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MAX14972

Dual SuperSpeed USB 3.0 Equalizer/Redriver

(Voltages referenced to GND.)

VCC ..................................................................... -0.3V to +4.0V

All Other Pins (Note 1) ........................... -0.3V to (VCC + 0.3V)

Continuous Current RX_+, RX_-, TX_+, TX_-................. Q30mA

Continuous Power Dissipation (TA = +70NC)

TQFN (derate 27.8mW/NC above +70NC) ............ 2222.2mW

Operating Temperature Range ........................... 0NC to +70NC

Junction Temperature Range ........................ -40NC to +150NC

Storage Temperature Range ......................... -65NC to +150NC

Lead Temperature (soldering, 10s) ...............................+300NC

Soldering Temperature (reflow) .....................................+260NC

TQFN

Junction-to-Ambient Thermal Resistance (

qJA) ......... 36NC/W

Junction-to-Case Thermal Resistance (

qJC) .................3NC/W

ABSOLUTE MAXIMUM RATINGS

Note 2: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-

layer board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.

Note 1: All I/O pins are clamped by internal diodes.

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional opera-

tion of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute

maximum rating conditions for extended periods may affect device reliability.

PACKAGE THERMAL CHARACTERISTICS (Note 2)

ELECTRICAL CHARACTERISTICS

(VCC = +3.0V to +3.6V, CC = 100nF coupling capacitor on each output, RL = 50I and CL = 1pF on each output, TA = 0NC to +70NC,

unless otherwise noted. Typical values are at VCC = +3.3V and TA = +25NC.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DC PERFORMANCE

Power-Supply Range

VCC

3.0

3.3

3.6

Operating Supply Current

ICC

ENRXD = 1, data rate = 5.0Gbps, D10.2

pattern, DE_ = VCC, OS_ = GND

125

ENRXD = 1, CM = 0, no output

termination

Dynamic power-down mode,

ENRXD = 1, CM = 0, with output

termination, no input signal

Standby Supply Current

ISTBY

ENRXD = 0

500

Differential Input Impedance

ZRX-DC-DIFF

120

Differential Output Impedance

ZTX-DC-DIFF

120

Single-Ended High Input

Impedance

ZRX-SE-HIGH No output termination, CM = 0 (Note 3)

Common-Mode Input Impedance

ZRX-DC-CM

(Note 3)

Common-Mode Output

Impedance

ZTX-DC-CM

(Note 4)

Common-Mode Input Voltage

VRX-DC-CM

(Note 3)

Common-Mode Output Voltage

VTX-DC-CM

(Note 3)

2.75

Active LFPS Common-Mode Delta

VLFPS-CM

Active LFPS squelched and not

squelched

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