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CC1110-RTR1 데이터시트(PDF) 18 Page - Texas Instruments |
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CC1110-RTR1 데이터시트(HTML) 18 Page - Texas Instruments |
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18 / 203 page ![]() CC1110 CC1110 PRELIMINARY Datasheet (Rev. 1.01) SWRS033A Page 18 of 202 7.9 Analog Temperature Sensor TA=25°C, VDD=3.0V if nothing else stated. Measured on Chipcon’s CC1110 EM reference design. Parameter Min Typ Max Unit Condition/Note Output voltage at –40 °C 0.660 V Output voltage at 0 °C 0.755 V Output voltage at +40 °C 0.859 V Output voltage at +80 °C 0.958 V Temperature coefficient 2.54 mV/ °C Fitted from –20 °C to +80°C Error in calculated temperature, calibrated 0 °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. Measured on Chipcon’s CC1110 EM reference design. Parameter Min Typ Max Unit Condition/Note Input voltage 0 AVDD V AVDD is voltage on AVDD pin External reference voltage 0 AVDD V AVDD is voltage on AVDD pin External reference voltage differential 0 AVDD V AVDD is voltage on AVDD 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 18 114 µs Using 26 MHz crystal oscillator 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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