CF5037 Просмотр технического описания (PDF) - Nippon Precision Circuits
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CF5037 Datasheet PDF : 10 Pages
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CF5037 series
2.5V LVDS Output Oscillator ICs
OVERVIEW
The CF5037 series are 2.5V operation, LVDS output oscillator ICs. They support 80MHz to 250MHz 3rd over-
tone oscillation and 80MHz to 700MHz fundamental oscillation. The CF5037 series can be used to construct
high-frequency LVDS output oscillators.
FEATURES
I 2.375 to 3.6V operating supply voltage range
I Operating frequency range (varies with version)
• 80MHz to 700MHz fundamental oscillation
• 80MHz to 250MHz 3rd overtone oscillation
I – 40 to 85°C operating temperature range
I LVDS output
I Standby function
• Outputs are high impedance when OE is LOW.
(oscillator stops)
I Power-saving pull-up resistor built-in (pin OE)
I BiCMOS process
I Chip form (CF5037××)
SERIES CONFIGURATION
Version
Oscillation mode
Recommended operating
frequency range*1 [MHz]
Output frequency
CF5037A1
80 to 120
fO
CF5037B1
CF5037B2 *2
Fundamental
or
100 to 180
fO
fO/2
CF5037C1
3rd overtone
150 to 250
fO
CF5037C2
f O /2
CF5037D1
(CF5037D2)
250 to 400
fO
f O /2
(CF5037E1)
Fundamental
400 to 600
fO
(CF5037E2)
f O /2
(CF5037F1)
(CF5037F2)
600 to 700
fO
f O /2
(CF5037V1)
Oscillator constants determined
fO
by external components
80 to 400
(CF5037V2)
(Rf, CXIN, CXOUT)
f O /2
*1. The recommended operating frequency is a yardstick value derived from the crystal used for NPC characteristics authentica-
tion. However, the oscillator frequency band is not guaranteed. Specifically, the characteristics can vary greatly due to crystal
characteristics and mounting conditions, so the oscillation characteristics of components must be carefully evaluated.
*2. Minimum output frequency: 80MHz
Note. These versions in parentheses ( ) are under development. Please ask our Sales & Marketing section for further detail.
ORDERING INFORMATION
Device
CF5037××–1
Package
Chip form
SEIKO NPC CORPORATION —1
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