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CC1150-RTR1 데이터시트(PDF) 9 Page - Texas Instruments |
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CC1150-RTR1 데이터시트(HTML) 9 Page - Texas Instruments |
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9 / 67 page ![]() CC1150 SWRS037A Page 9 of 60 4.5 Analog Temperature Sensor Tc = 25 °C, VDD = 3.0 V if nothing else is stated. Note that it is necessary to write 0xBF to the PTEST register to use the analog temperature sensor in the IDLE state. Parameter Min Typ Max Unit Condition/Note Output voltage at –40 °C 0.651 V Output voltage at 0 °C 0.747 V Output voltage at +40 °C 0.847 V Output voltage at +80 °C 0.945 V Temperature coefficient 2.45 mV/ °C Fitted from –20 °C to +80°C Absolute error in calculated temperature –2 * 2 * °C From –20 °C to +80°C when using 2.45 mV / °C, after 1-point calibration at room temperature * Indicated minimum and maximum error with 1- point calibration is based on simulated values for typical process parameters Current consumption increase when enabled 0.3 mA Table 8: Analog Temperature Sensor Parameters 4.6 DC Characteristics Tc = 25 °C if nothing else stated. Digital Inputs/Outputs Min Max Unit Condition Logic "0" input voltage 0 0.7 V Logic "1" input voltage VDD-0.7 VDD V Logic "0" output voltage 0 0.5 V For up to 4 mA output current Logic "1" output voltage VDD-0.3 VDD V For up to 4 mA output current Logic "0" input current N/A –1 µA Input equals 0 V Logic "1" input current N/A 1 µA Input equals VDD Table 9: DC Characteristics 4.7 Power on Reset For proper Power-On-Reset functionality, the power supply must comply with the requirements in Table 10 below. Otherwise, the chip should be assumed to have unknown state until transmitting an SRES strobe over the SPI interface. See section 16.1 on page 31 for a description of the recommended start up sequence after turning power on. Parameter Min Typ Max Unit Condition/Note Power-up ramp-up time 5 ms From 0 V until reaching 1.8 V Power off time 1 ms Minimum time between power-on and power-off Table 10: Power-on Reset Requirements |
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