DAC1220LCN National Semiconductor, DAC1220LCN Datasheet - Page 9

• Manufacturer Part Number: DAC1220LCN
• Description: IC DAC 12BIT BINARY 18-DIP
• Manufacturer: National Semiconductor

Specifications of DAC1220LCN

• Settling Time: 500ns
• Number Of Bits: 12
• Number Of Converters: 1
• Power Dissipation (max): 30mW
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Through Hole
• Package / Case: *
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Interface: -
• Voltage Supply Source: -
• Other names: *DAC1220LCN

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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TL H 5689– 9
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