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Implementation of 4-bit Direct Charge Transfer Switched Capacitor DAC with mismatch shaping techniquePublished in Institute of Electrical and Electronics Engineers Inc.
2015
Direct Charge Transfer Switched Capacitor (DCT-SC) DAC is the internal DAC used in Delta-Sigma (ΔΣ) DAC which works on Over-Sampling concept. The Switched Capacitor DAC mainly suffers from mismatch among capacitors. Mismatch among capacitors in DAC, causes nonlinearity between output and input. Dynamic Element Matching (DEM) technique is used to match the capacitors. According to element selection logic there are many types. In this paper Data Weighted Averaging (DWA) technique is used for mismatch shaping. In this paper the 4 bit DCT-SC-DAC with DWA-DEM technique is implemented using WINSPICE simulation software in 180nm CMOS technology. DNL for DAC with DWA is ±0.03 LSB and INL is ± 0.02LSB. © 2015 IEEE.
Topics: Integral nonlinearity (70)%70% related to the paper, Switched capacitor (58)%58% related to the paper and Capacitor (55)%55% related to the paper
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About the journal
| Journal | Data powered by Typeset2015 International Conference on Pervasive Computing: Advance Communication Technology and Application for Society, ICPC 2015 |
|---|---|
| Publisher | Data powered by TypesetInstitute of Electrical and Electronics Engineers Inc. |
Authors (1)
Anuja Amlesh Askhedkar- Low Power, Low Area Digital Modulators using Gate Diffusion Input Technique
- Implementation and Analysis of Low Power Consumption Full Swing GDI Full Adders
- Design of Low Power Full Adder Circuits Using CMOS Technique
- Implementation of 4-bit Direct Charge Transfer Switched Capacitor DAC with mismatch shaping technique
