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AD7091R-4BCPZ-RL7 Folha de dados(PDF) 5 Page - Analog Devices |
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AD7091R-4BCPZ-RL7 Folha de dados(HTML) 5 Page - Analog Devices |
5 / 42 page Data Sheet AD7091R-2/AD7091R-4/AD7091R-8 Rev. C | Page 5 of 42 TIMING SPECIFICATIONS VDD = 2.7 V to 5.25 V, VDRIVE = 1.8 V to 5.25 V, TA = TMIN to TMAX, unless otherwise noted. Table 2. Parameter Symbol Min Typ Max Unit Conversion Time: CONVST Falling Edge to Data Available tCONVERT 600 ns Acquisition Time tACQ 400 ns Time Between Conversions (Normal Mode) tCYC 1000 ns CONVST Pulse Width tCNVPW 10 500 ns SCLK Period (Normal Mode) tSCLK VDRIVE Above 2.7 V 16 ns VDRIVE Above 1.8 V 22 ns SCLK Period (Chain Mode) tSCLK VDRIVE Above 2.7 V 20 ns VDRIVE Above 1.8 V 25 ns SCLK Low Time tSCLKL 6 ns SCLK High Time tSCLKH 6 ns SCLK Falling Edge to Data Remains Valid tHSDO 5 ns SCLK Falling Edge to Data Valid Delay tDSDO VDRIVE Above 4.5 V 12 ns VDRIVE Above 3.3 V 13 ns VDRIVE Above 2.7 V 14 ns VDRIVE Above 1.8 V 20 ns End of Conversion to CS Falling Edge tEOCCSL 5 ns CS Low to SDO Enabled tEN 5 ns CS High or Last SCLK Falling Edge to SDO High Impedance tDIS 5 ns SDI Data Setup Time Prior to SCLK Rising Edge tSSDISCLK 5 ns SDI Data Hold Time After SCLK Rising Edge tHSDISCLK 2 ns Last SCLK Falling Edge to Next CONVST Falling Edge tQUIET 50 ns RESET Pulse Width tRESETPW 10 ns RESET Pulse Delay Upon Power Up tRESET_DELAY 50 ns Time Between Conversions (Power On Software Reset) tCYC_RESET 2 μs Figure 2. Load Circuit for Digital Interface Timing Figure 3. Voltage Levels for Timing 500µA IOL 500µA IOH 1.4V TO SDO CL 20pF X% VDRIVE VIH2 VIL2 VIL2 VIH2 1FOR ≤ 3.0V, X = 90 AND Y = 10; FOR > 3.0V, X = 70 AND Y = 30. 2MINIMUM VIHAND MAXIMUM VIL USED. SEE SPECIFICATIONS FOR DIGITAL INPUTS PARAMETER IN TABLE 2. tDELAY tDELAY NOTES Y% VDRIVE VDRIVE VDRIVE |
Nº de peça semelhante - AD7091R-4BCPZ-RL7 |
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Descrição semelhante - AD7091R-4BCPZ-RL7 |
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