XRT83VSH28IB datasheet(71/74 Pages) EXAR

71 / 74 page

PRELIMINARY

XRT83VSH28

REV. P1.0.0

8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT

TABLE 47: POWER CONSUMPTION

VDD=3.3V ±5%, TA=25°C, UNLESS OTHERWISE SPECIFIED

MODE

SUPPLY

VOLTAGE

IMPEDANCE

RECEIVER

TRANSMITTER

TYP

MAX

UNIT

TEST

CONDITION

3.3V

Ω

1:1

1:2

1.188

0.891

100% ones

50% ones

3.3V

120

Ω

1:1

1:2

1.056

0.825

100% ones

50% ones

NOTE: The typical power consumption of the 1.8V supply represents ~ 36mW of the above listed.

TABLE 48: E1 RECEIVER ELECTRICAL CHARACTERISTICS

(VDD=3.3V±5%, TA=25°C UNLESS OTHERWISE SPECIFIED)

PARAMETER

MIN

TYP.

MAX

UNIT

TEST CONDITIONS

Receiver loss of signal:

Number of consecutive

zeros before LOS is set

bit

Cable attenuation @1024KHz

ITU-G.775, ETS1 300 233

Input signal level at LOS

RLOS Clear

12.5

% ones

Receiver Sensitivity

With nominal pulse amplitude of 3.0V for

120

Ω and 2.37V for 75Ω application.

Interference Margin

-18

-14

With 6dB cable loss

Input Impedance

Ω

Jitter Tolerance:

1 Hz

10KHz---100KHz

0.3

UIpp

ITU G.823

Recovered Clock Jitter

Transfer Corner Frequency

Peaking Amplitude

0.5

KHz

ITU G.736

Jitter Attenuator Corner

Frequency(-3dB curve)

JABW=0

JSBW=1

1.5

ITU G.736

Return Loss:

51KHz --- 102KHz

102KHz --- 2048KHz

2048KHz --- 3072KHz

ITU G.703

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