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AD7989-5BCPZ-RL7 Arkusz danych(PDF) 5 Page - Analog Devices |
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AD7989-5BCPZ-RL7 Arkusz danych(HTML) 5 Page - Analog Devices |
5 / 24 page Data Sheet AD7989-1/AD7989-5 TIMING SPECIFICATIONS TA = −40°C to +85°C, VDD = 2.37 V to 2.63 V, VIO = 2.3 V to 5.5 V, unless otherwise noted. See Figure 2 and Figure 3 for load conditions. Table 4. Parameter Symbol Min Typ Max Unit AD7989-1 Throughput Rate 100 kSPS Conversion Time: CNV Rising Edge to Data Available tCONV 9500 ns Acquisition Time tACQ 500 ns Time Between Conversions tCYC 10 µs AD7989-5 Throughput Rate 500 kSPS Conversion Time: CNV Rising Edge to Data Available tCONV 1600 ns Acquisition Time tACQ 400 ns Time Between Conversions tCYC 2 μs CNV Pulse Width (CS Mode) tCNVH 500 ns SCK Period (CS Mode) tSCK VIO Above 4.5 V 10.5 ns VIO Above 3 V 12 ns VIO Above 2.7 V 13 ns VIO Above 2.3 V 15 ns SCK Period (Chain Mode) tSCK VIO Above 4.5 V 11.5 ns VIO Above 3 V 13 ns VIO Above 2.7 V 14 ns VIO Above 2.3 V 16 ns SCK Low Time tSCKL 4.5 ns SCK High Time tSCKH 4.5 ns SCK Falling Edge to Data Remains Valid tHSDO 3 ns SCK Falling Edge to Data Valid Delay tDSDO VIO Above 4.5 V 9.5 ns VIO Above 3 V 11 ns VIO Above 2.7 V 12 ns VIO Above 2.3 V 14 ns CNV or SDI Low to SDO D15 MSB Valid (CS Mode) tEN VIO Above 3 V 10 ns VIO Above 2.3V 15 ns CNV or SDI High or Last SCK Falling Edge to SDO High Impedance (CS Mode) tDIS 20 ns SDI Valid Setup Time from CNV Rising Edge (CS Mode) tSSDICNV 5 ns SDI Valid Hold Time from CNV Rising Edge (CS Mode) tHSDICNV 2 ns SCK Valid Setup Time from CNV Rising Edge (Chain Mode) tSSCKCNV 5 ns SCK Valid Hold Time from CNV Rising Edge (Chain Mode) tHSCKCNV 5 ns SDI Valid Setup Time from SCK Falling Edge (Chain Mode) tSSDISCK 2 ns SDI Valid Hold Time from SCK Falling Edge (Chain Mode) tHSDISCK 3 ns Rev. A | Page 5 of 24 |
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