Application Example, Controller | Fujitsu MB15F74UV specification

MB15F74UV

■APPLICATION EXAMPLE

	1000 pF				Controller
	TCXO				Controller
				(divide ratio setting)
			OSCIN	Clock	Data	LE
OUTPUT								OUTPUT
	GND							OUTPUT
	GND	1	18	17	16	15
		1	18	17	16	15
	1000 pF					finRF	1000 pF
							1000 pF
		2
	finIF	2				14
	finIF
	XfinIF	3				13
		3				13		VCO
VCO	1000 pF			MB15F74UV		XfinRF	1000 pF	VCO
VCO				MB15F74UV			1000 pF
		4				12
	GNDIF					GNDRF	VCCRF
LPF		5				11	VCCRF	LPF
								LPF
	VCCIF
	VCCIF					VCCRF	0.1 ∝F
		6	7	8	9	10
	DoIF					DoRF
	VCCIF
			PSIF		LD/	PSRF
					fout
	0.1 ∝F

Lock Detect

Note : Clock, Data, LE : The schmitt trigger circuit is provided (insert a pull-down or pull-up registor to prevent oscillation when open-circuit in the input) .

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Image 22

Fujitsu MB15F74UV manual Application Example, Controller

Contents

Package FeaturesDescription Pin plastic BCC LCC-18P-M05 MB15F74UV PIN Assignments PIN Description Pin no Descriptions Block Diagram MB15F74UV Absolute Maximum Ratings Parameter Symbol Rating Unit MinParameter Symbol Value Unit Remarks Min Typ Recommended Operating Conditions Parameter Symbol Condition Electrical CharacteristicsMin Typ V ≤ V do ≤ V CC − 0.5 Current rate Vs Ta Parameter Symbol Condition Value Unit Min TypCharge pump Vs V do −40 C ≤ Ta ≤ 85 C Programmable Reference Counter Functional DescriptionProgrammable R10 R11 R12 R13 R14 Divide ratio N11 N10 Data settingDivide ratio R14 R13 R12 R11 R10 Divide ratio Current value Phase comparator input FC IF, RF = Do IF, Do RFDivide ratio SW = LD/fout pin state Power Saving Mode Intermittent Mode Control Circuit Status PS pin Parameter Min Typ Max Unit 100 LD Output Logic Phase Comparator Output WaveformFC bit = IF-PLL section RF-PLL section LD output Controller Divide ratio setting Oscilloscope Fin input sensitivity Typical CharacteristicsCatalog guaranteed range RF-PLL input sensitivity vs. Input frequency Sensitivity Oscin input sensitivityInput sensitivity vs. Input frequency Input MA mode Charge pump output current IDO mA Charge pump output voltage VDO FinIF input impedance Fin input impedanceFinRF input impedance Oscin input impedance Oscin input impedance Reference Information PLL Phase NoisePLL Reference Leakage Mkr x 439.99764 ∝s 50.0009 MHz Application Example Controller Ordering Information Usage PrecautionsPart number Package Remarks Package Dimension Fujitsu Limited C18058S-c-1-1 Dimensions in mm inches Fujitsu Limited F0401