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Dual analog-to-digital converter system for increased dynamic range

  • US 6,683,552 B2
  • Filed: 12/17/2001
  • Issued: 01/27/2004
  • Est. Priority Date: 07/17/2001
  • Status: Expired due to Fees
First Claim
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1. A dual channel analog-to-digital converter circuit, comprising:

  • two separate channels each being coupled to receive a same analog input signal, each of the two channels having a means for converting an analog input signal to a digital signal at respective sample times that are adjustable to be substantially simultaneous;

    a means for adjusting gain of both of the two channels to differ by a fixed multiplication factor;

    a means for detecting a channel overflow condition in one of the two channels having a higher gain; and

    a means for selecting one of the two channels.

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