100 V High Performance Amplifiers in BCD Technology for SLIC Applications

Author

Castello, R. ; Lari, F. ; Siligoni, M. ; Tomasini, L.

Author_Institution

Dip. Elettron., Univ. di Pavia, Pavia, Italy

Volume

1

fYear

1990

fDate

19-21 Sept. 1990

Firstpage

33

Lastpage

36

Abstract

The circuits described in this paper are a line driver and a sensing amplifier. They are part of a Subscriber Line Interface Circuit (SLIC) fabricated in BCD technology that operates up to 100 V. The driver requires about 500 μA of quiescent current, can sink and source up to 100 mA, and remains stable for all possible line lengths. The sensing amplifier senses the line current to synthesize both the ac and DC line termination. It achieves a 2 mV offset and a gain-bandwidth product of 2.5 MHz. The adopted mixed technology allows the realization of a compact single chip SLIC.

Keywords

analogue integrated circuits; driver circuits; instrumentation amplifiers; subscriber loops; BCD technology; DC line termination; bandwidth 2.5 MHz; compact single chip SLIC; high performance amplifiers; line driver; sensing amplifier; subscriber line interface circuit; voltage 100 V; voltage 2 mV; CMOS technology; Circuit stability; Circuit synthesis; Driver circuits; Frequency; Impedance; Low voltage; MOS devices; Mirrors; Switches;

fLanguage

English

Publisher

ieee

Conference_Titel

Solid-State Circuits Conference, 1990. ESSCIRC '90. Sixteenth European

Conference_Location

Grenoble

Print_ISBN

2-86332-087-4

Type

conf

Filename

5468000