On improving the linearity of DACs using TIAMPs

On improving the linearity of DACs using TIAMPs

Linearity of a D/A converter using TIAMPs is analyzed. Proof of the fact that DNL at the first-major carry is most sensitive to the gain error of the TIAMPs is given. Results of the linearity analysis lead to an optimum D/A converter configuration using non-identical cells. A TIAMP design with low c...

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Bibliographische Detailangaben
Hauptverfasser: Chong, C.P., Smith, K.C., Vranesic, Z.G.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
CMOS process
Differential equations
Libraries
Linearity
Silicon
Voltage
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Zusammenfassung:Linearity of a D/A converter using TIAMPs is analyzed. Proof of the fact that DNL at the first-major carry is most sensitive to the gain error of the TIAMPs is given. Results of the linearity analysis lead to an optimum D/A converter configuration using non-identical cells. A TIAMP design with low closed-loop-gain error is described. Experimental results show that accuracy of the TIAMP DAC, limited by channel mismatches of the TIAMPs, has been increased to 11 bits.< >
DOI:10.1109/ISCAS.1991.176663