Abstract: This article answers most of the common questions regarding data converters. Presented in a classic FAQ format, it addresses topics including: defining an ADC and DAC, and understanding their principal functions; the Nyquist, effects of charge injection; techniques for digital filtering; interfacing to a serial port, I²C interface, and SPI™ interface; bit banging; MICROWIRE interface; PCB (PC-board) layout tips and guidelines; grounding tips; bypass capacitor(s)' effect on performance; debugging ADC accuracy; and debugging noisy measurements.Maxim > App Notes > A/D and D/A Conversion/Sampling Circuits Keywords: ADC, DAC, analog to digital, digital to analog, convertor, converter, data converter, data convertor, Sep 24, 2009 glossary, FAQ, nyquist, charge injection, digital filtering, serial port, I2C, SPI, bit banging, microwire, PC board layout, grounding tips, bypass APPLICATION NOTE 801 Frequently Asked Questions about Data Converters Abstract: This article answers most of the common questions regarding data converters. Presented in a classic FAQ format, it addresses topics including: defining an ADC and DAC, and understanding their principal functions; the Nyquist, effects of charge injection; techniques for digital filtering; interfacing to a serial port, IC interface, and SPI interface; bit banging; MICROWIRE ……