ADC0803LCN/NOPB

Product Overview

Category

The ADC0803LCN/NOPB belongs to the category of Analog-to-Digital Converters (ADCs).

Use

This product is used to convert analog signals into digital data for processing and analysis in various electronic systems.

Characteristics

• 8-bit resolution
• Single-channel input
• Successive approximation conversion technique
• Low power consumption
• Wide operating voltage range

Package

The ADC0803LCN/NOPB is available in a 20-pin PDIP (Plastic Dual In-line Package) package.

Essence

The essence of the ADC0803LCN/NOPB lies in its ability to accurately convert analog signals into digital form, enabling further processing and analysis by digital systems.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 25 units per reel/tube.

Specifications

• Resolution: 8 bits
• Input Voltage Range: 0V to Vref (Reference Voltage)
• Conversion Time: 100 microseconds (max)
• Operating Voltage Range: 4.5V to 6.3V
• Power Consumption: 15mW (typical)

Detailed Pin Configuration

1. INTR (Interrupt Output)
2. Vref+ (Positive Reference Voltage)
3. Vref- (Negative Reference Voltage)
4. AGND (Analog Ground)
5. Vin (Analog Input)
6. CS (Chip Select)
7. RD (Read)
8. WR (Write)
9. CLK (Clock)
10. OUT (Digital Output MSB)
11. OUT
12. OUT
13. OUT
14. OUT
15. OUT
16. OUT
17. OUT
18. OUT (Digital Output LSB)
19. DGND (Digital Ground)
20. Vcc (Power Supply)

Functional Features

• Successive approximation conversion technique for accurate analog-to-digital conversion.
• Single-channel input allows for precise measurement of a single analog signal.
• Interrupt output (INTR) to indicate the completion of a conversion.
• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range enables compatibility with various systems.

Advantages and Disadvantages

Advantages

• Accurate 8-bit resolution conversion.
• Low power consumption.
• Wide operating voltage range.
• Interrupt output for conversion completion notification.

Disadvantages

• Limited to single-channel input.
• Relatively slower conversion time compared to higher-resolution ADCs.

Working Principles

The ADC0803LCN/NOPB utilizes the successive approximation technique to convert analog signals into digital form. It sequentially compares the input voltage with a reference voltage using a binary search algorithm. The conversion process is controlled by the CS, RD, WR, and CLK pins. Upon completion of the conversion, the result is available at the digital output pins.

Detailed Application Field Plans

The ADC0803LCN/NOPB finds applications in various fields, including:

1. Industrial automation: Used for monitoring and control of analog signals in industrial processes.
2. Data acquisition systems: Enables the digitization of analog data for further processing and analysis.
3. Medical equipment: Used in medical devices for accurate measurement and monitoring of physiological signals.
4. Instrumentation: Provides precise measurement capabilities in scientific instruments and test equipment.
5. Automotive electronics: Used for sensor signal processing in automotive systems.

Detailed and Complete Alternative Models

1. ADC0804LCN/NOPB: Similar to ADC0803LCN/NOPB but with 8-bit resolution and multiplexed input capability.
2. ADC0809CCN/NOPB: 8-bit resolution ADC with 8-channel multiplexed input and parallel output.

(Note: The above alternative models are from the same manufacturer and have similar characteristics to the ADC0803LCN/NOPB.)

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