Fujitsu MB15F74UV Manuale Utente

DS04-21381-1EFUJITSU SEMICONDUCTORDATA SHEETASSPDual Serial InputPLL Frequency SynthesizerMB15F74UV DESCRIPTIONThe Fujitsu MB15F74UV is a serial in

MB15F74UV10• Prescaler Data Setting• Charge Pump Current Setting•LD/fout output Selectable Bit Setting• Phase Comparator Phase Switching Data Setting

MB15F74UV113. Power Saving Mode (Intermittent Mode Control Circuit) The intermittent mode control circuit reduces the PLL power consumption.By settin

MB15F74UV124. Serial Data Data Input TimingDivide ratio is performed through a serial interface using the Data pin, Clock pin, and LE pin.Setting data

MB15F74UV13 PHASE COMPARATOR OUTPUT WAVEFORM• LD Output LogicNotes : • Phase error detection range = −2π to +2π • Pulses on DoIF/RF signals during

MB15F74UV14 TEST CIRCUIT (for Measuring Input Sensitivity fin/OSCIN) LD/foutDoIFVCCIF1000 pF0.1 µF0.1 µFPSIFGNDIFfinIFXfinIFGNDOSCINDoRFVCCRFPSRFG

MB15F74UV15 TYPICAL CHARACTERISTICS1.fin input sensitivity101500 2000 2500 3000 3500 4000 4500 5000VCC = 2.7 VVCC = 3.0 VVCC = 3.6 VSPEC0−10−20−30−

MB15F74UV162.OSCIN input sensitivity100 20 40 80 100 140 160VCC = 2.7 VVCC = 3.0 VVCC = 3.6 VSPEC0−10−20−30−40−5060 120Catalog guaranteed rangeInput s

MB15F74UV173. RF/IF-PLL Do output current • 1.5 mA mode• 6.0 mA mode2.500.50−2.501.0 3.00.0 2.00.5 2.51.52.00−1.001.50−1.501.00−2.000.00−0.50VCC = 2.

MB15F74UV184.fin input impedance494.28 Ω−874.84 Ω200 MHz58.094 Ω−216.47 Ω1 GHz39.773 Ω−148 Ω1.5 GHz1 : 2 : 3 : START 100.000 000 MHz STOP 2 000.000 00

MB15F74UV195. OSCIN input impedanceOSCIN input impedance2.25 kΩ−2.2373 kΩ10 MHz881.62 Ω−1.8299 kΩ20 MHz448.75 Ω−1.353 kΩ30 MHz1 : 2 : 3 : START 3.000

MB15F74UV2(Continued)• Direct power saving function : Power supply current in power saving mode Typ 0.1 µA (VCC = 3.0 V, Ta = +25 °C at 1 system) Max

MB15F74UV20 REFERENCE INFORMATION (for Lock-up Time, Phase Noise and Reference Leakage) (Continued)Test CircuitS.G.OSCINfinDoLPFVCOSpectrumAnalyze

MB15F74UV21(Continued)2.173604000 GHz2.173600000 GHz2.173596000 GHz4.500 ms2.000 msA Mkr x: 439.99764 µsy: 50.0009 MHz-500 µs500 µs/div2.113604000 GH

MB15F74UV22 APPLICATION EXAMPLELD/foutDoIFVCCIF1000 pF0.1 µF0.1 µFPSIFGNDIFfinIFXfinIFGNDOSCINDoRFVCCRFPSRFGNDRFXfinRFfinRFLEDataClock1000 pF1000 p

MB15F74UV23 USAGE PRECAUTIONS (1) VCCRF and VCCIF must be equal voltage. Even if either RF-PLL or IF-PLL is not used, power must be supplied to VC

MB15F74UV24 PACKAGE DIMENSION18-pin plastic BCC (LCC-18P-M05) Dimensions in mm (inches) Note : The values in parentheses are reference values.C2003

MB15F74UVFUJITSU LIMITEDAll Rights Reserved.The contents of this document are subject to change without notice. Customers are advised to consult with

MB15F74UV3 PIN DESCRIPTIONPin no.Pin nameI/O Descriptions1GND Ground pin for OSC input buffer and the shift register circuit.2finIF IPrescaler inp

MB15F74UV4 BLOCK DIAGRAM(10)ClockDataLEPSRFXfinRFfinRFOSCINfinIFPSIFVCCIF GNDIFfpIFDoIFLDIFT1 T2T1 T2FCRFSWRFLDSDoRFORLD/foutLDfrIFfrRFfpIFfpRFfrIF

MB15F74UV5 ABSOLUTE MAXIMUM RATINGSWARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current, temperatur

MB15F74UV6 * ELECTRICAL CHARACTERISTICS (VCC = 2.7 V to 3.6 V, Ta = −40 °C to +85 °C)(Continued)Parameter Symbol ConditionValueUnitMin Typ MaxPowe

MB15F74UV7(Continued) (VCC = 2.7 V to 3.6 V, Ta = −40 °C to +85 °C)*1 : Conditions ; fosc = 12.8 MHz, Ta = +25 °C, SW = “0” in locking state.*2 : VCCI

MB15F74UV8 FUNCTIONAL DESCRIPTION1. Pulse swallow functionfVCO = [ (P × N) + A] × fOSC ÷ R fVCO : Output frequency of external voltage controlled

MB15F74UV9 (2) Data setting•Binary 14-bit Programmable Reference Counter Data Setting Note : Divide ratio less than 3 is prohibited.•Binary 11-bit Pro