How does a successive approximation register work?
SAR is an abbreviation for Successive Approximation Register. A SAR ADC uses a series of comparisons to determine each bit of the converted result. Therefore, a SAR ADC needs at least n+1 clock cycles to convert an analog input to the ADC to a result, where n is the number of bits of the ADC.
Where are successive approximation type ADCs generally used?
One of the most common analog-to-digital converters used in applications requiring a sampling rate under 10 MSPS is the Successive Approximation Register ADC. This ADC is ideal for applications requiring a resolution between 8-16 bits. The Successive Approximation Register ADC is a must-know.
What is the conversion time of successive approximation ADC?
In practice, 8-bit successive approximation ADCs can convert in a few hundred nanoseconds, while 16-bit ones will generally take several microseconds.
What is SAR ADC algorithm?
Abstract: Successive-approximation-register (SAR) analog-to-digital converters (ADCs) represent the majority of the ADC market for medium- to high-resolution ADCs. SAR ADCs provide up to 5Msps sampling rates with resolutions from 8 to 18 bits.
What is successive approximation in math?
One method of solving what appears at first to be very daunting equations is to: assume an approximate value for the variable that will simplify the equation. solve for the variable. use the answer as the second apporximate value and solve the equation again.
What are the major elements of the successive approximation A D converter?
A successive approximation A/D converter consists of a comparator, a successive approximation register (SAR), output latches, and a D/A converter.
What is successive approximation in ABA?
SUCCESSIVE APPROXIMATION : is any behavior similar to a target behavior; it is usually one of a series of behaviors differentially reinforced in a program of shaping toward the goal of producing the target behavior.
What is capacitive DAC?
SPLIT BINARY-WEIGHTED (SBW) CAPACITIVE-ARRAY DAC. Another structure and switching sequence has been proposed for the capacitive-array DAC to reduce the power consumption due to capacitor switching is Split binary weighted capacitive array. The structure is a split binary- weighted (SBW) capacitive-array DAC is shown.
What is meant by successive approximations?
a method of shaping operant behavior by reinforcing responses similar to the desired behavior. Later, only responses closely approximating the desired behavior are reinforced. The process gradually leads to the desired behavior.
What is the difference between shaping and successive approximation?
Shaping is a type of operant conditioning that uses reinforcers to guide behavior closer towards a desired behavior. Shaping occurs through successive approximations that guide the target through incremental steps, ultimately leading to the desired goal.