A 12-bit ratio-independent algorithmic A/D converter for a capacitive sensor interface

被引：18

作者：

Jaervinen, Jere A. M. ^{[1
,2
]}

Saukoski, Mikko ^{[2
]}

Halonen, Kari A. I. ^{[2
]}

机构：

[1] Texas Instruments Inc, High Performance Analog Low Power DC DC Converter, FI-02150 Espoo, Finland

[2] Aalto Univ, Circuit Design Lab, SMARAD 2, Elect Design Lab, FI-02150 Espoo, Finland

来源：

IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS I-REGULAR PAPERS | 2008年 / 55卷 / 03期

关键词：

accelerometer; algorithmic analog-digital (A/D) converter; low power; ratio independent; sensor;

D O I：

10.1109/TCSI.2008.919749

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：

This paper describes a ratio-independent algorithmic analog-digital (A/D) converter architecture that is insensitive to capacitance ratio, amplifier offset voltage, amplifier input parasitics, and flicker noise. It requires only one differential amplifier, a dynamic latch, six capacitors, 36 switches, and some digital logic. The prototype 12-bit, 40-kS/s A/D converter (ADC) with an active die area of 0.041 mm(2) is implemented in a 0.13-mu m CMOS. The power dissipation is minimized using a dynamically biased operational amplifier. With a 68.4-mu W power dissipation, the ADC achieves 80.2-dB spurious-free dynamic range and 63.3-dB signal-to-noise and distortion ratio.

引用

页码：730 / 740

页数：11

共 50 条

[21] Investigation into the 12-bit DA converter
Yang, Weidong
Li, Ruzhang
Liu, Yong
Yang, Yonghui
Li, Kaicheng
ASICON 2007: 2007 7TH INTERNATIONAL CONFERENCE ON ASIC, VOLS 1 AND 2, PROCEEDINGS, 2007, : 664 - 667
[22] RATIO-INDEPENDENT ALGORITHMIC ANALOG-TO-DIGITAL CONVERSION TECHNIQUE.
Wai Li, Ping
Chin, Michael J.
Gray, Paul R.
Castello, Rinaldo
1600, (SC-19):
[23] A 10-bit ratio-independent cyclic ADC with offset canceling for a CMOS image sensor
聂凯明
姚素英
徐江涛
姜兆瑞
Journal of Semiconductors, 2014, 35 (03) : 132 - 140
[24] Microprocessor-compatible 12-bit A/D Converter Increases.
Renz, Udo
Hasslacher, Joerg
Elektronik Munchen, 1983, 32 (14): : 52 - 58
[25] 12-bit A/D converter fits four channels into tiny package
Schweber, B
EDN, 1996, 41 (17) : 30 - 30
[26] 12-BIT A-D CONVERTER OUTPUTS RS-232
TUITE, D
COMPUTER DESIGN, 1992, 31 (11): : 118 - 118
[27] Low cost 12-bit 10Msps A/D converter
He, LX
Shi, LZ
Liao, YG
ICEMI '97 - CONFERENCE PROCEEDINGS: THIRD INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT & INSTRUMENTS, 1997, : 276 - 279
[28] 12-BIT A/D CONVERTER CONVERTS IN 5 MU-SEC
EMMONS, T
EDN, 1986, 31 (13) : 30 - 30
[29] CMOS D-A CONVERTER WITH 12-BIT MEMORY RECALLS COMMANDS
MOORE, S
CARROLL, K
ELECTRONIC DESIGN, 1985, 33 (23) : 125 - 129
[30] A 12-bit CMOS current steering D/A converter for embedded systems
Ruiz-Amaya, Jesus
Delgado-Restituto, Manuel
Fernandez-Bootello, Juan F.
Brandano, Davide
Castro-Lopez, Rafael
de la Rosa, Jose M.
2006 IEEE ASIA PACIFIC CONFERENCE ON CIRCUITS AND SYSTEMS, 2006, : 1671 - +

← 1 2 3 4 5 →