DS160PR810 datasheet(9/39 Pages) TI2

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ZRX-HIGH-IMP-

DC-POS

DC input CM input impedance during

Reset or power-down

Inputs are at CM voltage

kΩ

Transmitter

ZTX-DIFF-DC

DC differential Tx impedance

Impedance of Tx during active

signaling, VID,diff = 1Vpp

100

Ω

VTX-DC-CM

Tx DC common mode Voltage

0.75

ITX-SHORT

Tx Short circuit current

Total current the Tx can supply when

shorted to GND

6.6 High Speed Electrical Characteristics

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Receiver

RLRX-DIFF

Input differential return loss

50 MHz to 1.25 GHz

-25

1.25 GHz to 2.5 GHz

-22

2.5 GHz to 4.0 GHz

-21

4.0 GHz to 8.0 GHz

-16

XTRX

Receive-side pair-to-pair isolation

Pair-to-pair isolation (SDD21) between

two adjacent receiver pairs from 10

MHz to 8 GHz.

-47

Transmitter

VTX-AC-CM-PP

Tx AC peak-to-peak common mode

voltage

Measured with lowest EQ, VOD = L2;

PRBS-7, 16 Gbps, over at least 10E6

bits using a bandpas filter from 30 Khz

to 500 Mhz

mVpp

VTX-CM-DC-

ACTIVE-IDLE-

DELTA

Absolute delta of DC common mode

voltage during L0 and Electrical Idle

VTX-CM-DC = |VOUTn+ + VOUTn–|/2,

measured by taking the absolute

difference of VTX-CM-DC during PCIe

state L0 and Electrical Idle

100

VTX-CM-DC-

LINE-DELTA

Absolute delta of DC common mode

voltage between VOUTn+ and VOUTn–

during L0

Measured by taking the absolute

difference of VOUTn+ and VOUTn– during

PCIe state L0

VTX-IDLE-DIFF-

AC-p

AC Electrical Idle differential output

voltage

Measured by taking the absolute

difference of VOUTn+ and VOUTn– during

Electrical Idle, measured with a band-

pass filter consisting of two first-order

filters. The high-pass and low-pass -3-

dB bandwidths are 10 kHz and 1.25

GHz, respectively - zero at input

VTX-IDLE-DIFF-

DC Electrical Idle differential output

voltage

Measured by taking the absolute

difference of VOUTn+ and VOUTn– during

Electrical Idle, measured with a first-

order low-pass Filter with –3-dB

bandwidth of 10 kHz

VTX-RCV-

DETECT

Amount of voltage change allowed

during receiver detection

Measured while Tx is sensing whether

a low-impedance Receiver is present.

No load is connected to the driver

output

600

RLTX-DIFF

Output differential return loss

50 MHz to 1.25 GHz

-20

1.25 GHz to 2.5 GHz

-18

2.5 GHz to 4.0 GHz

-18

4.0 GHz to 8.0 GHz

-17

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DS160PR810

SNLS658 – DECEMBER 2020

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