A BIST scheme for an SNR test of a sigma-delta ADC

Abstract
Built-In-Self- Test (BIST) for VLSI systems is desirable in order to reduce the cost per chap of production-time testing by the manufacturer. In addi- tion, it can provide the means to perform in-the-field diagnostics. This paper discusses a Mixed Analog- Digital BIST (MADBIST) for a Signal-to-Noise-Ratio test of an Analog-to-Digital Converter. The MAD- BIST stmtegy for the SNR test of the A/D Converter is introduced, accuracy issues are discussed, and ex- perimental results are presented.

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