PPT-– 1 – Data Converters DAC Professor Y. Chiu

EECT 7327 Fall 2014 DAC Architecture DAC Architecture 2 Data Converters DAC Professor Y Chiu EECT 7327 Fall 2014 Nyquist DAC architectures Binaryweighted DAC Unitelement thermometercoded DAC. Assessment 101. August . 9. , . 2011. Colorado Department of Education. Unit of Student Assessment. In regards to the administration of the state assessments, DACs ensure:. . Quality. Accuracy. Security. Alexander Gurney. Alexander Pitt. Gautam. . Puri. . 1. Digital to Analog Converters. Alexander Gurney What is a DAC?. . Applications of DACs. Alexander Pitt Types of DACs. . Binary Weighted Resistor. and . poisons. Rates of Reaction. Catalytic Converters. Exhaust fumes contain. CO – . due . to incomplete combustion of hydrocarbons. NO & NO. 2. – . N. 2. . in air is oxidised at high temperatures. To investigate the application of advanced manufacturing techniques to the fabrication and automated assembly of highly integrated power converters.. Dr Xi Lin. PEMC Research Group, University of Nottingham. EECT 7327 . Fall 2014. Oversampling ADC. Nyquist. -Rate ADC. – . 2. –. Data Converters Oversampling ADC Professor Y. Chiu. EECT 7327 . Fall 2014. The “black box” version of the quantization process. EECT 7327 . Fall 2014. Data Converter Basics. A/D and D/A Conversion. – . 2. –. Data Converters Data Converter Basics Professor Y. Chiu. EECT 7327 . Fall 2014. A/D Conversion. D/A Conversion. EECT 7327 . Fall 2014. Successive Approximation. (SA) ADC. Successive Approximation ADC. – . 2. –. Data Converters Successive Approximation ADC Professor Y. Chiu. EECT 7327 . Fall 2014. Binary search algorithm → N*. EECT 7327 . Fall 2014. Algorithmic . (Cyclic) ADC. Algorithmic (Cyclic) ADC. – . 2. –. Data Converters Algorithmic ADC Professor Y. Chiu. EECT 7327 . Fall 2014. Input is sampled first, then circulates in the loop for N clock cycles. EECT 7327 Fall 2014. Sample-and-Hold (S/H) Basics. ZOH vs. Track-and-Hold (T/H). – . 2. –. Data Converters Sample-and-Hold Professor Y. Chiu. EECT 7327 Fall 2014. Zero acquisition time. Infinite bandwidth. Subranging. ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. Subranging. ADC. Subranging. ADC Architecture. – . 2. –. Data Converters . Subranging. ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. EECT 7327 . Fall 2014. Pipelined ADC. Pipelined ADC Architecture. – . 2. –. Data Converters Pipelined ADCs Professor Y. Chiu. EECT 7327 . Fall 2014. A bucket brigade of algorithmic ADC w/ concurrent operation of all stages. 2013. 2014. 2015. 2016. 2017. 2018. 2019. 2020. Financial DW. EPIC . - Common Ambulatory Applications. DAC . - Centralized Data Access Team. EPIC - Fully Integrated EMR. PDS . - Aggregate Patient Data into EDW. 1. SPI Bus vs. Traditional Parallel Bus Connection to Microcontroller. 2. SPI Architecture. 3. SPI Clock Polarity and phase. 4. SPI Clock Polarity and phase. 5. Clock. Polarity. Clock. Phase. Data read and change time . EECT 7327 . Fall 2014. CMOS Comparator. Comparator. – . 2. –. Data Converters Comparator Professor Y. Chiu. EECT 7327 . Fall 2014. Transfer characteristic. (ideal). Circuit symbol. Detects the polarity of the analog input signal and produces a digital output (1 or 0) accordingly – threshold-crossing detector.