4–80 An R-2R DAC is shown in Figure P4–80. The digital voltages v1, v2, etc., can be either 5 V for a logic 1 or 0 V for a logic 0. What is the DAC’s output when the logic input is

(0, 1, 0 1)?

Transcribed Image Text:

VA 6+= 6+21 V2 2R ww 2R w 2R R R + 2R w w VB ww V3 +9 VA 2R w R 2R Vc www +10 FIGURE P4-80