基于MAX125的多通道同时采样数据采集系统.pdf

24 11 电 力 建 设 Vol. 24 No . 11 ! 44 ! 2003 11 Ele tri Power Constru tion Nov , 2003 MAX125 张燕宁 ( , , 100044) [ ] MAX125 DSP(TMS320F206) , , MAX125 [ ] MAX 125 + : TP274 . 2 : B : 1000- 7229( 2003) 11- 0044- 03 Multi- hannel Simultaneous Sampling Data A quisition System Based on MAX125 Zhang Yanning (North Communi ation University, Beijing, 100044) [ Keywords] MAX125; multiple- hannel; data a quisition; syn hronized sampling , , , 1 4 , , MAX 125 , , 1 , ( CH1A) , MAXIM MAX125 1 234, 1 , 1 ( INT) ADC 13 s, 1 MAX125 4 14 bit RAM, , 1. 1 MAX125 RD , 4 MAX 125 MAXIM 8 4 14 MAX 125 (TH ) , 14 , 3 s, 6 bit32 bit ( ADC) , 1 + 2. 5 V , MAX 125 , 1 , 4 1 TH , TH 2 2 MAX125 , 8 MAX125 , 17 V, 1 2. 1 MAX 125 5 VMAX125 MAX 125 DSP( TMS320F206) 1 , F206 MAX 125 1. 2 MAX125 MAX 125 DSP PWM 1 16 MAX125 ( 2) , CONVST MHz DSP INT1 MAX125 1 4 MAX 125 INT : 2003- 06- 05 11 MAX 125 ! 45 ! 1 MAX125 2 MAX15 2. 2 1 MAX125 3 MAX 125 4 4, MAX125 DSP PWM 1 16 MHz , MAX125 , , LM7805 LM7905 MAX 125 MAX125 8 ,