Moteur de recherche de fiches techniques de composants électroniques |
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ES5120AZ Fiches technique(PDF) 10 Page - Cyrustek corporation |
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ES5120AZ Fiches technique(HTML) 10 Page - Cyrustek corporation |
10 / 29 page ES5120 3 3/4 DIGIT A/D CONVERTER Pin No. Pin No. (40-pin (44-pin Flat Package) Package) Symbol Descrlption 19 15 RANGE/ FREQ Dual-purpose input.In voltage mode:When connected to V+; the FREQ integration time will be 200 counts instead of 2000 counts,and the LCD will display the analog input divided by 10. In frequency mode, this pin is the frequency input. A digital signal applied to this pin will be measured with a one second timebase. There is an internal 5μA pulldown to DGND. 20 16 DP0/LO Dual-purpose input. Decimal Point select input for voltage measurements. In logic mode, connecting this pin to V+ will turn on "low" LCD segment. There is an internal 5μA pulldown to DGND in volts mode only. Decimal point logic: DP1 DP0 Decimal Point Selected 00 None 01 DP1 10 DP2 11 Dp3 21 17 DP1/HI Dual-purpose input. Decimal Point select input for voltage measurements. In logic mode, connecting this pin to V+ will turn on the "high" LCD segment. There is an internal 5μA pulldown to DGND in volts mode only. 22 18 BUZOUT Buzzer output. Audio frequency, 2.5K or 5.0K for choice determined by chip bonding, output which drives a piezo buzzer. |
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