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TRF4903 Datasheet(PDF) 4 Page - Texas Instruments |
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TRF4903 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 26 page TRF4903 SINGLECHIP MULTIBAND RF TRANSMITTER SWRS023B − MAY 2004 − REVISED MARCH 2005 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Terminal Functions TERMINAL I/O DESCRIPTION NAME NO. I/O DESCRIPTION CLOCK 24 I Serial interface clock signal input CP_GND 15 Charge pump ground CP_OUT 14 O Charge pump output CP_VCC 13 Charge pump supply voltage DATA 23 I Serial interface data signal input DET_LD_DCLK 16 O Brownout detector (active high), PLL lock detect (active high), and data clock multiplexed output DGND 18 Digital and XTAL oscillator ground DVDD 17 Digital and XTAL oscillator power supply GND 21 Substrate ground MODE 2 I Mode select input PA_GND1 5 Power amplifier ground PA_GND2 7 Power amplifier ground PA_OUT 4 O Power amplifier output PA_VCC 6 Power amplifier supply voltage STDBY 3 I Standby input signal; active low STROBE 22 I Serial interface strobe signal TX_DATA 1 I Buffered TX data input VCO_BYPASS 11 I VCO bypass; connect to ground through a 100-pF capacitor VCO_GND 9 VCO ground VCO_TUNE 12 I Tuning voltage for the integrated VCO VCO_CORE_VCC 10 VCO core supply voltage VCO_PRE_VCC 8 Divider and prescaler supply voltage XTAL 19 I/O Connection to an external crystal reference XTAL_SW 20 I Connection to external capacitor, which sets the frequency deviation of the transmitted signal absolute maximum ratings over operating free-air temperature (unless otherwise noted)† Supply voltage range −0.6 to 4.5 Vdc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage, logic signals −0.6 to 4.5 Vdc . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range, Tstg −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ESD protection, human body model (HBM) 2 kV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . † 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. recommended operating conditions PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Analog supply voltage 2.2 3.6 V Digital supply voltage 2.2 3.6 V Operating free-air temperature −40 85 °C |
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