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SN75DP122RTQT Datasheet(PDF) 10 Page - Texas Instruments |
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SN75DP122RTQT Datasheet(HTML) 10 Page - Texas Instruments |
10 / 37 page DisplayPort Auxiliary Pins ELECTRICAL CHARACTERISTICS SWITCHING CHARACTERISTICS 3.3V 10 pF 0.5 pF AUX+ AUX- 50 W 50 W 100 W SN75DP122 CAD=0 AUX + or - 3.3 V 3.3 V 10 pF 50 pF 2kW 100kW SN75DP122 CAD=1 SN75DP122 SLLS892A – FEBRUARY 2008 – REVISED NOVEMBER 2008......................................................................................................................................... www.ti.com The SN75DP122 is designed to support the bidirectional auxiliary signals through the DisplayPort port in both a differential (DisplayPort) mode and an I2C (DVI, HDMI) mode. The performance of the Auxiliary bus is optimized based on the status of the CAD_SINK pin. over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VPass1 Maximum passthrough voltage (CAD=1) VDD = 4.5 V, VI = 5 V, IO = 100 µA 2.4 3.6 V IOZ Output current from unselected output VDD = 5.25 V, VO = 0 V to 3.6 V, VI = 0 V –5 5 µA DC bias = 1 V, AC = 1.4 Vp-p, F = 100 kHz, CIO(off) I/O capacitance when in low power 9 12 pF CAD = High DC bias = 1 V, AC = 1.4 Vp-p, F = 100 kHz, CIO(on) I/O capacitance when in normal operation 18 25 pF CAD = Low rON(C0) On resistance VDD = 4.5 V, VI = 0 V or 3.6 V, IO = 5 mA, CAD = Low 5 10 Ω ΔrON On resistance VDD = 4.5 V, VI = 0 V or 2 V, IO = 5 mA, CAD = Low 1 5 Ω rON(C1) On resistance VDD = 4.5 V, VI = 0.4 V , IO = 3 mA , CAD = High 10 18 Ω over recommended operating conditions (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT tsk(AUX) Intra-pair skew VID = 400 mV, VIC = 2 V 40 80 ps IL(AUX) Single Line Insertion Loss VID = 500 mV, VIC = 2 V, F = 1 MHz, CAD = Low 0.4 dB tPLH(AUXC0) Propagation delay time, low to high CAD = Low, F = 1 MHz 3 ns tPHL(AUXC0) Propagation delay time, high to low CAD = Low, F = 1 MHz 3 ns tPLH(AUXC1) Propagation delay time, low to high CAD = High, F = 100 kHz 3 ns tPHL(AUXC1) Propagation delay time, high to low CAD = High, F = 100 kHz 3 ns Figure 5. Auxiliary Channel Test Circuit (CAD = LOW) Figure 6. Auxiliary Channel Test Circuit (CAD = HIGH) 10 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): SN75DP122 |
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