Datasheet > L8575

L8575

更新时间： 2024-10-18 22:31:39

品牌	Logo	应用领域
杰尔 - AGERE		/
页数	文件大小	规格书
36页	555K
描述
Dual-Resistive,Low-Cost Subscriber Line Interface Circuit(SLIC)

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L8575 数据手册

Advance Data Sheet

March 1997

L8575 Dual-Resistive, Low-Cost

Subscriber Line Interface Circuit (SLIC)

Features

Description

■ Two channels in a single package

■ Serial data interface

The L8575 is a dual-resistive, low-cost subscriber

line interface circuit (SLIC) that is optimized to meet

both ITU-T recommendations and LSSGR require-

ments for 600 Ω/900 Ω resistive and complex imped-

ance termination applications. It interfaces the low-

voltage circuits on an analog line card to the Tip and

Ring of two subscriber loops. The L8575 does not

supply dc current to the subscriber loops—external

resistors are used for this purpose.The device is built

using a 90 V complementary bipolar (CBIC) process

and is available in a 44-pin PLCC package.

■ Per-channel powerdown

■ Low standby power (≤65 mW per channel)

■ Integrated protection

■ No external protection device required

■ Battery noise cancellation

■ Switchhook detector

■ Ring-trip detector

■ Switchhook and ring-trip detector self-test

■ Fault detector

■ Zero ring voltage cross detection

■ Three relay drivers per channel

■ 44-pin, surface-mount, plastic package (PLCC)

12 3 4 5 6 7...36

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