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AD9258-105EBZ1 Datasheet(PDF) 9 Page - Analog Devices |
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AD9258-105EBZ1 Datasheet(HTML) 9 Page - Analog Devices |
9 / 44 page AD9258 Rev. A | Page 9 of 44 SWITCHING SPECIFICATIONS AVDD = 1.8 V, DRVDD = 1.8 V, maximum sample rate, VIN = −1.0 dBFS differential input, 1.0 V internal reference, and DCS enabled, unless otherwise noted. Table 4. AD9258BCPZ-80 AD9258BCPZ-105 AD9258BCPZ-125 Parameter Temperature Min Typ Max Min Typ Max Min Typ Max Unit CLOCK INPUT PARAMETERS Input Clock Rate Full 625 625 625 MHz Conversion Rate1 DCS Enabled Full 20 80 20 105 20 125 MSPS DCS Disabled Full 10 80 10 105 10 125 MSPS CLK Period—Divide-by-1 Mode (tCLK) Full 12.5 9.5 8 ns CLK Pulse Width High (tCH) Divide-by-1 Mode, DCS Enabled Full 3.75 6.25 8.75 2.85 4.75 6.65 2.4 4 5.6 ns Divide-by-1 Mode, DCS Disabled Full 5.95 6.25 6.55 4.5 4.75 5.0 3.8 4 4.2 ns Divide-by-2 Mode Through Divide-by-8 Mode Full 0.8 0.8 0.8 ns Aperture Delay (tA) Full 1.0 1.0 1.0 ns Aperture Uncertainty (Jitter, tJ) Full 0.07 0.07 0.07 ps rms DATA OUTPUT PARAMETERS CMOS Mode Data Propagation Delay (tPD) Full 2.8 3.5 4.2 2.8 3.5 4.2 2.8 3.5 4.2 ns DCO Propagation Delay (tDCO)2 Full 3.1 3.1 3.1 ns DCO to Data Skew (tSKEW) Full −0.6 −0.4 0 −0.6 −0.4 0 −0.6 −0.4 0 ns LVDS Mode Data Propagation Delay (tPD Full 2.9 3.7 4.5 2.9 3.7 4.5 2.9 3.7 4.5 ns DCO Propagation Delay (tDCO)2 Full 3.9 3.9 3.9 ns DCO to Data Skew (tSKEW) Full −0.1 +0.2 +0.5 −0.1 +0.2 +0.5 −0.1 +0.2 +0.5 ns CMOS Mode Pipeline Delay (Latency) Full 12 12 12 Cycles LVDS Mode Pipeline Delay (Latency) Channel A/Channel B Full 12/12.5 12/12.5 12/12.5 Cycles Wake-Up Time3 Full 500 500 500 μs Out-of-Range Recovery Time Full 2 2 2 Cycles 1 Conversion rate is the clock rate after the divider. 2 Additional DCO delay can be added by writing to Bit 0 through Bit 4 in SPI Register 0x17 (see Table 17). 3 Wake-up time is defined as the time required to return to normal operation from power-down mode. |
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