поискавой системы для электроныых деталей |
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AD7985BCPZ-RL7 датащи(PDF) 6 Page - Analog Devices |
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AD7985BCPZ-RL7 датащи(HTML) 6 Page - Analog Devices |
6 / 29 page Data Sheet AD7985 Rev. C | Page 5 of 28 TIMING SPECIFICATIONS AVDD = DVDD = 2.5 V, BVDD = 5 V, VIO = 1.8 V to 2.7 V, VREF = 4.096 V, TA = −40°C to +85°C, unless otherwise noted.1 Table 4. Parameter Symbol Test Conditions/Comments Min Typ Max Unit Conversion Time: CNV Rising Edge to Data Available tCONV Turbo mode/normal mode 320/420 ns Acquisition Time tACQ 80 ns Time Between Conversions tCYC Turbo mode/normal mode 400/500 ns CNV Pulse Width tCNVH CS mode 10 ns Data Read During Conversion tDATA Turbo mode/normal mode 190/290 ns Quiet Time During Acquisition from Last SCK Falling Edge to CNV Rising Edge tQUIET 20 ns SCK Period tSCK CS mode 9 ns tSCK Chain mode 11 ns SCK Low Time tSCKL 3.5 ns SCK High Time tSCKH 3.5 ns SCK Falling Edge to Data Remains Valid tHSDO 2 ns SCK Falling Edge to Data Valid Delay tDSDO 4 ns CNV or SDI Low to SDO D15 MSB Valid tEN 5 ns CNV or SDI High or Last SCK Falling Edge to SDO High Impedance tDIS CS mode 8 ns SDI Valid Setup Time from CNV Rising Edge tSSDICNV 4 ns SDI Valid Hold Time from CNV Rising Edge tHSDICNV CS mode 0 ns tHSDICNV Chain mode 0 ns SCK Valid Setup Time from CNV Rising Edge tSSCKCNV Chain mode 5 ns SCK Valid Hold Time from CNV Rising Edge tHSCKCNV Chain mode 5 ns SDI Valid Setup Time from SCK Falling Edge tSSDISCK Chain mode 2 ns SDI Valid Hold Time from SCK Falling Edge tHSDISCK Chain mode 3 ns SDI High to SDO High tDSDOSDI Chain mode with busy indicator 15 ns 1 See Figure 2 and Figure 3 for load conditions. 500µA IOL 500µA IOH 1.4V TO SDO CL 20pF Figure 2. Load Circuit for Digital Interface Timing 90% VIO 10% VIO VIH1 VIL1 VIL1 VIH1 tDELAY tDELAY 1MINIMUM VIH AND MAXIMUM VIL USED. SEE DIGITAL INPUTS SPECIFICATIONS IN TABLE 3. Figure 3. Voltage Levels for Timing |
Аналогичный номер детали - AD7985BCPZ-RL7 |
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Аналогичное описание - AD7985BCPZ-RL7 |
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