位置:L9218A > L9218A详情

L9218A中文资料

厂家型号

L9218A

文件大小

378.92Kbytes

页面数量

30

功能描述

Low-Cost Line Interface

数据手册

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生产厂商

AGERE

L9218A数据手册规格书PDF详情

Description

This general-purpose electronic subscriber loop interface circuit (SLIC) is optimized for low cost, while still providing a satisfactory set of features.

The L9218 is pin-for-pin compatible with the Agere L9219 and L9217 SLICs.

The L9218 requires a 5 V power supply and single battery to operate. This is a forward battery only device. Additionally, a low-power scan mode, wherein all circuitry except the off-hook supervision is shut down to conserve power, is available.

Features

■ Basic forward battery only SLIC functionality at a low cost

■ Pin compatible with Agere Systems Inc. L9219 and L9217 SLIC

■ Low active power (typical 138 mW during on-hook transmission)

■ Low-power scan mode for low-power, on-hook power dissipation (59 mW typical)

■ Minimal external components

■ Distortion-free, on-hook transmission

■ Convenient operating states:

— Forward battery low current limit

— Forward battery high current limit

— Low-power scan

— Disconnect (high impedance)

■ Adjustable supervision functions:

— Off-hook detector with hysteresis

— Ring trip detector

■ Logic controlled high and low current limit

■ Two gain options to optimize the codec interface

■ Thermal protection with thermal shutdown indication

L9218A产品属性

  • 类型

    描述

  • 型号

    L9218A

  • 制造商

    AGERE

  • 制造商全称

    AGERE

  • 功能描述

    Low-Cost Line Interface

更新时间:2025-10-7 10:31:00
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