A high voltage line driver for subscriber loop interfaces in a low voltage submicron BiCMOS technology

被引：1

作者：

Aliahmad, M ^{[1
]}

Salama, CAT ^{[1
]}

机构：

[1] Univ Toronto, Dept Elect & Comp Engn, Toronto, ON M5S 3G4, Canada

来源：

ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 1998年 / 17卷 / 03期

基金：

加拿大自然科学与工程研究理事会;

关键词：

line driver; SLIC; high voltage IC;

D O I：

10.1023/A:1008339931899

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a 30 V line driver for short loop subscriber line interface circuit applications. The high voltage line drivers was implemented in a low-voltage 0.8 mu m BiCMOS process using 30 V extended-drain MOS transistors, fully compatible with the low voltage technology. Using a Quasi-Current Mirror architecture for the output stage, the line driver is capable of delivering more than 30 mA current into the lines with an idle current as low as 1 mA, satisfying the short loop requirements. With less than 0.24 mm(2) area, the circuit can be easily integrated with low-voltage circuitry on a single chip.

引用

页码：261 / 274

页数：14

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