TUSB1044AI datasheet(9/66 Pages) TI1

9 / 66 page

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

VTX-CM-

AC-PP-

ACTIVE

Tx AC common-mode voltage active

Rx EQ setting matches input channel

loss; Max mismatch from Txp + Txn for

both time and amplitude; –40

℃ to 85℃;

100

mVpp

VTX-IDLE-

DIFF-AC-PP

AC electrical idle differential peak-to-peak

output voltage

At package pins

VTX-IDLE-

DIFF-DC

DC electrical idle differential output

voltage

At package pins after low-pass filter to

remove AC component

RTX-DIFF Differential impedance of the driver

120

CAC-

COUPLING

AC coupling capacitor

265

RTX-CM

Common-mode impedance of the driver

Measured with respect to AC ground over

0V to 500mV

ITX-SHORT TX short circuit current

TX + /- shorted to GND

RLTX-DIFF Differential return loss

50MHz to 2.5GHz at 90Ω

–13

RLTX-DIFF Differential return loss

5GHz at 90Ω

–10.5

RLTX-CM Common-mode return loss

50MHz to 5GHz at 90Ω

–10

AC Characteristics

Crosstalk

Differential cross talk between TX and RX

signal pairs

At 5GHz

-30

GLF

Low-frequency voltage gain for 0dB

setting.

At 100MHz; 200mVpp < VID < 2000mVpp;

0dB DC Gain;

–1

CP1 dB-

LF-1100

Low-frequency –1dB compression point

At 100MHz; 200 mVpp < VID < 2000

mVpp; 1100mVpp linearity setting;

1100

mVpp

CP1 dB-

HF-1100

High-frequency –1dB compression point

At 5GHz; 200mVpp < VID < 2000 mVpp;

1100mVpp linearity setting;

1200

mVpp

fLF

Low-frequency cutoff

200mVpp < VID < 2000mVpp

kHz

TX output deterministic jitter

200mVpp < VID < 2000mVpp, PRBS7,

10Gbps

0.07

UIpp

TX output deterministic jitter

200mVpp < VID < 2000mVpp, PRBS7,

8.1Gbps

0.07

UIpp

TX output total jitter

200mVpp < VID < 2000mVpp, PRBS7,

10Gbps

0.11

UIpp

TX output total jitter

200 mVpp < VID < 2000 mVpp, PRBS7,

8.1Gbps

0.11

UIpp

DisplayPort Receiver (UTX1P/N, UTX2P/N, URX1P/N, URX2P/N)

VID_PP

Peak-to-peak input differential dynamic

voltage range

1500

VIC

Input common-mode voltage

CAC

AC coupling capacitance

265

EQDP

Receiver equalizer

DPEQ1, DPEQ0 at 4.05GHz

9.5

Data rate

UHBR10

10.0

Gbps

Rti

Input Termination resistance

100

120

DisplayPort Transmitter (DTX1P/N, DTX2P/N, DRX1P/N, DRX2P/N)

VTX-

DIFFPP

VOD dynamic range

1500

AUXP/N and SBU1/2

RON

Output ON resistance

VCC = 3.3V; VI = 0V to 0.4V for AUXP; VI

= 2.7V to 3.6V for AUXN

ΔRON

ON resistance mismatch within pair

VCC = 3.3V; VI = 0V to 0.4V for AUXP; VI

= 2.7V to 3.6V for AUXN

2.0

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TUSB1044A

SLLSG07 – MARCH 2025

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