TUSB1064 datasheet(9/52 Pages) TI

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5.5 Electrical Characteristics (continued)

over operating free-air temperature and voltage range (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VTX-IDLE-

DIFF-DC

DC electrical idle differential output

voltage

At package pins after low-pass filter (LPF)

to remove AC component; LPF = 1/HPF;

No AC or DC signals are applied at RX

terminals;

VTX-CM-

DC-

ACTIVE-

IDLE-DELTA

Absolute DC common-mode voltage

between U1 and U0

At package pin

200

RTX-DIFF Differential impedance of the driver

120

RTX-CM

Common-mode impedance of the driver

Measured with respect to AC ground over

0V to 500mV

CAC-

COUPLING

External AC-coupling capacitor

265

ITX-SHORT TX short-circuit current

TX+/- shorted to GND

RLTX-DIFF Differential return loss (SDD22)

50MHz to 1.25GHz at 90Ω; Lowest EQ

setting; FLIP = L;

–25

RLTX-

DIFF-5G

Differential return loss (SDD22)

5GHz at 90Ω; Lowest EQ setting; FLIP =

–12

RLTX-CM Common-mode return loss (SCC22)

50MHz to 5GHz at 90Ω; Lowest EQ

setting; FLIP = L;

–9

AC Electrical Characteristics

Crosstalk

Differential crosstalk between TX and RX

signal pairs

At 5GHz; FLIP = L;

–39

GLF

Low-frequency voltage gain.

At 100MHz, 600mVpp VID

–0.25

0.6

1.5

GLF_LFPS

_TX1/2

Low-frequency voltage gain for SSTX –>

TX1/TX2 path

At 10MHz to 50MHz sine wave; 1.0Vpp

VID; EQ = 0; FLIP = 0 and 1;

–0.5

0.8

1.6

CP1 dB-LF Low-frequency –1dB compression point

At 100MHz, 200mVpp < VID < 2000mVpp

1000

mVpp

CP1 dB-HF High-frequency –1dB compression point

At 5GHz, 200mVpp < VID < 2000mVpp

770

mVpp

DJ_8.1G

TX output deterministic jitter

200mVpp < VID < 2000mVpp, PRBS7,

8.1Gbps, 10dB pre-channel and 1dB

post-channel, Optimal EQ setting

0.03

UIpp

DJ_10G

TX output deterministic jitter

200mVpp < VID < 2000mVpp, PRBS7,

10Gbps, 10dB pre-channel and 1dB post-

channel, Optimal EQ setting

0.07

UIpp

DisplayPort Receiver (TX1P/N, TX2P/N, RX1P/N, RX2P/N)

VID_PP

Peak-to-peak input differential dynamic

voltage range

1400

mVppd

VIC

Input common-mode voltage

CAC

External AC-coupling capacitor

265

EQDP

Receiver equalizer at maximum setting

At 4.05GHz;

13.7

Data rate

HBR3

8.1

Gbps

Rtx

Input termination resistance

100

120

DisplayPort Transmitter (DP[3:0]P/N)

VTX-

DIFFPP

VOD dynamic range

1300

mVppd

ITX-SHORT TX short-circuit current

TX+/- shorted to GND

VDPTX-DC-

Common-mode voltage bias in the

transmitter (DC)

1.5

2.2

RDPTX

Differential impedance of the driver

120

Ω

AUXP/N and SBU1/2

www.ti.com

TUSB1064-Q1

SLLSFP0 – SEPTEMBER 2024

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