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AD779 Folha de dados(PDF) 4 Page - Analog Devices |
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AD779 Folha de dados(HTML) 4 Page - Analog Devices |
4 / 12 page AD779 –4– REV. B TIMING SPECIFICATIONS (All device types TMIN to TMAX, VCC = +12 V 5%, VEE = –12 V 5%, VDD = +5 V 10%) Parameter Symbol Min Max Units Conversion Rate 1 tCR 7.8 µs Convert Pulse Width tCP 0.097 3.0 µs Aperture Delay tAD 520 ns Conversion Time tC 6.3 µs Status Delay tSD 0 400 ns Access Time 2, 3 tBA 10 100 ns 10 57 4 ns Float Delay 5 tFD 10 80 ns Output Delay tOD 0ns OE Delay tOE 20 ns Read Pulse Width tRP 100 ns Conversion Delay tCD 400 ns NOTES 1Includes Acquisition Time. 2Measured from the falling edge of OE/EOCEN (0.8 V) to the time at which the data lines/EOC cross 2.0 V or 0.8 V. See Figure 4. 3C OUT = 100 pF. 4C OUT = 50 pF. 5Measured from the rising edge of OE/EOCEN (2.0 V) to the time at which the output voltage changes by 0.5 V. See Figure 4; COUT = 10 pF. Specifications subject to change without notice. Figure 1. Conversion Timing Figure 2. Output Timing Figure 3. EOC Timing Figure 4. Load Circuit for Bus Timing Specifications |
Nº de peça semelhante - AD779 |
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Descrição semelhante - AD779 |
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