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A fully parallel 10-bit A/D converter with video speed

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5 Author(s)

Describes a 20 MHz conversion speed, fully parallel, analog-to-digital converter device which has been designed for use at video speed. Laser trimming technology has been adopted to improve nonlinearity errors brought about by reference voltage distortion to less than 1 mV to realize a /SUP 1///SUB 2/ LSB accuracy for the 10-bit A/D converter. The large number of comparator stages required by a parallel converter leads to a high number of components and large power dissipation. Therefore, a circuit with a reduced number of components and optimized power has been used. The process employed is a 3 /spl mu/m bipolar process, which integrates about 40000 elements onto a 9.2/spl times/9.8 mm chip.

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Solid-State Circuits, IEEE Journal of  (Volume:17 ,  Issue: 6 )