Datasheet > ATTL7582BAE-TR

ATTL7582BAE-TR

更新时间： 2024-11-07 22:27:19

品牌	Logo	应用领域
杰尔 - AGERE		电信集成电路光电二极管
页数	文件大小	规格书
16页	320K
描述
Tip Ring Access Switch

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中文翻译

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数据手册

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ATTL7582BAE-TR 数据手册

Data Sheet

November 1999

L7582 Tip Ring Access Switch

log line card applications. An additional pair of solid-

state contacts provides access to the telephone loop

for line test access or message waiting in the PBX

application.

Features

■ Small size/surface-mount packaging

■ Monolithic IC reliability

The L7582 has four states: the idle talk state (line

break switches closed, ringing and loop access

switches open), the power ringing state (ringing

access switches closed, line break and loop access

switches open), loop access state (loop access

switches closed, line break and ringing access

switches open), and an all OFF state.

■ Low impulse noise

■ Make-before-break, break-before-make operation

■ Clean, bounce-free switching

■ Low, matched ON-resistance

■ Built-in current limiting, thermal shutdown, and

The L7582 offers break-before-make or make-before-

break switching, with simple logic level input control.

Because of the solid-state construction, voltage tran-

sients generated when switching into an inductive

ringing load during ring cadence or ring trip are mini-

mized, possibly eliminating the need for external zero

cross switching circuitry. State control is via logic

level inputs so no additional driver circuitry is

required.

SLIC protection

■ 5 V only operation, very low power consumption

■ Battery monitor, all OFF state upon loss of battery

■ No EMI

■ Latched logic level inputs, no drive circuitry

■ Only one external protector required

The line break switch is a linear switch that has

exceptionally low ON-resistance and an excellent

ON-resistance matching characteristic. The ringing

access switch has a breakdown voltage rating

>480 V which is sufficiently high, with proper protec-

tion, to prevent breakdown in the presence of a tran-

sient fault condition (i.e., passing the transient on to

the ringing generator).

Applications

■ Central office

■ DLC

■ PBX

■ DAML

Incorporated into the L7582Axx is a diode bridge/

SCR clamping circuit, current-limiting circuitry, and a

thermal shutdown mechanism to provide protection

to the SLIC device and subsequent circuitry during

fault conditions (see Figure 1). Positive and negative

lightning is reduced by the current-limiting circuitry

and steered to ground via diodes and the integrated

SCR. Power cross is also reduced by the current-

limiting and thermal shutdown circuits.

■ HFC/FITL

Description

The L7582 Tip Ring Access Switch is a monolithic

solid-state device that provides the switching

functionality of a 2 form C switch.

The L7582 is designed to provide power ringing

access to tip and ring in central office, digital loop

carrier, private branch exchange, digitally added

main line, and hybrid fiber coax/fiber-in-the-loop ana-

12 3 4 5 6 7...16

中文翻译

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与ATTL7582BAE-TR相关器件

型号	品牌	获取价格	描述	数据表
ATTL7582BC	AGERE	获取价格	Tip Ring Access Switch
ATTL7582BE	ETC	获取价格	Telecom Switching Circuit
ATTL7583AAJ	ETC	获取价格	LH1263 E&M Signaling Circuit
ATTL7583AAJ-D	AGERE	获取价格	Line Card Access Switch
ATTL7583AAJ-DT	AGERE	获取价格	Line Card Access Switch
ATTL7583ACG	ETC	获取价格	LH1263 E&M Signaling Circuit
ATTL7583AF	AGERE	获取价格	Line Card Access Switch
ATTL7583BAJ	ETC	获取价格	LH1263 E&M Signaling Circuit
ATTL7583BAJ-D	AGERE	获取价格	Line Card Access Switch
ATTL7583BAJ-DT	AGERE	获取价格	Line Card Access Switch

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