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MICRF501 数据表(PDF) 2 Page - Micrel Semiconductor |
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MICRF501 数据表(HTML) 2 Page - Micrel Semiconductor |
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2 / 18 page ![]() MICRF501 Micrel MICRF501 2 March 2003 Pin Description Pin Number Pin Name Pin Function 1 IFGND IF Ground 2 IFVDD IF Power 3 ICHOUT I-Channel Output 4 QCHOUT Q-Channel Output 5 OSCVDD Colpitts Oscillator Power 6 OSCIN Colpitts Oscillator Input 7 OSCGND Colpitts Oscillator and Substrate Ground 8 GND Substrate Ground 9 CMPOUT Charge Cump Output 10 CMPR Charge Pump Resistor Input 11 MOD Output for VCO Modulation 12 XOSCIN Crystal Oscillator Input 13 XOSCOUT Crystal Oscillator Output 14 LD_C External Capacitor for Lock Detector 15 LOCKDET Lock Detector Output 16 RSSI Received Signal Strength Indicator Output 17 PDEXT Power Down Input (0=Power Down) 18 DATAC Data Filter Capacitor 19 DATAIXO Data Input/Output 20 CLKIN Clock Input for Programming 21 REGIN Data Input for Programming 22 DIGVDD Digital Circuitry Power 23 DIGGND Digital Circuitry Ground Pin Configuration 12 13 14 15 16 17 18 19 1 2 3 4 5 6 7 8 9 10 11 IFGND IFVDD ICHOUT QCHOUT OSCVDD OSCIN OSCGND GND CMPOUT CMPR MOD 20 21 22 33 32 31 30 29 28 27 26 25 24 23 MIXERVDD MIXERGND LNA_C RFGND2 RFIN RFVDD RFGND RFOUT PABIAS PA_C DIGGND 44 43 42 41 40 39 38 37 36 35 34 44-Pin LQFP (BLQ) |
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