AD7520KN National Semiconductor, AD7520KN Datasheet - Page 9

• Manufacturer Part Number: AD7520KN
• Description: 10-Bit/ 12-Bit Binary Multiplying D/A Converter
• Manufacturer: National Semiconductor

Typical Applications
MM74C00
MM74C32
MM74C74
MM74C193
FIGURE 13 A Useful Digital Input Code Generator for DAC Attenuator or Amplifier Circuits
NAND gates
OR gates
D flip-flop
down counters
Binary up
(Continued)
Binary up down counter digitally ‘‘ramps’’ the DAC
output
Can stop counting at any desired 10-bit input code
Senses up or down count overflow and automatically
reverses direction of count
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