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ISLA224S20IR1Z Datasheet(PDF) 9 Page - Intersil Corporation |
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ISLA224S20IR1Z Datasheet(HTML) 9 Page - Intersil Corporation |
9 / 38 page ISLA224S 9 FN7911.2 April 25, 2013 LVDS Inputs SYNCP, SYNCN Setup Time (with Respect to the Positive Edge of CLKP) tRSTS AVDD, OVDD = 1.7V to 1.9V, TA = -40°C to +85°C 400 75 ps SYNCP, SYNCN Hold Time (with respect to the positive edge of CLKP) tRSTH AVDD, OVDD = 1.7V to 1.9V, TA = -40°C to +85°C 150 350 ps CML Outputs Output Rise Time tR 165 ps Output Fall Time tF 145 ps Data Output Duty Cycle 50 % Differential Output Resistance 100 Ω Differential Output Voltage (Note 13) 760 mVP-P SPI INTERFACE (Notes 14, 15) SCLK Period t CLK Write Operation 7 cycles tCLK Read Operation 16 cycles CSB ↓ to SCLK↑ Setup Time tS Read or Write 2 cycles CSB ↑ after SCLK↑ Hold Time tH Read or Write 5 cycles Data Valid to SCLK ↑ Setup Time tDS Read or Write 6 cycles Data Valid after SCLK ↑ Hold Time tDH Read or Write 4 cycles Data Valid after SCLK ↓ Time tDVR Read 4 cycles NOTES: 11. The Tri-Level Inputs internal switching thresholds are approximately. 0.43V and 1.34V. It is advised to float the inputs, tie to ground or AVDD depending on desired function. 12. The synchronous clock divider reset function is available as a (SPI-programmable) overload on the SYNC input. 13. The voltage is expressed in peak-to-peak differential swing. The peak-to-peak single-ended swing is 1/2 of the differential swing. 14. The SPI interface timing is directly proportional to the ADC sample period (tS). Values above reflect multiples of a 4ns sample period, and must be scaled proportionally for lower sample rates. ADC sample clock must be running for SPI communication. 15. The SPI may operate asynchronously with respect to the ADC sample clock. Switching Specifications Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued) PARAMETER SYMBOL CONDITION MIN (Note 6) TYP MAX (Note 6) UNITS |
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