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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AS8267 датащи(PDF) 50 Page - ams AG |
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AS8267 датащи(HTML) 50 Page - ams AG |
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50 / 136 page  Data Sheet AS8267 / AS8268 Revision 1.0, 19-Jun-07 Page 50 of 136 8.2 Temperature Sensor The AS8267 / AS8268 ICs include an on-chip temperature sensor which allows for temperature correction over the entire operating temperature range of the device: Parameter Symbol Min Typ Max Unit Note Absolute Error (trimmed) -5 +5 °C from -40°C to 85°C Relative Error (trimmed) -2 +2 °C from -40°C to 85°C Temperature Range -40 85 °C Resolution 0.193 °C/LSB Note: The temperature sensor is activated by the MCU for a single measurement. A temperature measurement is initiated by setting the measure bit in the TS_Status register to 1. The result of the measurement is then available in the TS_Result0/TS_Result1 register. The registers TS_OffsetCorr0/TS_OffsetCorr1 hold the offset correction value which is derived during production process. The actual temperature value is calculated by the means of the following formula: [] 75 ) 193 . 0 corrected _ Temp ( C Temp − × = ° with [] [ ] 0 : 15 orr TS_OffsetC 0 : 15 TS_Result cted Temp_corre + = Register Name Address Reset Value Note TS_Status 9600h 00h TS_Result0 9601h 00h TS_Result1 9602h 00h TS_OffsetCorr0 9603h 00h TS_OffsetCorr1 9604h 00h TS_Status (9600h) MSB LSB 0 0 0 0 0 0 0 Measure Note: MEASURE: - flag is set by the MCU and reset by the temperature sensor itself. 0: no operation; or: temperature measurement finished 1: if set by MCU the measurement starts; or: indicates an ongoing measurement TS_Result0/TS_Result1 (9601h/9602h) TS_Result0 MSB LSB D7 D6 D5 D4 D3 D2 D1 D0 |
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