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GRM39COG Datasheet(PDF) 3 Page - Texas Instruments |
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GRM39COG Datasheet(HTML) 3 Page - Texas Instruments |
3 / 34 page TRF2050 LOW-VOLTAGE 1.2-GHz FRACTIONAL-N/INTEGER-N SYNTHESIZER SLWS030E– JUNE 1996 – REVISED OCTOBER 2000 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION AUXIN 10 I Auxiliary channel RF input CLOCK 1 I Serial interface clock signal DATA 2 I Serial interface data signal LOCK/ TEST 18 O Lock detector/test mode output PHA 11 O Auxiliary charge pump output PHI 13 O Integral charge pump output PHP 14 O Proportional charge pump output RFIN 5 I Prescaler positive RF input RFIN 6 I Prescaler negative RF input REFIN 8 I Reference frequency input signal RA 9 I Resistor to VSSA sets auxiliary charge pump reference current RN 16 I Resistor to VSSA sets proportional and integral charge pump reference current RF 17 I Resistor to VSSA sets compensation charge pump reference current STROBE 3 I Serial interface strobe signal TSETUP 19 I Test setup for pin 18. For lock detect output, pin 19 connects to VCC through a pullup resistor; for test mode output, pin 19 terminates to ground. VCCP 7 Prescaler positive supply voltage VDD 20 Digital supply voltage VDDA 15 Analog supply voltage VSS 4 Digital ground VSSA 12 Analog ground absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCCP, VDD, VDDA (see Note 1) – 0.6 V to 5.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage range, logic signals – 0.6 V to 5.6 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating ambient temperature range, TA –55 °C to 85°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg –65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. NOTE 1: Voltage values are with respect to VSSA. |
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