Transcription of DAC基本架构II：二进制DAC - Analog Devices
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DAC基本架构II：二进制DAC - Analog Devices
1 DAC Walt Kester DAC II DAC MT-015R/8R/4R/2 RVVREFOUTMSBLSBA dapted from: B. D. Smith, "Coding by Feedback Methods," Proceedings of the I. R. E., Vol. 41, August 1953, pp. , 10/08, WK Page 1 of 10 DAC DAC DAC DAC 1920 ( 1 2 3) DAC DAC 1 DAC DAC DAC DAC DAC 2A( ) 2B( ) N DAC 1:2:4:8:..:2N 1 N LSB 2N 1 MSB 1 IC 8 DAC 128:1 MT-015 DIFFICULT TO FABRICATE IN ICFORM DUE TO LARGE RESISTOR OR CURRENT RATIOS FOR HIGH RESOLUTIONSVREFMSBLSBR2R4R8 RVREFMSBLSBR2R4R8 RCURRENT OUTPUTSINTO VIR
虽然串dac和温度计dac是迄今最为简单的dac架构，但需要高分辨率时，它们绝不是 最有效的。二进制加权dac每位使用一个开关，首创于1920年代(参见参考文献1、2和3)。 自此以后一直颇受欢迎，成为现代精密和高速dac的支柱架构。 二进制加权dac
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