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AM7945 - Subscriber Line Interface

This page provides the datasheet information for the AM7945, a member of the AM7945-1 Subscriber Line Interface family.

Datasheet Summary

Description

Valid Combinations Valid Combinations list configurations planned to be supported in volume for this device.

Features

  • 15 +0.20 +0.10 +0.15 +0.10 +0.15 4 µs 3 4 3 4 3, 4 4 4, 8 300 to 3.4 kHz, relative to 1 kHz 0°C to +70°C.
  • 40°C to +85°C +3 dBm to.
  • 55 dBm, reference 0 dBm 0°C to +70°C.

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Datasheet preview – AM7945

Datasheet Details

Part number AM7945
Manufacturer AMD
File Size 270.16 KB
Description Subscriber Line Interface
Datasheet download datasheet AM7945 Datasheet
Additional preview pages of the AM7945 datasheet.

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Full PDF Text Transcription

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m o .c Am7945 t4U Subscriber Line eInterface Circuit e h S DISTINCTIVE a CHARACTERISTICS t a D . w w w s Programmable constant-current feed s Current gain = 200 s Programmable loop-detect threshold s Low power Standby state s Ground-key detector s Tip Open state for ground-start lines s –19 V to –56.5 V battery operation s On-chip Thermal Management (TMG) feature s Two-wire impedance set by single external impedance s On-hook transmission s On-chip ring relay driver and relay snubber circuit s Ideal for low cost PABX and key telephone systems BLOCK DIAGRAM A(TIP) HPA HPB B(RING) m o .c U 4 t e e h S a t a .
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