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CS5530 Datasheet(PDF) 234 Page - National Semiconductor (TI) |
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CS5530 Datasheet(HTML) 234 Page - National Semiconductor (TI) |
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234 / 241 page  www.national.com 234 Revision 4.1 Electrical Specifications (Continued) 5.7 VIDEO CHARACTERISTICS The following tables and figures describe the DC/AC char- acteristics of the CS5530 video interface. It is divided into the following categories: • Recommended Operating Conditions • Miscellaneous Operating Characteristics • Analog Output Rise/Settle Times • Setup/Hold and Delay Times Additionally, Figure 5-8 is provided showing a typical video connection diagram. Table 5-12. Video Interface: Recommended Operating Conditions Symbol Parameter Min Typ Max Units Comments AVDD Power Supply connected to AVDD1, AVDD2 and AVDD3 3.0 3.3 3.6 V RL Output Load on each of the pins IOUTR, IOUTG and IOUTB 37.5 Ohms IOUT Output Current on each of the pins IOUTR, IOUTG and IOUTB 21 mA RSET Value of the full-scale adjust resistor connected to IREF 732 Ohms This resistor should have a 1% tolerance. VEXTREF External voltage reference con- nected to the EXTVREFIN pin 1.235 V IREF Current flow through the resistor connected to the IREF pin 2.2 mA Table 5-13. Video Interface: Miscellaneous Operating Characteristics Symbol Parameter Min Typ Max Units Comments White Level Relative to Black 16.74 17.62 18.50 mA EXTVREFIN Leakage Current 2 µA IAVDD AVDD Supply Current 60 mA Table 5-14. Video Interface: Analog Output Rise/Settle Times Symbol Parameter Min Typ Max Units Comments trise Analog Output Rise Time 2 ns Notes 1 and 2 tsettle Analog Output Settling Time 4 ns Notes 1 and 3 Notes: 1. Timing measurements are made with a 75 ohm doubly-terminated load, with VEXTREF = 1.235V and RSET = 732 ohms. 2. 10% to 90% of full-scale transition. 3. Full-scale transition: time from output minimum to maximum, not including clock and data feedthrough. |
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