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	<title>Mastering Electronics Design&#187; analog to digital converters</title>
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	<link>http://masteringelectronicsdesign.com</link>
	<description>Electronics Design and Modeling with Emphasis on Analog Design</description>
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		<title>An ADC and DAC Least Significant Bit (LSB)</title>
		<link>http://masteringelectronicsdesign.com/an-adc-and-dac-least-significant-bit-lsb/</link>
		<comments>http://masteringelectronicsdesign.com/an-adc-and-dac-least-significant-bit-lsb/#comments</comments>
		<pubDate>Tue, 23 Mar 2010 07:03:05 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Mixed-Signal Design]]></category>
		<category><![CDATA[ADC]]></category>
		<category><![CDATA[analog to digital converters]]></category>
		<category><![CDATA[DAC]]></category>
		<category><![CDATA[digital to analog converters]]></category>
		<category><![CDATA[LSB]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=1331</guid>
		<description><![CDATA[Articles on Internet and different books show how to calculate the Least Significant Bit (LSB), but they take into consideration either the voltage reference (Vref) or the full scale (FS) of the ADC or DAC.  Many times this leads to confusion, as a few messages I received from my readers show.  Therefore, this article shows both ways of defining the LSB, so that people will have a clear understanding how to treat an ADC’s (Analog-to-Digital-Converter) or DAC’s (Digital-to-Analog-Converter) LSB.


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/an-adc-and-dac-integral-non-linearity-inl/' rel='bookmark' title='Permanent Link: An ADC and DAC Integral Non-Linearity (INL)'>An ADC and DAC Integral Non-Linearity (INL)</a></li><li><a href='http://masteringelectronicsdesign.com/an-adc-and-dac-differential-non-linearity-dnl/' rel='bookmark' title='Permanent Link: An ADC and DAC Differential Non-Linearity (DNL)'>An ADC and DAC Differential Non-Linearity (DNL)</a></li><li><a href='http://masteringelectronicsdesign.com/design-a-unipolar-to-bipolar-converter-for-a-unipolar-voltage-output-dac/' rel='bookmark' title='Permanent Link: Design a Unipolar to Bipolar Converter for a Unipolar Voltage Output DAC'>Design a Unipolar to Bipolar Converter for a Unipolar Voltage Output DAC</a></li></ol>]]></description>
		<wfw:commentRss>http://masteringelectronicsdesign.com/an-adc-and-dac-least-significant-bit-lsb/feed/</wfw:commentRss>
		<slash:comments>1</slash:comments>
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		<item>
		<title>Design a Bipolar to Unipolar Converter to Drive an ADC</title>
		<link>http://masteringelectronicsdesign.com/design-a-bipolar-to-unipolar-converter/</link>
		<comments>http://masteringelectronicsdesign.com/design-a-bipolar-to-unipolar-converter/#comments</comments>
		<pubDate>Mon, 26 Oct 2009 06:50:56 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Electronic Circuits Examples]]></category>
		<category><![CDATA[Mixed-Signal Design]]></category>
		<category><![CDATA[Summing amplifier]]></category>
		<category><![CDATA[ADC]]></category>
		<category><![CDATA[analog to digital converters]]></category>
		<category><![CDATA[bipolar]]></category>
		<category><![CDATA[op amp]]></category>
		<category><![CDATA[operational amplifier]]></category>
		<category><![CDATA[summing amplifier examples]]></category>
		<category><![CDATA[unipolar]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=908</guid>
		<description><![CDATA[Most ADCs have a unipolar input range that can be a problem when designing bipolar circuits.  Some common ADC input voltage ranges are 0 to 2.5 V, or 0 to 5 V.  However, the analog circuit that drives the ADC can have voltage swings of, –1 V to +1 V, –2 V to +2 V , –5 V to +5 V, and so on.  Bringing the ADC input below ground is a big No-No, because the current from input will flow through the chip substrate creating irreversible changes in the ADC and damage it.  So, how do we connect a bipolar front end circuit with a unipolar ADC?  Enters the bipolar to unipolar converter.  Let’s design one.


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/design-a-unipolar-to-bipolar-converter-for-a-unipolar-voltage-output-dac/' rel='bookmark' title='Permanent Link: Design a Unipolar to Bipolar Converter for a Unipolar Voltage Output DAC'>Design a Unipolar to Bipolar Converter for a Unipolar Voltage Output DAC</a></li><li><a href='http://masteringelectronicsdesign.com/bipolar-to-unipolar-converter-examples/' rel='bookmark' title='Permanent Link: Bipolar to Unipolar Converters Based on a Summing Amplifier Configuration'>Bipolar to Unipolar Converters Based on a Summing Amplifier Configuration</a></li><li><a href='http://masteringelectronicsdesign.com/design-a-summing-amplifier-calculator/' rel='bookmark' title='Permanent Link: How to Design a Summing Amplifier Calculator'>How to Design a Summing Amplifier Calculator</a></li></ol>]]></description>
		<wfw:commentRss>http://masteringelectronicsdesign.com/design-a-bipolar-to-unipolar-converter/feed/</wfw:commentRss>
		<slash:comments>8</slash:comments>
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		<title>An ADC and DAC Differential Non-Linearity (DNL)</title>
		<link>http://masteringelectronicsdesign.com/an-adc-and-dac-differential-non-linearity-dnl/</link>
		<comments>http://masteringelectronicsdesign.com/an-adc-and-dac-differential-non-linearity-dnl/#comments</comments>
		<pubDate>Sat, 01 Aug 2009 19:17:45 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Mixed-Signal Design]]></category>
		<category><![CDATA[ADC]]></category>
		<category><![CDATA[analog to digital converters]]></category>
		<category><![CDATA[DAC]]></category>
		<category><![CDATA[digital to analog converters]]></category>
		<category><![CDATA[DNL]]></category>
		<category><![CDATA[linearity]]></category>
		<category><![CDATA[linearity error]]></category>
		<category><![CDATA[LSB]]></category>
		<category><![CDATA[non-linearity]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=460</guid>
		<description><![CDATA[As in the case of INL, DNL is an important parameter of an ADC or DAC because it is a measure of their non-linearity.  DNL stands for Differential Non-Linearity and quantifies the ADC or DAC precision.


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/an-adc-and-dac-integral-non-linearity-inl/' rel='bookmark' title='Permanent Link: An ADC and DAC Integral Non-Linearity (INL)'>An ADC and DAC Integral Non-Linearity (INL)</a></li><li><a href='http://masteringelectronicsdesign.com/an-adc-and-dac-least-significant-bit-lsb/' rel='bookmark' title='Permanent Link: An ADC and DAC Least Significant Bit (LSB)'>An ADC and DAC Least Significant Bit (LSB)</a></li><li><a href='http://masteringelectronicsdesign.com/design-a-unipolar-to-bipolar-converter-for-a-unipolar-voltage-output-dac/' rel='bookmark' title='Permanent Link: Design a Unipolar to Bipolar Converter for a Unipolar Voltage Output DAC'>Design a Unipolar to Bipolar Converter for a Unipolar Voltage Output DAC</a></li></ol>]]></description>
		<wfw:commentRss>http://masteringelectronicsdesign.com/an-adc-and-dac-differential-non-linearity-dnl/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
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		<title>An ADC and DAC Integral Non-Linearity (INL)</title>
		<link>http://masteringelectronicsdesign.com/an-adc-and-dac-integral-non-linearity-inl/</link>
		<comments>http://masteringelectronicsdesign.com/an-adc-and-dac-integral-non-linearity-inl/#comments</comments>
		<pubDate>Sun, 26 Jul 2009 20:04:06 +0000</pubDate>
		<dc:creator>Adrian S. Nastase</dc:creator>
				<category><![CDATA[Analog Design]]></category>
		<category><![CDATA[Mixed-Signal Design]]></category>
		<category><![CDATA[ADC]]></category>
		<category><![CDATA[analog to digital converters]]></category>
		<category><![CDATA[DAC]]></category>
		<category><![CDATA[digital to analog converters]]></category>
		<category><![CDATA[INL]]></category>
		<category><![CDATA[linearity]]></category>
		<category><![CDATA[linearity error]]></category>
		<category><![CDATA[LSB]]></category>
		<category><![CDATA[non-linearity]]></category>

		<guid isPermaLink="false">http://masteringelectronicsdesign.com/?p=450</guid>
		<description><![CDATA[What is INL?  This term describes the non-linearity of Analog to Digital Converters (ADC) and Digital to Analog Converters (DAC).  INL stands for Integral Non-Linearity.  Is this term important? Should we be concerned about this specification?  The answer is yes.


Related posts:<ol><li><a href='http://masteringelectronicsdesign.com/an-adc-and-dac-differential-non-linearity-dnl/' rel='bookmark' title='Permanent Link: An ADC and DAC Differential Non-Linearity (DNL)'>An ADC and DAC Differential Non-Linearity (DNL)</a></li><li><a href='http://masteringelectronicsdesign.com/an-adc-and-dac-least-significant-bit-lsb/' rel='bookmark' title='Permanent Link: An ADC and DAC Least Significant Bit (LSB)'>An ADC and DAC Least Significant Bit (LSB)</a></li><li><a href='http://masteringelectronicsdesign.com/design-a-unipolar-to-bipolar-converter-for-a-unipolar-voltage-output-dac/' rel='bookmark' title='Permanent Link: Design a Unipolar to Bipolar Converter for a Unipolar Voltage Output DAC'>Design a Unipolar to Bipolar Converter for a Unipolar Voltage Output DAC</a></li></ol>]]></description>
		<wfw:commentRss>http://masteringelectronicsdesign.com/an-adc-and-dac-integral-non-linearity-inl/feed/</wfw:commentRss>
		<slash:comments>2</slash:comments>
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