AD7520LN NSC [National Semiconductor], AD7520LN Datasheet - Page 9
AD7520LN
Manufacturer Part Number
AD7520LN
Description
10-Bit, 12-Bit Binary Multiplying D/A Converter
Manufacturer
NSC [National Semiconductor]
Datasheet
1.AD7520LN.pdf
(14 pages)
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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
9
TL H 5689– 9
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