This application note explains about aspects of data acquisition system design. The main topic is divided into 7 section :

• Signal processing challenges
• Common ADC architectures
• System requirements
• Selecting the data converter
• Interfacing the data converter
• Signal conditioning op amp selection
• Issues of board layout

The challenges of signal processing is presented in signal processing challenges section. Common ADC architectures section describe about successive approximation register (SAR), dual-slope, sigma-delta, flash, semi-flash and pipeline. System requirements and how to select the data converter are presented in system requirements and selecting the data converter section. Interfacing the data converter section explains conventional digital receiver. How to select the signal conditioning op amp is presented in signal conditioning op amp selection section. And issues of board layout section explain about issues of board layout.

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This analog applications journal presents about a methodology of interfacing serial A-to-D converters to DSPs. The theory about serial analog-to digital converters, standard serial interface, serial port general operation are presented in detail after introduction. The main topic is divided into 9 sections :

• Introduction
• Serial analog-to-digital converters
• Standard serial interface
• Serial port general operation
• Serial port configuration
• Transmit and receive operations in burst mode
• Interfacing to sequential ADCs
• Interfacing to “on-the-fly” ADCs
• C-callable interface routines

The detail about serial analog-to-digital converters is presented in section serial analog-to-digital converters. The section standard serial interface describes about interface of standard serial. Serial port general operation and its configuration are presented in detail under section serial port general operation and serial port configuration. The section transmit and receive operations in burst mode presents how the operation of transmit and receive work in burs mode. Interfacing to sequential ADCs and “on-the fly” ADCs are described in detail in section interfacing to sequential ADCs and Interfacing to “on-the-fly” ADCs. C-callable interface routines section describes about C-callable interface routines.

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This analog application journal describes about Techniques for sampling high-speed graphics with lower-speed A/D converters.  The main topic of this journal is divide into 7 sections :

• Sample rates
• Analog front-end architecture
• Advantages and disadvantages
• Parallel ADCs
• Autocalibration
• Design example
• Summary

The explanation of the sample rate is presented in section sample rates. The architecture of Analog front-end is described in section Analog front-end architecture. The Advantages and disadvantages section contains an explanation about the advantages and disadvantages of this application. Parallel ADCs and Auto-calibration sections present the description of Parallel ADCs and Auto-calibration. The example design of this application is explained in section Design example.

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This application note describes about the precision voltage references. The main topic of this application note is divided into 7 sections :

• Introduction
• The design origins
• Band-gap reference
• Zener reference
• XFET reference
• Explanation of the parameters
• Conclusion

The design of this application is presented in the design origins section. Band-gap reference, Zener reference, and XFET reference sections, each of them presents about Band-gap, zener, and XFET reference. Specified parameters for voltage references is described in section reference selection for a 14-bit converter. The Explanation of parameters section explains the parameter that is used in this application such as initial error, temperature coefficient (TC), Thermal hysteresis, Noise (1/f and broadband), Long-term drift, Turn-on settling time, Line regulation, Load regulation, PCB layout.

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