Design of low voltage low power CMOS OP-AMPS with rail-to-rail input/output swing.

被引：0
|
作者：
Gopalaiah, SV [1 ]
Shivaprasad, AP [1 ]
Panigrahi, SK [1 ]
机构：
[1] Indian Inst Sci, Dept Elect Commun Engn, Bangalore 560012, Karnataka, India
来源：
17TH INTERNATIONAL CONFERENCE ON VLSI DESIGN, PROCEEDINGS: DESIGN METHODOLOGIES FOR THE GIGASCALE ERA | 2004年
关键词：
D O I：
10.1109/ICVD.2004.1260903
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
A novel input and output biasing circuit to extend the input common mode (CM) voltage range and the output swing to rail-to-rail in a low voltage op-amp in standard CMOS technology is presented. The input biasing circuit uses a Switched Capacitor Based Attenuator (SCBA) approach to establish rail-to-rail common mode input voltage range. And the output biasing circuit uses an Output Driver (OD), with floating bias to give the rail-to-rail swing at output stage. Three different OD schemes in operational amplifier have been proposed and tested the performance with SCBA. The simulation results justify the theoretical analysis.
引用
收藏
页码：57 / 61
页数：5
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