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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AD9237 датащи(PDF) 5 Page - Analog Devices |
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AD9237 датащи(HTML) 5 Page - Analog Devices |
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5 / 28 page  AD9237 Rev. 0 | Page 5 of 28 AD9237BCP-20 AD9237BCP-40 AD9237BCP-65 Parameter Min Typ Max Min Typ Max Min Typ Max Unit SPURIOUS-FREE DYNAMIC RANGE (SFDR) fINPUT = 2.4 MHz 88.0 83.5 85.5 dBc fINPUT = 9.7 MHz 72.4 87.5 dBc fINPUT = 19.6 MHz 72.2 82.4 dBc fINPUT = 34.2 MHz 69.4 80.1 dBc fINPUT = 70 MHz 80.5 77.9 74.9 dBc WORST HARMONIC (SECOND OR THIRD) fINPUT = 2.4 MHz −88.0 −83.5 −85.5 dBc fINPUT = 9.7 MHz −72.4 −87.5 dBc fINPUT = 19.6 MHz −72.2 −82.4 dBc fINPUT = 34.2 MHz −69.4 −80.1 dBc fINPUT = 70 MHz −80.5 −77.9 −74.9 dBc WORST OTHER SPUR fINPUT = 2.4 MHz −90 −90 −90 dBc fINPUT = 9.7 MHz −73.4 −90 dBc fINPUT = 19.6 MHz −73.1 −90 dBc fINPUT = 34.2 MHz −72.0 −90 dBc fINPUT = 70 MHz −90 −90 −90 dBc SWITCHING SPECIFICATIONS Table 4. AD9237BCP-20 AD9237BCP-40 AD9237BCP-65 Parameter Min Typ Max Min Typ Max Min Typ Max Unit CLK INPUT PARAMETERS Maximum Conversion Rate 20 40 65 MSPS Minimum Conversion Rate 1 1 1 MSPS CLK Period 50.0 25.0 15.4 ns CLK Pulse Width High1 15.0 8.8 6.2 ns CLK Pulse Width Low1 15.0 8.8 6.2 ns DATA OUTPUT PARAMETERS Output Delay (tPD)2 3.5 3.5 3.5 ns Pipeline Delay (Latency) 8 8 8 Cycles Output Enable Time 6 6 6 ns Output Disable Time 3 3 3 ns Aperture Delay (tA) 1.0 1.0 1.0 ns Aperture Uncertainty (Jitter, tJ) 0.5 0.5 0.5 ps rms Wake-Up Time (Sleep Mode)3 3.0 3.0 3.0 ms Wake-Up Time (Standby Mode)3 3.0 3.0 3.0 μs OUT-OF-RANGE RECOVERY TIME 1 1 2 Cycles 1 With duty cycle stabilizer enabled. 2 Output delay is measured from CLK 50% transition to DATA 50% transition, with 5 pF load on each output. 3 Wake-up time is dependent on value of decoupling capacitors; typical values shown with 0.1 μF and 10 μF capacitors on REFT and REFB. |
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