Invention Grant
- Patent Title: Digital-to-analog converter with digitally controlled trim
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Application No.: US17586155Application Date: 2022-01-27
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Publication No.: US12028085B2Publication Date: 2024-07-02
- Inventor: Tanmay Neema , Gautam Salil Nandi , Rishubh Khurana , Atul Kumar Agrawal , Deepak Kumar Meher
- Applicant: Texas Instruments Incorporated
- Applicant Address: US TX Dallas
- Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee: TEXAS INSTRUMENTS INCORPORATED
- Current Assignee Address: US TX Dallas
- Agent John R. Pessetto; Frank D. Cimino
- Main IPC: H03M1/06
- IPC: H03M1/06 ; H03M1/10 ; H03M1/66 ; H03M1/68 ; H03M1/78 ; H03M1/80

Abstract:
In described examples, a digital-to-analog converter includes an output, multiple most significant bit (MSB) connector resistors each having a resistance R−ΔR, multiple least significant bit (LSB) connector resistors each having a resistance R, and multiple binary arm resistors each having a resistance 2R. The MSB connector resistors are coupled in a series beginning with the output and ending with a first one of the LSB connector resistors, and the LSB connector resistors are coupled in a series beginning with the first LSB connector resistor. A terminal of one of the binary arm resistors is coupled to an ending of the LSB connector resistor series, and a terminal of each of different remaining ones of the binary arm resistors is coupled between a different pair of the MSB and/or LSB connector resistors.
Public/Granted literature
- US20230238972A1 DIGITAL-TO-ANALOG CONVERTER WITH DIGITALLY CONTROLLED TRIM Public/Granted day:2023-07-27
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