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One method of addressing the digital ramp ADC's shortcomings is the so-called successive-approximation ADC. The only change in this design is a very special counter circuit known as a successive-approximation register.
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www.allaboutcircuits.com/vol_4/chpt_13/6.html
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The successive approximation ADC is much faster than the digital ramp ADC because it uses digital logic to converge on the value closest to the input voltage. A comparator and a DAC are used in the process.
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hyperphysics.phy-astr.gsu.edu/hbase/electronic/adc.html
hyperphysics.phy-astr.gsu.edu/hbase/electronic/adc.html
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Analog to digital converters (ADCs) are arguably the most common mixed signal circuit in use today. The successive approximation register (SAR) type is potentially the most accurate ADC circuit, although it is not the fastest. ADCs accept a...
http://www.controleng.com/blog/Ask_Control_Engineering/...
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In order to shape (i.e. high-pass filter) the error resulting from the capacitor mismatch in the context of a successive-approximation ADC, we need Vref P C1 0 0 2 VinN 1 clock cycles. In this case, C1 was used to dump charge to the 0 Cint 2 C2 0 integrating capacitor in the first cycle and C2 in the second.
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web.engr.oregonstate.edu/~moon/research/files/avlsiw02_...
web.engr.oregonstate.edu/~moon/research/files/avlsiw02_sar.pdf
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DM54LS502/DM74LS502 8-Bit Successive Approximation Register; April 1992; DM54LS502/DM74LS502; 8-Bit Successive Approximation Register; General Description; ... Y Storage and control for successive approximation A to; D conversion; Y Performs serial-to-parallel conversion; Connection Diagram; Dual-In-Line Package; TL/F/10189Â...
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eshop.engineering.uiowa.edu/NI/pdfs/01/01/DS010189.pdf
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S. Mortezapour and E. Lee, A 1-V, *-bit successive approximation ADC in standard CMOS process , IEEE Journal of Solid-State Circuits, vol. 35, no. 4, pp. 642-646, 2000. ... S. Mortezapour and E. Lee, "A 1-V, *-bit successive approximation ADC in standard CMOS process", IEEE Journal of Solid-State Circuits, vol. 35, no. 4,
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citeseer.ist.psu.edu/context/2704864/0
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Find successive approximation adc related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of successive approximation adc information. ... Products/Services for successive approximation adc...
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data-acquisition.globalspec.com/Industrial-Directory/su...
data-acquisition.globalspec.com/Industrial-Directory/successive_approximation_adc
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A Two-Bit-per-Cycle Successive-Approximation; ADC with Background O set Calibration; Michele Casubolo1, Marco Grassi1, Andrea Lombardi1, Franco Maloberti2, and Piero Malcovati1; 1Department of Electrical Engineering and 2Department of Electronics;
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ims.unipv.it/~franco/ConferenceProc/279.pdf
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