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CC2430-RTR1-F64 数据表(PDF) 18 Page - Texas Instruments |
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CC2430-RTR1-F64 数据表(HTML) 18 Page - Texas Instruments |
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18 / 234 page  CC2430 CC2430 PRELIMINARY Data Sheet (rev. 1.03) SWRS036A Page 18 of 232 7.9 Analog Temperature Sensor TA=25°C, VDD=2.0 V to 3.6V if nothing else stated. Parameter Min Typ Max Unit Condition/Note Output voltage at –40 °C 0.638 0.648 0.706 V Output voltage at 0 °C 0.733 0.743 0.793 V Output voltage at +40 °C 0.828 0.840 0.891 V Output voltage at +80 °C 0.924 0.939 0.992 V Output voltage at +120 °C 1.022 1.039 1.093 V Temperature coefficient 2.35 2.45 2.46 mV/ °C Fitted from –20 °C to +80°C Absolute error in calculated temperature –14 –8 +14 °C From –20 °C to +80°C when assuming best fit for absolute accuracy: 0.763V at 0 °C and 2.44mV / °C Error in calculated temperature, calibrated –2 +2 °C From –20 °C to +80°C when using 2.44mV / °C, after 1-point calibration at room temperature Current consumption increase when enabled 0.3 mA Table 13: Analog Temperature Sensor Parameters 7.10 8-14 bit ADC TA=25°C, VDD=3.0V if nothing else stated. Differential input and differential reference. Parameter Min Typ Max Unit Condition/Note Input voltage 0 AVDD V AVDD is voltage on AVDD_SOC pin External reference voltage 0 AVDD V AVDD is voltage on AVDD_SOC pin External reference voltage differential 0 AVDD V AVDD is voltage on AVDD_SOC pin Number of bits (ENOB) 8 13 bits The ADC is a delta-sigma. Effective resolution depends on sample rate used. Differential input signal and reference. Offset TBD LSB Conversion time 20 132 µs Differential nonlinearity (DNL) ±0.3 LSB 8-bits setting Integral nonlinearity (INL) ±0.8 LSB 8-bits setting SINAD 45 dB 8-bits setting (sine input) 56 dB 10-bits setting 66 dB 12-bits setting 75 dB 14-bits setting Table 14: 8-14 bit ADC Characteristics |
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