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Slope and level trim DAC for voltage reference

  • US 6,329,804 B1
  • Filed: 10/13/1999
  • Issued: 12/11/2001
  • Est. Priority Date: 10/13/1999
  • Status: Expired due to Term
First Claim
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1. A circuit for adjusting the level or slope trim in a voltage reference, the circuit comprising:

  • a differential amplifier connected across a reference resistor having a first terminal and a second terminal;

    a first current mirror connected to an output of the differential amplifier; and

    a second current mirror connected to the first current mirror.

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