New low-voltage class AB/AB CMOS opamp with rail-to-rail input/output swing

被引：8
|
作者：
Ramírez-Angulo, J
Sawant, MS
Thoutam, S
López-Martín, AJ
Carvajal, RG
机构：
[1] New Mexico State Univ, Klipsch Sch Elect & Comp Engn, Las Cruces, NM 88003 USA
[2] Freescale Semicond Inc Motorola, Austin, TX USA
[3] Publ Univ Navarra, Dept Elect & Elect Engn, E-31006 Pamplona, Spain
[4] Univ Seville, Dept Elect Engn, E-41092 Seville, Spain
来源：
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS | 2006年 / 53卷 / 04期
关键词：
amplifiers; analog circuits; CMOS integrated circuits; low power design; low-voltage circuits;
D O I：
10.1109/TCSII.2005.862027
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new low-voltage CMOS Class AB/AB fully differential opamp with rail-to-rail input/output swing and supply voltage lower than two V-GS drops is presented. The scheme is based on combining floating-gate transistors and Class AB input and output stages. The opamp is characterized by low static power consumption and enhanced slew-rate. Moreover the proposed opamp does not suffer from typical reliability problems related to initial charge trapped in the floating-gate devices. Simulation and experimental results in 0.5-mu m CMOS technology verify the scheme operating with +/- 0.9-V supplies and close to rail-to-rail input and output swing.
引用
收藏
页码：289 / 293
页数：5
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