XRT5897 datasheet(7/21 Pages) EXAR

7 / 21 page

XRT5897

Rev. 1.11

ELECTRICAL CHARACTERISTICS

Test Conditions: VCC = 3.3V + 5%, TA = -40 to 25 to 75°C, Unless Otherwise Specified

Symbol

Parameter

Min.

Typ.

Max.

Unit

Conditions

DC Electrical Characteristics

Parameters

VCC

Voltage Supply

3.135

3.3

3.465

3.3V operation

Inputs

VIH

Input High Level

2.0

5.0

VIL

Input Low Level

0.8

Outputs

VOH

Output High Level

2.4

IOH = -4mA

VOL

Output Low Level

0.4

IOL = 4mA

Receiver Specifications

RXCL

Allowable Cable Loss

Cable loss at 1.024MHz (Relative

to 0dB = 2.37Vp measured from

RTIP or RRING to ground).

RXIM

Interference Margin

-15

-12

With 6dB cable loss

RXXI

Receiver Slicing Threshold

% of peak input voltage at -3dB

cable loss

RXLOSSET

LOS Must Be Set If RX Sig.

Atten. ² 32dB (For Any Valid

Data Pattern)

Relative to 0dB = 2.37Vp

Measured from RTIP or RRING to

ground.

RXLOSCLR LOS Must Be Cleared If RX Sig.

Atten. < 9dB

Relative to 0dB = 2.37Vp

measured from RTIP or RRING to

ground.

RXLOSHYST Hysteresis on Input Data

For LOS output state change

RXIN

Input Impedance

Up to 3.072MHz (Measured from

RTIP or RRING to ground).

Jitter Tolerance:

20Hz

UIpp

700Hz

UIpp

10kHz -- 100kHz

0.3

UIpp

Return Loss:

51khz -- 102kHz

Per ITU--T G.703

102kHz -- 2048kHz

2048kHz -- 3072kHz

Power Specifications VCC = 3.3V

Power Dissipation

715

920

All 1’s Transmit and Receive 75W

Power Dissipation

117

155

All Drivers Power Down

Power Consumption 75W

1260

1465

All 1’s Transmit and Receive

Power Consumption 75W

880

1065

50% data density, Transmit and Re-

ceive

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