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CC2480 Datasheet(PDF) 12 Page - Texas Instruments |
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CC2480 Datasheet(HTML) 12 Page - Texas Instruments |
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12 / 48 page ![]() CC2480 5.8 Frequency Synthesizer Characteristics Measured on Texas Instruments CC2480 EM reference design with TA=25°C and VDD=3.0V unless stated otherwise. Table 11: Frequency Synthesizer Parameters Parameter Min Typ Max Unit Condition/Note Phase noise −116 −117 −118 dBc/Hz dBc/Hz dBc/Hz Unmodulated carrier At ±1.5 MHz offset from carrier At ±3 MHz offset from carrier At ±5 MHz offset from carrier PLL lock time 192 µs The startup time until RX/TX turnaround. The crystal oscillator is running. 5.9 Analog Temperature Sensor Measured on Texas Instruments CC2480 EM reference design with TA=25°C and VDD=3.0V unless stated otherwise. Table 12: Analog Temperature Sensor Parameters Parameter Min Typ Max Unit Condition/Note Output voltage at –40 °C 0.648 V Value is estimated Output voltage at 0 °C 0.743 V Value is estimated Output voltage at +40 °C 0.840 V Value is estimated Output voltage at +80 °C 0.939 V Value is estimated Temperature coefficient 2.45 mV/ °C Fitted from –20 °C to +80°C on estimated values. Absolute error in calculated temperature –8 °C From –20 °C to +80°C when assuming best fit for absolute accuracy on estimated values: 0.743V at 0 °C and 2.45mV / °C. Error in calculated temperature, calibrated -2 0 2 °C From –20 °C to +80°C when using 2.45mV / °C, after 1-point calibration at room temperature. Values are estimated. Indicated min/max with 1- point calibration is based on simulated values for typical process parameters Current consumption increase when enabled 280 µA 5.10 ADC Measured with TA=25°C and VDD=3.0V. Note that other data may result when using Texas Instruments’ CC2480 EM reference design. Table 13: ADC Characteristics Parameter Min Typ Max Unit Condition/Note Input voltage 0 VDD V VDD is voltage on AVDD_SOC pin Input resistance, signal 197 kΩ Simulated using 4 MHz clock speed. Full-Scale Signal 3 2.97 V Peak-to-peak, defines 0dBFS 3 Measured with 300 Hz Sine input and VDD as reference. CC2480 Data Sheet SWRS074A Page 12 of 43 |
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