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ADF4251BCP-REEL データシート(PDF) 2 Page - Analog Devices |
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ADF4251BCP-REEL データシート(HTML) 2 Page - Analog Devices |
2 / 28 page REV. 0 –2– ADF4251–SPECIFICATIONS1 (VDD1 = VDD2 = VDD3 = DVDD = 3 V 10%, VP1 = VP2 = 5 V 10%, GND = 0 V, RSET = 2.7 k , dBm referred to 50 , TA = TMIN to TMAX, unless otherwise noted.) Parameter B Version Unit Test Conditions/Comments RF CHARACTERISTICS RF Input Frequency (RFINA, RFINB) 2 0.25/3.0 GHz min/max RF Input Sensitivity –10/0 dBm min/max RF Input Frequency (RFINA, RFINB) 2 0.1/3.0 GHz min/max Input Level = –8/0 dBm min/max RF Phase Detector Frequency 30 MHz max Guaranteed by Design Allowable Prescaler Output Frequency 375 MHz max IF CHARACTERISTICS IF Input Frequency (IFINA, IFINB) 2 50/1200 MHz min/max IF Input Sensitivity –10/0 dBm min/max IF Phase Detector Frequency 55 MHz max Guaranteed by Design Allowable Prescaler Output Frequency 150 MHz max REFERENCE CHARACTERISTICS REFIN Input Frequency 250 MHz max For f < 10 MHz, use dc-coupled square wave (0 to VDD). REFIN Input Sensitivity 0.5/VDD1V p-p min/max AC-coupled. When dc-coupled, use 0 to VDD max (CMOS compatible). REFIN Input Current ±100 µA max REFIN Input Capacitance 10 pF max CHARGE PUMP RF ICP Sink/Source High Value 4.375 mA typ See Table V Low Value 625 µA typ IF ICP Sink/Source High Value 5 mA typ See Table IX Low Value 625 µA typ ICP Three-State Leakage Current 1 nA typ RF Sink and Source Current Matching 2 % typ 0.5 V < VCP < VP – 0.5 IF Sink and Source Current Matching 2 % typ ICP vs. VCP 2% typ 0.5 V < VCP < VP – 0.5 ICP vs. Temperature 2 % typ VCP = VP /2 LOGIC INPUTS VINH, Input High Voltage 1.35 V min VINL, Input Low Voltage 0.6 V max IINH/IINL, Input Current ±1 µA max CIN Input Capacitance 10 pF max LOGIC OUTPUTS VOH, Output High Voltage VDD – 0.4 V min IOH = 0.2 mA VOL, Output Low Voltage 0.4 V max IOL = 0.2 mA POWER SUPPLIES VDD1, VDD2, VDD3 2.7/3.3 V min/V max DVDD VDD1 VP1, VP2VDD1/5.5 V min/V max IDD 3 RF + IF 13 mA typ 16 mA max RF Only 10 mA typ 13 mA max IF Only 4 mA typ 5.5 mA max Low Power Sleep Mode/Power-Down 10 pA typ RF NOISE AND SPURIOUS CHARACTERISTICS Noise Floor –141 dBc/Hz typ @ 20 MHz PFD Frequency In-Band Phase Noise Performance4 @ VCO Output Lowest Spur Mode –90 dBc/Hz typ RFOUT = 1.8 GHz, PFD = 20 MHz Low Noise and Spur Mode –95 dBc/Hz typ RFOUT = 1.8 GHz, PFD = 20 MHz Lowest Noise Mode –103 dBc/Hz typ RFOUT = 1.8 GHz, PFD = 20 MHz Spurious Signals See Typical Performance Characteristics NOTES 1Operating Temperature Range (B Version): –40°C to +85°C. 2Use a square wave for frequencies less than F MIN. 3RF = 1 GHz, RF PFD = 10 MHz, MOD = 4095, IF = 500 MHz, IF PFD = 200 kHz, REF = 10 MHz, V DD = 3 V, VP1 = 5 V, and VP2 = 3 V. 4The in-band phase noise is measured with the EVAL-ADF4251EB2 Evaluation Board and the HP5500E Phase Noise Test System. The spectrum analyzer provides the REFIN for the synthesizer (fREFOUT = 10 MHz @ 0 dBm). FOUT = 1.74 GHz, FREF = 20 MHz, N = 87, MOD = 100, Channel Spacing = 200 kHz, VDD = 3.3 V, and VP = 5 V. Specifications subject to change without notice. |
同様の部品番号 - ADF4251BCP-REEL |
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同様の説明 - ADF4251BCP-REEL |
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