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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MAX17843 датащи(PDF) 39 Page - Maxim Integrated Products |
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MAX17843 датащи(HTML) 39 Page - Maxim Integrated Products |
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39 / 131 page  Acquisition Time The total acquisition time can be calculated by summing all the required processes, as shown in Table 10 and Table 11. There is one measurement cycle per oversample. Table 10. Acquisition Time Table 11. Acquisition Time Examples (with AINCFG[5:0] = 00h) PROCESS TIME (µs) CONDITION FREQUENCY Initialization 13 Always Once per acquisition VBLKP measurement 27 If VBLKP is enabled Every measurement cycle Cell scan setup 12.5 If cell input(s) enabled and VBLKP enabled 20 If cell input(s) enabled and VBLKP disabled Cell scans 9 x n For n = Number of enabled cell inputs Diagnostic measurement (if enabled) 11.4 If zero-scale ADC output diagnostic enabled 11.4 If full-scale ADC output diagnostic enabled 86.2 If VALTREF diagnostic enabled 86.2 If die temperature diagnostic enabled 22.9 If any other diagnostic mode enabled AUXIN measurement (if enabled) 10 If AUXIN1 is enabled Once per acquisition 6µs x AINCFG[5:0] 10 If AUXIN2 is enabled 6µs x AINCFG[5:0] HV recovery (if oversampling enabled) 100.3 x m For m = Number of oversamples After every measurement cycle except the last ENABLED MEASUREMENTS NO OVERSAMPLING FOUR OVERSAMPLES EIGHT OVERSAMPLES 12 cells 141.0µs 825.9µs 1739.1µs 12 cells, VBLKP 160.5µs 903.9µs 1895.1µs 12 cells, AUXIN1 and AUXIN2 161.0µs 845.9µs 1759.1µs 12 cells, VBLKP, AUXIN1 and AUXIN2 180.5µs 923.9µs 1915.1µs 12 cells, VBLKP, die temperature, AUXIN1 and AUXIN2 266.7µs 1268.7µs 2604.7µs MAX17843 12-Channel, High-Voltage Smart Sensor Data-Acquisition Interface www.maximintegrated.com Maxim Integrated │ 39 |
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