DS21Q48 Datasheet - Dallas Semiconducotr

DS21Q48, 5V E1/T1/J1 Line Interface

DS2148/DS21Q48 5V E1/T1/J1 Line Interface www.maxim-ic.com .
44 1 44 TQFP. 7mm CABGA ORDERING INFORMATION Single-Channel Dev.

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Datasheet Details

Part number:

DS21Q48

Manufacturer:

Dallas Semiconducotr

File Size:

544.74 KB

Description:

5V E1/T1/J1 Line Interface

Features

* Complete E1, T1, or J1 line interface unit (LIU) Supports both long- and short-haul trunks Internal software-selectable receive-side termination for 75Ω/100Ω/120W 5V power supply 32-bit or 128-bit crystal-less jitter attenuator requires only a 2.048MHz master clock for

Applications

* Throughout the data sheet, J1 is represented wherever T1 exists. Receive sensitivity adjusts automatically to the incoming signal and can be programmed for 0dB to 12dB or 0dB to 43dB for E1 applications and 0dB to 30dB or 0dB to 36dB for T1 applications. The device can generate the necessary G.703

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DS21Q48 Line Interface Dallas Semiconducotr

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