文件名称:Care_and_Feeding_of_the_one_Bit_Digital_to_Analog_
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- 单片机(51,AVR,MSP430等)
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- [PDF]
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- 2012-11-26
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- 188kb
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The one bit digital to analog converter (DAC) is a magical circuit that accomplishes D/A conversion
without using any analog components. This a neat trick. The matched resistors required by
conventional current summing DACs become more and more difficult to make as the number of bits per
word increases. Even with laser trimming, temperature changes can adversely affect the linearity of such
converters. Avoiding the use of matched resistors results in a converter that is not only cheaper, but is
inherently linear.-The one bit digital to analog converter (DAC) is a magical circuit that accomplishes D/A conversion
without using any analog components. This is a neat trick. The matched resistors required by
conventional current summing DACs become more and more difficult to make as the number of bits per
word increases. Even with laser trimming, temperature changes can adversely affect the linearity of such
converters. Avoiding the use of matched resistors results in a converter that is not only cheaper, but is
inherently linear.
without using any analog components. This a neat trick. The matched resistors required by
conventional current summing DACs become more and more difficult to make as the number of bits per
word increases. Even with laser trimming, temperature changes can adversely affect the linearity of such
converters. Avoiding the use of matched resistors results in a converter that is not only cheaper, but is
inherently linear.-The one bit digital to analog converter (DAC) is a magical circuit that accomplishes D/A conversion
without using any analog components. This is a neat trick. The matched resistors required by
conventional current summing DACs become more and more difficult to make as the number of bits per
word increases. Even with laser trimming, temperature changes can adversely affect the linearity of such
converters. Avoiding the use of matched resistors results in a converter that is not only cheaper, but is
inherently linear.
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(eBook - pdf) Care and Feeding of the one Bit Digital to Analog Converter.pdf