PDF HMC701LP6CE Data sheet ( Hoja de datos )

Número de pieza	HMC701LP6CE
Descripción	8 GHz 16-bit Fractional-N Synthesizer
Fabricantes	Hittite Microwave Corporation
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HMC701LP6CE v09.1112 8 GHz 16-BIT FRACTIONAL-N PLL Features • Fractional or Integer Modes • 8 GHz, 16-Bit RF N-Counter • 24-Bit Step Size Resolution, 3 Hz typ • Ultra Low Phase Noise 6 GHz, 50 MHz Ref. -103 / -110 dBc/Hz @ 20 kHz (Frac / Integer) • Reference Path Input: 200 MHz • 14-Bit Reference Path Divider Typical Applications • Base Stations for Mobile Radio (GSM, PCS, DCS, CDMA, WCDMA) • Wireless LANs, WiMax • Communications Test Equipment • Low Fractional Spurious • Reference spurs: -90 dBc typ • Auto and Triggered Sweeper Functions • Cycle Slip Prevention (CSP) for fast settling • Auxiliary Clock Source • 40 Lead 6x6 mm SMT Package: 36 mm² • CATV Equipment • FMCW Sensors • Automotive Radar • Phased-Array Systems Functional Diagram For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 1 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or [email protected] 1 page v09.1112 HMC701LP6CE 8 GHz 16-BIT FRACTIONAL-N PLL Table 3. Pin Description Pin No. 1 2 3 4 5 6 7 8 9 10, 20, 21, 26 11 12 13 14 15 16 17 18 19 22 23 24 Pin Name VCCPRS VCCOA VPPCP CP GNDCP GNDDRV VPPDRV VDDPD GNDPD N/C VDDPDV GNDPDV VDDPDR GNDPDR XREFP RVDD XSIN REFCAP RSTB DVDD GPO1 GPO2 PIn Type Supply Supply Supply Analog O/P GND GND Supply Supply GND N/C Supply GND Supply GND Analog I/P Supply Analog I/P Analog I/O CMOS I/P Supply DO DO 25 GPO3 DIO 27 SEN CMOS I/P 28 SDI CMOS I/P 29 SCK CMOS I/P 30 VSLE DO 31 VSDO DO 32 VSCK DO 33 LD_SDO CMOS O/P 34 DVDDIO Supply 35 DVDD Supply 36 DVDDQ Supply 37 VCOIP RF I/P 38 VCOIN RF I/P 39 VCCHF Supply 40 BIAS Analog I/P Description RF Prescaler Power Supply. Nominally +3.3V ChargePump OpAmp Power Supply. Nominally +5V Power Supply for Charge Pump. Nominally +5V Charge Pump output Power Supply GND for Charge Pump Charge Pump GND Power supply for Charge Pump, Nominally +5V Power Supply for Phase Detectors, Nominally +5V Power Supply GND for Phase Detector No Connection Power Supply for Phase Detector VCO Path, Nominally +5V Power Supply GND for Phase Detector VCO Path Power Supply for Phase Detector Ref Path, Nominally +5V Power Supply GND for Phase Detector Ref Path Square Wave Crystal Ref Input Power Supply for Ref Path, Nominally +3.3V Sinusoidal Crystal reference input Reference Path bypass Reset Input (active low). Cycle low for >Tref to reset. Recommended after power-up. Digital Power Supply, Nominally +3.3V General Purpose Output 1 with Tristate General Purpose Output 2 with Tristate General Purpose Input/Output with Tristate may be configured for External Ramp trigger Input. See register REG 14h[5] Main Serial port enable input Main Serial port data input Main Serial port clock input Leave pin disconnected. Leave pin disconnected. Leave pin disconnected. Lock Detect or Main Serial Port Data Output Power Supply for digital I/O, matches external Digital Supply in 1.8V to 5.5V range Internal Digital Power Supply. Nominally 3.3V Power Supply Isolation pin. Nominally 3.3V, bypassed to GND, zero current. Complementary Input to the RF Prescaler. If single ended input, this point must be decoupled to the ground plane with a ceramic bypass capacitor, typically 100 pF Input to the RF Prescaler. This signal input is ac-coupled to the external VCO RF Section Power Supply. Nominally 3.3V Decoupling Pin for RF section, nominally external 1nF bypassed to VCCHF For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 5 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or [email protected] 5 Page v09.1112 HMC701LP6CE 8 GHz 16-BIT FRACTIONAL-N PLL Figure 5. RF Input Stage RF Path ’N’ Divider The main RF path divider is capable of average divide ratios between 65,531 and 36 in fractional mode, and 65,535 to 32 in integer mode. The reason for the difference between integer and fractional modes is that the fractional divider actually divides by up to ±4 from the average divide number. Actual division ratios when used with a given VCO will depend upon the reference frequency used and the desired output band. General Purpose Output (GPO) Interface The HMC701LP6CE features a 3-wire General Purpose Output (GPO) interface. GPO registers are described in Reg1Bh Table 37. The GPO is a flexible interface that supports a number of different functions and real time waveform access including: a. General Data Output from SPI register gpo_sel_0_ data (gpo_sel=0) e. Internal synchronized frac strobe with clocks (gposel=4) b. Prescaler & reference path outputs (gpo_sel=1) f. Δ∑ Modulator Phase Accumulator (gposel=6) c. Lock Detect Windows (gpo_sel=2) g. Auxiliary oscillators (gposel=7) d. Anti-cycle Slip waveforms (gpo_sel=3) h. Δ∑ Modulator Outputs (gposel=10) General Data to GPO (gpo_sel=0) Setting register gpo_sel=0 in Table 37 assigns the 3-bit data from register gpo_sel_0_data Reg1B<6:4> to the GPO bus. Prescaler and Reference Path Outputs (gpo_sel = 1) Setting register gpo_sel=1 (Reg1B<3:0> Table 37) results in the input crystal being buffered out to GPO3 as shown in Figure 6. This is useful for example to generate a copy of the input crystal signal to drive other circuits in the application, while at the same time isolating the noisy circuits from the sensitive crystal output. Often only the For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 11 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or [email protected] 11 Page

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