US Patent 11648400 Thermometric-R2R combinational DAC architecture to improve stimulation resolution
Patent 11648400 was granted and assigned to Medtronic on May, 2023 by the United States Patent and Trademark Office.
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Edits on 14 Aug, 2023
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Patent Inventor Names
Krishna Pramod Madabhushi0
Robert W. Hocken, Jr.0
Edits on 17 May, 2023
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US Patent 11648400 Thermometric-R2R combinational DAC architecture to improve stimulation resolution
Article
The disclosure describes an implementation of a combinational thermometric-R2R that includes a thermometric DAC circuit to output the coarse output steps, an R2R circuit to control the fine output steps, and a resistor in series with the thermometric and R2R circuits. The techniques of this disclosure implement a fine resolution DAC, on the order of two nanoamps per bit, that operates at low current, yet maintains monotonicity throughout the DAC output range.
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Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
116484000
Date of Patent
May 16, 2023
0Patent Application Number
170669030
Date Filed
October 9, 2020
0Patent Citations
Patent Primary Examiner
CPC Code
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