PDF ADF5355 Data sheet ( Hoja de datos )

Número de pieza	ADF5355
Descripción	Microwave Wideband Synthesizer
Fabricantes	Analog Devices
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Data Sheet Microwave Wideband Synthesizer with Integrated VCO ADF5355 FEATURES GENERAL DESCRIPTION RF output frequency range: 54 MHz to 13,600 MHz Fractional-N synthesizer and integer-N synthesizer High resolution 38-bit modulus Phase frequency detector (PFD) operation to 125 MHz Reference frequency operation to 600 MHz Maintains frequency lock over −40°C to +85°C Low phase noise, voltage controlled oscillator (VCO) Programmable divide by 1, 2, 4, 8, 16, 32, or 64 output Analog and digital power supplies: 3.3 V Charge pump and VCO power supplies: 5 V, typical Logic compatibility: 1.8 V Programmable dual modulus prescaler of 4/5 or 8/9 Programmable output power level RF output mute function Analog and digital lock detect Supported in the ADIsimPLL design tool APPLICATIONS Wireless infrastructure (W-CDMA, TD-SCDMA, WiMAX, GSM, PCS, DCS, DECT) Point to point/point to multipoint microwave links Satellites/VSATs Test equipment/instrumentation Clock generation The ADF5355 allows implementation of fractional-N or integer-N phase-locked loop (PLL) frequency synthesizers when used with an external loop filter and an external reference frequency. The wideband microwave VCO design permits frequency operation from 6.8 GHz to 13.6 GHz at one radio frequency (RF) output. A series of frequency dividers at another frequency output permits operation from 54 MHz to 6800 MHz. The ADF5355 has an integrated VCO with a fundamental output frequency ranging from 3400 MHz to 6800 MHz. In addition, the VCO frequency is connected to divide by 1, 2, 4, 8, 16, 32, or 64 circuits that allow the user to generate RF output frequencies as low as 54 MHz. For applications that require isolation, the RF output stage can be muted. The mute function is both pin and software controllable. Control of all on-chip registers is through a simple 3-wire interface. The ADF5355 operates with analog and digital power supplies ranging from 3.15 V to 3.45 V, with charge pump and VCO supplies from 4.75 V to 5.25 V. The ADF5355 also contains hardware and software power-down modes. CE AVDD FUNCTIONAL BLOCK DIAGRAM AVDD DVDD VP RSET VVCO VRF REFINA REFIN B CLK DATA LE ×2 DOUBLER 10-BIT R COUNTER ÷2 DIVIDER DATA REGISTER FUNCTION LATCH INTEGER FRACTION MODULUS REG REG REG THIRD-ORDER FRACTIONAL INTERPOLATOR N COUNTER LOCK DETECT MULTIPLEXER CHARGE PUMP PHASE COMPARATOR VCO CORE ×2 ÷ 1/2/4/8/ 16/32/64 MUXOUT CREG1 CREG2 CPOUT OUTPUT STAGE OUTPUT STAGE VTUNE VREF VBIAS VREGVCO RFOUTB PDBRF RFOUTA+ RFOUTA– MULTIPLEXER ADF5355 AGND CPGND AGNDRF Figure 1. SDGND AGNDVCO Rev. A Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevices for itsuse,nor foranyinfringementsofpatentsor other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2014–2015 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com 1 page Data Sheet ADF5355 Parameter RFOUTA±/RFOUTB Supply Current Symbol IRFOUTx± Low Power Sleep Mode RF OUTPUT CHARACTERISTICS VCO Frequency Range RFOUTB Output Frequency RFOUTA+/RFOUTA− Output Frequency VCO Sensitivity Frequency Pushing (Open-Loop) Frequency Pulling (Open-Loop) Harmonic Content Second Third Fundamental VCO Feedthrough RF Output Power4 KV RF Output Power Variation RF Output Power Variation (over Frequency) Level of Signal with RF Output Disabled NOISE CHARACTERISTICS Fundamental VCO Phase Noise Performance Min 3400 6800 53.125 Typ 16 30 42 55 500 1000 15 15 0.5 30 −27 −22 −20 −12 −8 −55 +8 −3 1 −1 ±1 ±1 ±6 ±4 −60 −30 −15 −17 −116 −136 −138 −155 −113 −133 −135 −153 −110 −130 −132 −150 Max 20 35 50 70 6800 13600 6800 Unit Test Conditions/Comments RFOUTA± output stage is programmable; enabling RFOUTB draws negligible extra current mA −4 dBm setting mA −1 dBm setting mA 2 dBm setting mA 5 dBm setting µA Hardware power-down selected µA Software power-down selected MHz MHz MHz MHz/V MHz/V MHz MHz Fundamental VCO range 2× VCO output (RFOUTB) Voltage standing wave ratio (VSWR) = 2:1 RFOUTA+/RFOUTA− VSWR = 2:1 RFOUTB dBc dBc dBc dBc dBm dBc dBm dBm dBm dBm dB dB dB dB dBm dBm dBm dBm Fundamental VCO output (RFOUTA+) Divided VCO output (RFOUTA+) Fundamental VCO output (RFOUTA+) Divided VCO output (RFOUTA+) RFOUTB = 10 GHz RFOUTA+/RFOUTA− = 1 GHz; VCO frequency = 4 GHz RFOUTA+ = 1 GHz; 7.5 nH inductor to VRF RFOUTA+/RFOUTA− = 6.8 GHz; 7.5 nH inductor to VRF RFOUTB = 6.8 GHz RFOUTB = 13.6 GHz RFOUTA+/RFOUTA− = 5 GHz RFOUTB = 10 GHz RFOUTA+/RFOUTA− = 1 GHz to 6.8 GHz RFOUTB = 6.8 GHz to 13.6 GHz RFOUTA+/RFOUTA− = 1 GHz RFOUTA+/RFOUTA− = 6.8 GHz RFOUTB = 6.8 GHz RFOUTB = 13.6 GHz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz dBc/Hz VCO noise in open-loop conditions 100 kHz offset from 3.4 GHz carrier 800 kHz offset from 3.4 GHz carrier 1 MHz offset from 3.4 GHz carrier 10 MHz offset from 3.4 GHz carrier 100 kHz offset from 5.0 GHz carrier 800 kHz offset from 5.0 GHz carrier 1 MHz offset from 5.0 GHz carrier 10 MHz offset from 5.0 GHz carrier 100 kHz offset from 6.8 GHz carrier 800 kHz offset from 6.8 GHz carrier 1 MHz offset from 6.8 GHz carrier 10 MHz offset from 6.8 GHz carrier Rev. A \| Page 5 of 38 5 Page Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS –50 –70 –90 –110 –130 –150 –170 1k 10k 100k 1M 10M FREQUENCY OFFSET FROM CARRIER (Hz) Figure 4. Open-Loop VCO Phase Noise, 3.4 GHz 100M –50 –70 –90 –110 –130 –150 –170 1k 10k 100k 1M 10M FREQUENCY OFFSET FROM CARRIER (Hz) Figure 5. Open-Loop VCO Phase Noise, 5.0 GHz 100M –50 –70 –90 –110 –130 –150 –170 1k 10k 100k 1M 10M FREQUENCY OFFSET FROM CARRIER (Hz) Figure 6. Open-Loop VCO Phase Noise, 6.8 GHz 100M ADF5355 –50 –70 –90 –110 –130 –150 –170 1k 10k 100k 1M 10M FREQUENCY OFFSET FROM CARRIER (Hz) Figure 7. Open-Loop VCO Phase Noise, 8.0 GHz 100M –50 –70 –90 –110 –130 –150 –170 1k 10k 100k 1M 10M FREQUENCY OFFSET FROM CARRIER (Hz) Figure 8. Open-Loop VCO Phase Noise, 10.0 GHz 100M –50 –70 –90 –110 –130 –150 –170 1k 10k 100k 1M 10M FREQUENCY OFFSET FROM CARRIER (Hz) Figure 9. Open-Loop VCO Phase Noise, 13.6 GHz 100M Rev. A \| Page 11 of 38 11 Page

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