XRT73L03 datasheet(21/62 Pages) EXAR

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3 CHANNEL E3/DS3/STS-1 LINE INTERFACE UNIT

XRT73L03

PRELIMINARY

REV. P1.0.13

ELECTRICAL CHARACTERISTICS (CONTINUED), (TA = 250C, VDD = 3.3V + 5%, UNLESS OTHERWISE SPECIFIED)

Line Side Parameters E3 Application

Transmit Characteristics (see Figure 3)

SYMBOL

PARAMETER

MIN.TYP.MAX

UNITS

Transmit Output Pulse Amplitude

(Measured at Secondary Output of Transformer, see Figure 1)

0.9

1.0

1.1

Vpk

Transmit Output Pulse Amplitude Ratio

0.95

1.00

1.05

Transmit Output Pulse Width

12.5

14.55

16.5

Transmit Output Pulse Width Ratio

0.95

1.00

1.05

Transmit Output Jitter with jitter-free input @ TxClk(n)

0.02

0.05

UIpp

Receive Line Characteristics (See Figure 5)

Receive Sensitivity (Length of cable)

1200

feet

Interference Margin

TBD

Signal Level to Declare Loss of Signal

-35

Signal Level to Clear Loss of Signal

-15

Occurrence of LOS to LOS Declaration Time

255

Termination of LOS to LOS Clearance Time

255

Intrinsic Jitter (As Measured in the RxClk(n) signal)

TBD

Jitter Transfer Function, -3dB Frequency

TBD

kHz

Jitter Transfer Function, Peak Gain

TBD

Jitter Tolerance @ Jitter Frequency = 100Hz

TBD

Jitter Tolerance @ Jitter Frequency = 1kHz

TBD

Jitter Tolerance @ Jitter Frequency = 10kHz

TBD

Jitter Tolerance @ Jitter Frequency = 800kHz

TBD

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