What is ADC0808?
The ADC0808, ADC0809 data acquisition component is a monolithic CMOS device with an 8-bit analog-to-digital converter, 8-channel multiplexer and microprocessor compatible control logic. The 8-channel multiplexer can directly access any of 8-single-ended analog signals.
What is ADC and its application?
ADC stands for analog to digital converter. It is an electronic device used for converting an analog signal into a digital signal. The analog input signal of ADC is continuous time & continuous amplitude signal. The output of ADC is a discrete time and discrete amplitude digital signal.
What is the working of ADC?
ADCs follow a sequence when converting analog signals to digital. They first sample the signal, then quantify it to determine the resolution of the signal, and finally set binary values and send it to the system to read the digital signal. Two important aspects of the ADC are its sampling rate and resolution.
How many Anlog values ADC0808 can read?
ADC0808 is an 8 bit analog to digital converter with eight input analog channels, i.e., it can take eight different analog inputs. The input which is to be converted to digital form can be selected by using three address lines. The voltage reference can be set using the Vref+ and Vref- pins.
How many pins are provided by ADC0808?
Where to use a ADC0808. The ADC0808 IC is a commonly used ADC module for projects were an external ADC is required. It is a 28-pin Eight channel 8-bit ADC module. Meaning it can measure up to eight ADC value from 0V to 5V and the precision when voltage reference (Vref –pin 9) is +5V is 19.53mV (Step size).
How many pins are provided by ADC0808 for the selection of address one?
The input which is to be converted to digital form can be selected by using three address lines. The voltage reference can be set using the Vref+ and Vref- pins….ADC 0808.
| Pin No | Function | Name |
|---|---|---|
| 6 | Start conversion; input pin; a low to high pulse is given | SC |
| 7 | End of conversion; output pin; goes low when the conversion is over | EOC |
What is the output of ADC?
An ADC carries out two processes, sampling and quantization. The ADC represents an analog signal, which has infinite resolution, as a digital code that has finite resolution. The ADC produces 2N digital values where N represents the number of binary output bits.
What is the important signals required for functioning of ADC?
What is ADC? Analog-to-digital converters, abbreviated as “ADCs,” work to convert analog (continuous, infinitely variable) signals to digital (discrete-time, discrete-amplitude) signals. In more practical terms, an ADC converts an analog input, such as a microphone collecting sound, into a digital signal.
How does ADC and DAC work?
ADC and DAC Tutorial While a DAC converts a digital binary signal to an analog one such as voltage, an ADC does the reverse. When you call someone over the phone, your voice is converted into an analog electrical signal by a microphone. Then, an ADC converts the analog signal into a digital one.
What is the function of ADC and DAC?
In electronics, a digital-to-analog converter (DAC, D/A, D2A, or D-to-A) is a system that converts a digital signal into an analog signal. An analog-to-digital converter (ADC) performs the reverse function.
Why are there two pins for ground in ADC0808?
Explanation: Two grounds are available in ADC0804 to isolate analog signal from digital signal. This isolation provides accuracy in digital output. 2. Explanation: While programming the ADC0808/0809 IC firstly we need to select the channel from the A, B, C pins.
Which type of ADC is used in ADC0808?
The ADC0808 IC is a commonly used ADC module for projects were an external ADC is required. It is a 28-pin Eight channel 8-bit ADC module. Meaning it can measure up to eight ADC value from 0V to 5V and the precision when voltage reference (Vref –pin 9) is +5V is 19.53mV (Step size).
How to convert analog to digital using adc0808 microcontroller?
Now microcontroller sends a LOW to HIGH level signal to ALE pin (its active-high pin) of ADC0808 to enable the latch in the address. Then by applying HIGH to LOW Level signal to SC (Start Conversion), ADC starts analog to digital conversion.
What is the resolution of the adc0808?
Its resolution is 8 so it can encode the analog data into one of the 256 levels (2 8 ). This device has three channel address line namely: ADDA, ADDB and ADDC for selecting channel. Below is the Pin Diagram for ADC0808:
What is the working principle of transformer?
The working of the transformer is based on the principle of mutual inductance between two coils which are magnetic coupled. According to the principle of mutual inductance, when an alternating voltage is applied to the primary winding of the transformer, an alternating flux ϕ m which is called as the mutual flux is produced in the core.
What is the difference between adc0808/adc0809 and ADC0809?
It is important to note that the ADC0808/ADC0809 ADC used was a Texas Instruments chip although the notes should work just as well with a National Semiconductor device. Be sure to consult the manufactures data-sheets for other chips. The ADC0808/ADC0809 is an 8 bit ADC that also contains an 8 channel multiplexer.