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TC7MTX01FK Datasheet(PDF) 8 Page - Toshiba Semiconductor |
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TC7MTX01FK Datasheet(HTML) 8 Page - Toshiba Semiconductor |
8 / 16 page TC7MTX01FK 2002-03-18 8 XOcont Output Operation XOcont is the output pin used to output temperature compensation data (XOcont data) corresponding to the output from the built-in temperature sensor. Data corresponding to each 1°C temperature increment is stored in the E2PROM. 1. Output at power-on At power-on, 1/2 x ref. voltage (80H) is output on XOcont. Delay time tpux, from power-on to start of output of 1/2 x ref. voltage, is 100 ms or less. 2. Output caused by trigger input The rising edge of the Trig.1 input triggers the built-in temperature sensor. The sum of the temperature sensor output and 25°C temperature sensor compensation data (stored at address 0FH) is used as the XOcont data address. The XOcont data is converted to an analog voltage level and output on XOcont. The delay time txoc, from Trig.1 input to start of voltage output, is 500 ms or less. 3. XOcont data The XOcont data is stored at addresses 10H~6FH of the E2PROM and is used as compensation data corresponding to every 1°C increment in the ambient temperature range -22°C~73°C. The voltage output on XOcont corresponds to the 8-bit data stored in the E2PROM (0 V for the value stored at address 00H; VRef for the value stored at address FFH). When the ambient temperature is outside the range of the E2PROM table (i.e. below -22°C or above 73°C), the compensation value for the table’s minimum or maximum temperature (-22°C or 73°C) is output. (1) Power supply Trig1. input Xocont output Output timing for XOcont 1/2 ´ ref. voltage (2) Current temperature data (1) Current temperature data (2) tpux txoc txoc |
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