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Dual Slope type ADC. In dual slope type ADC, the integrator generates two different ramps, one with the known analog input voltage VA and another with a known reference voltage –Vref. Hence it is called a s dual slope A to D converter. The logic diagram for the same is shown below.
Dual Slope ADC. As the name suggests, a dual slope ADC produces an equivalent digital output for a corresponding analog input by using two (dual) slope technique. The block diagram of a dual slope ADC is shown in the following figure −.
A single and dual slope ADCs are the types that digitize the analog signals using integrator circuits, and the design of an integrator circuit uses operational amplifiers. In this type, we generate a sawtooth waveform using an op-amp as an integrator.
A dual-slope ADC, on the other hand, averages together all the spikes and dips within the integration period, thus providing an output with greater noise immunity. Dual-slope ADCs are used in applications demanding high accuracy.
The dual-slope ADC architecture was truly a breakthrough in ADCs for high resolution applications such as digital voltmeters (DVMs), etc. A simplified diagram is shown in Figure 6-80, and the integrator output waveforms are shown in Figure 6-81.
MULTI-SLOPE ADCs. Introduced in the 1950s, the "dual-slope" ADC architecture was truly a breakthrough in ADCs for high resolution applications such as digital voltmeters, etc. (see References 1-4). A simplified diagram is shown in Figure 1, and the integrator output waveforms are shown in Figure 2. ANALOG INPUT.
May 13, 2014 · Dual slope is a spin-off of the simplest types of analog-to-digital conversion, as shown in the Demonstration " Analog-to-Digital Conversion Algorithm with a Single Slope". Single slope operates by using a capacitor to create a linear voltage ramp to compare the actual signal to, and then recording the time it takes the linear ramp to reach the ...
May 2, 2002 · A dual-slope ADC (DS-ADC) integrates an unknown input voltage (V IN) for a fixed amount of time (T INT), then "de-integrates" (T DEINT) using a known reference voltage (V REF) for a variable amount of time (see Figure 2).
Apr 4, 2022 · Explore the intricacies of Dual Slope ADC in this illuminating video on Analog to Digital and Digital to Analog Converters within Linear Integrated Circuits. Discover the fundamental...
By combining some of these enhancements to the basic dual-slope design (namely multi-slope run-up and the residue ADC), it is possible to construct an integrating analog-to-digital converter that is capable of operating continuously without the need for a run-down interval.
