crystal used for NPC characteristics authentication. However, the
oscillator frequency band is not guaranteed. Speciï¬cally, when used at high frequencies, the characteristics can vary greatly due to crystal charac-
teristics and mounting conditions, so the oscillation characteristics of components must be carefully evaluated.
ORDERING INFORMATION
Device
CF5005BÃÃâ1
Package
Chip form
SEIKO NPC CORPORATION â1
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