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SN65LVPE502CPRGET Datasheet(PDF) 5 Page - Texas Instruments |
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SN65LVPE502CPRGET Datasheet(HTML) 5 Page - Texas Instruments |
5 / 29 page SN65LVPE502CP www.ti.com SLLSE79A – MARCH 2011 – REVISED SEPTEMBER 2011 ELECTRICAL CHARACTERISTICS over recommended operating conditions (unless otherwise noted) PARAMETER CONDITIONS MIN TYP MAX UNITS RECEIVER AC/DC Vindiff_p-p RX1, RX2 input voltage swing AC coupled differential RX peak to peak signal 100 1200 mVp-p VCM_RX RX1, RX2 common mode voltage 3.3 V RX1, RX2 AC peak common mode VinCOM_P Measured at Rx pins with termination enabled 150 mVP voltage ZDC_RX DC common mode impedance 18 26 30 Ω Zdiff_RX DC differential input impedance 72 80 120 Ω Device in sleep mode Rx termination not powered ZRX_High_IMP+ DC Input high impedance 50 85 k Ω measured with respect to GND over 500mV max Low voltage periodic signaling (LFPS) Measured at receiver pin, below minimum output is VRX-LFPS-DETpp 100 300 mVpp detect threshold squelched, above max input signal is passed to output 50 MHz – 1.25 GHz 10 11 RLRX-DIFF Differential return loss dB 1.25 GH – 2.5 GHz 6 7 RLRX-CM Common mode return loss 50 MHz – 2.5 GHz 11 13 dB TRANSMITTER AC/DC RL = 100 Ω ±1%, DEx, OSx = NC, 800 1042 1200 Transition Bit RL = 100 Ω ±1%, DEx = NC, OSx = GND VTXDIFF_TB_P-P 908 mV Transition Bit RL = 100 Ω ±1%, DEx = NC, OSx = VCC 1127 Transition Bit Differential peak-to-peak output voltage (VID = 800, 1200 mVpp, 5Gbps) RL = 100 Ω ±1%, DEx=NC, OSx = 0,1,NC 1042 Non-Transition Bit RL = 100 Ω ±1%, DEx=0 OSx = 0,1,NC VTXDIFF_NTB_P-P 661 mV Non-Transition Bit RL = 100 Ω ±1%, DEx=1 OSx = 0,1,NC 507 Non-Transition Bit DE1/DE2 = NC 0 De-emphasis level OS1,2 = NC (for OS1, DE DE1/DE2 = 0 –3.0 –3.5 –4.0 dB 2 = 1 and 0 see Table 2) DE1/DE2 = 1 –6.0 TDE De-emphasis width 0.85 UI Zdiff_TX DC differential impedance 72 90 120 Ω ZCM_TX DC common mode impedance Measured w.r.t to AC ground over 0-500mV 18 23 30 Ω f = 50 MHz – 1.25 GHz 9 10 RLdiff_TX Differential return loss dB f = 1.25 GHz – 2.5 GHz 6 7 RLCM_TX Common mode return loss f = 50 MHz – 2.5 GHz 11 12 dB ITX_SC TX short circuit current TX ± shorted to GND 60 mA VTX_CM_DC Transmitter DC common-mode voltage 2.0 2.6 3.0 V VTX_CM_AC_Active TX AC common mode voltage active 30 100 mVpp Electrical idle differential peak to peak VTX_idle_diff-AC-pp HPF to remove DC 0 10 mVpp output voltage Absolute delta of DC CM voltage during VTX_CM_DeltaU1-U0 35 200 mV active and idle states DC Electrical idle differential output Voltage must be low pass filtered to remove any AC VTX_idle_diff-DC 0 10 mV voltage component Vdetect Voltage change to allow receiver detect Positive voltage to sense receiver termination 600 mV 20% –80% of differential voltage measured 1" from the tR, tF Output rise/fall time 30 65 ps output pin 20% –80% of differential voltage measured 1" from the tRF_MM Output rise/fall time mismatch 1.5 20 ps output pin De-Emphasis = –3.5 dB (CH 0 and CH 1). Propagation delay between 50% Tdiff_LH, Tdiff_HL Differential propagation delay 305 370 ps level at input and output tidleEntry, tidleExit Idle entry and exit times See Figure 4 4 6 ns CTX Tx input capacitance to GND At 2.5 GHz 1.25 pF Copyright © 2011, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Link(s) :SN65LVPE502CP |
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