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Home Knowledge Base

IC DAC0808 : Pin Configuration, Circuit Diagram and Applications

Nikita Bisen by Nikita Bisen
August 19, 2022
in Knowledge Base
0
  • This IC is a digital to analog converter which is used to convert 8-bit digital input data to analog signal output and the input is 8-bit data.
  • The power consumption of this IC is low and the accuracy of conversion is good.
  • The power supply current of this IC is independent of bit codes.
IC DAC0808

Working

 

  • This device needs two voltage sources +5V and -15V as shown in the above circuit diagram.
  • The DAC0808 IC has 8 input pins (A1 to A8) which are connected in MSB to LSB form.
  • The DAC0808 IC takes 8-bit parallel data from a microcontroller or microprocessor.
  • Then it converts the data into an analog signal at the output and the output data from DAC is a current quantity, and this needs to be converted into voltage parameters for use in application easily.
  • The converted the current parameter into the voltage parameter we use the op-amp circuit which is also called a current to voltage converter.

Pin Configuration

Pin Configuration : IC DAC0808
Pins Description
Pin1 (NC)- No connection
Pin2 (GND)-Ground Pin
Pin3 (VEE)-Negative (-ve) power supply
Pin4 (IO)-Input/Output signal pin
Pin5 (A1)- MSB (Digital i/p bit-1)
Pin6 (A2)-Digital i/p bit-2
Pin7 (A3)-Digital i/p bit-3
Pin8 (A4)-Digital i/p bit-4
Pin9 (A5)-Digital i/p bit-5
Pin10 (A6)-Digital i/p bit-6
Pin11 (A7)-Digital i/p bit-7
Pin12 (A8)-Digital i/p bit-8 (Least Significant Bit)
Pin13 (VCC)-Positive (+ve) power supply
Pin14 (VREF+)-Positive (+ve) reference voltage
Pin15 (VREF-)-Negative (-ve) reference voltage
Pin16 (Compensation)-Compensation capacitor pin

Applications of IC DAC0808

  • It is used in the Conversion of Audio, Electrical measurements, Analog circuits as well as digital circuits, And many more hobbyist applications.
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Nikita Bisen

Nikita Bisen

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