TUSB1044 datasheet(9/67 Pages) TI1

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TUSB1044

www.ti.com

SLLSF47A – FEBRUARY 2018 – REVISED FEBRUARY 2018

Product Folder Links: TUSB1044

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Electrical Characteristics (continued)

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

CAC-

COUPLING

AC Coupling capacitor

265

RTX-CM

Common-mode impedance of the driver

Measured with respect to AC ground

over 0-500 mV

ITX-SHORT TX short circuit current

TX + /- shorted to GND

RLTX-DIFF Differential Return Loss

50 MHz – 2.5 GHz at 90 Ω

-13

RLTX-DIFF Differential Return Loss

5 GHz at 90 Ω

-10.5

RLTX-CM

Common Mode Return Loss

50 MHz – 5 GHz at 90 Ω

-10

AC Characteristics

Crosstalk

Differential Cross Talk between TX and

RX signal Pairs

At 5 GHz

-30

GLF

Low-frequency voltage gain for 0dB

setting.

At 100 MHz; 200 mVpp < VID < 2000

mVpp; 0 dB DC Gain;

-1

CP1 dB-

LF-1100

Low-frequency 1-dB compression point

At 100 MHz; 200 mVpp < VID < 2000

mVpp; 1100mVpp linearity setting;

1100

mVpp

CP1 dB-

HF-1100

High-frequency 1-dB compression point

At 5 GHz; 200 mVpp < VID < 2000

mVpp; 1100mVpp linearity setting;

1200

mVpp

fLF

Low-frequency cutoff

200 mVpp < VID < 2000 mVpp

kHz

TX output deterministic jitter

200 mVpp < VID < 2000 mVpp, PRBS7,

10 Gbps

0.07

UIpp

TX output deterministic jitter

200 mVpp < VID < 2000 mVpp, PRBS7,

8.1 Gbps

0.07

UIpp

TX output total jitter

200 mVpp < VID < 2000 mVpp, PRBS7,

10 Gbps

0.11

UIpp

TX output total jitter

200 mVpp < VID < 2000 mVpp, PRBS7,

8.1 Gbps

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 4.05 GHz

9.5

Data rate

HBR3

8.1

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

= 2.7 V to 3.6 V for AUXN

ΔRON

ON resistance mismatch within pair

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

= 2.7 V to 3.6 V for AUXN

1.3

RON_FLAT

ON resistance flatness (RON max –

RON min) measured at identical VCC

and temperature

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

= 2.7 V to 3.6 V for AUXN

VAUXP_D

C_CM

AUX Channel DC common mode voltage

for AUXP and SBU1.

VCC = 3.3 V

0.4

VAUXN_D

C_CM

AUX Channel DC common mode voltage

for AUXN and SBU2

VCC = 3.3 V

2.7

3.6

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