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ADF4108BRUZ-RL7 Datasheet(PDF) 3 Page - Analog Devices |
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ADF4108BRUZ-RL7 Datasheet(HTML) 3 Page - Analog Devices |
3 / 20 page ADF4108 Rev. 0 | Page 3 of 20 SPECIFICATIONS AVDD = DVDD = 3.3 V ± 2%, AVDD ≤ VP ≤ 5.5 V, AGND = DGND = CPGND = 0 V, RSET = 5.1 kΩ, dBm referred to 50 Ω, TA = TMIN to TMAX, unless otherwise noted. Table 1. Parameter B Version1 B Chips2 (Typ) Unit Test Conditions/Comments RF CHARACTERISTICS See Figure 12 for input circuit RF Input Frequency (RFIN) 1.0/8.0 1.0/8.0 GHz min/max For lower frequencies ensure slew rate (SR) > 320 V/μs RF Input Sensitivity −5/+5 −5/+5 dBm min/max Maximum Allowable Prescaler Output Frequency3 300 325 300 325 MHz max MHz max P = 8 P = 16 REFIN CHARACTERISTICS REFIN Input Frequency 20/250 20/250 MHz min/max For f < 20 MHz, ensure SR > 50 V/μs REFIN Input Sensitivity4 0.8/VDD 0.8/VDD V p-p min/max Biased at AVDD/25 REFIN Input Capacitance 10 10 pF max REFIN Input Current ±100 ±100 μA max PHASE DETECTOR Phase Detector Frequency6 104 104 MHz max CHARGE PUMP Programmable; see Figure 19 ICP Sink/Source High Value 5 5 mA typ With RSET = 5.1 kΩ Low Value 625 625 μA typ Absolute Accuracy 2.5 2.5 % typ With RSET = 5.1 kΩ RSET Range 3.0/11 3.0/11 kΩ typ See Figure 19 ICP Three-State Leakage 1 1 nA typ 1 nA typical; TA = 25°C Sink and Source Current Matching 2 2 % typ 0.5 V ≤ VCP ≤ VP – 0.5 V ICP vs. VCP 1.5 1.5 % typ 0.5 V ≤ VCP ≤ VP – 0.5 V ICP vs. Temperature 2 2 % typ VCP = VP/2 LOGIC INPUTS VIH, Input High Voltage 1.4 1.4 V min VIL, Input Low Voltage 0.6 0.6 V max IINH, IINL, Input Current ±1 ±1 μA max CIN, Input Capacitance 10 10 pF max LOGIC OUTPUTS VOH, Output High Voltage 1.4 1.4 V min Open-drain output chosen; 1 kΩ pull-up resistor to 1.8 V VOH, Output High Voltage VDD − 0.4 VDD − 0.4 V min CMOS output chosen IOH 100 100 μA max VOL, Output Low Voltage 0.4 0.4 V max IOL = 500 μA POWER SUPPLIES AVDD 3.2/3.6 3.2/3.6 V min/V max DVDD AVDD AVDD VP AVDD/5.5 AVDD/5.5 V min/V max AVDD ≤ VP ≤ 5.5 V IDD (AIDD + DIDD)7 17 17 mA max 15 mA typ IP 0.4 0.4 mA max TA = 25°C Power-Down Mode (AIDD + DIDD)8 10 10 μA typ |
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