R 2r Ladder Dac Circuit Diagram. By margaret byrd october 14 2019. The following circuit diagram shows the basic 2 bit r 2r ladder dac circuit using op amp.
Here the bits b 2 and b 0 denote the most significant bit msb and least significant bit lsb respectively. The conversion speed reduces in this type of dac due to parasitic capacitance. It mentions advantages and disadvantages of them.
Digital to analog converter dac architecture and its.
The following circuit diagram shows the basic 2 bit r 2r ladder dac circuit using op amp. The switch positions decides the binary word ie. Adc block diagram a dac on the other hand inputs a binary. The circuit diagram of a 3 bit r 2r ladder dac is shown in the following figure recall that the bits of a binary number can have only one of the two values.