ADC0803LCV

Analog To Digital Converters (ADC) Overview

The ADC0803LCV is an 8-bit analog-to-digital converter manufactured by National Semiconductor. It utilizes a successive approximation architecture with a resistive ladder and capacitive array, incorporating an auto-zero comparator for accuracy. The device operates on a single 5 V supply and features differential inputs compatible with the 0 V to VCC range. Its 3-state output data lines connect directly to microprocessor buses, supporting TTL and MOS logic levels. The component functions with internal or external clocks, typically guaranteed at 1 MHz.

Analog To Digital Converters (ADC) Feature Summary

• 8-bit resolution using successive approximation technique
• Single 5 V power supply operation
• Differential analog inputs (0 V to VCC)
• 3-state outputs for direct bus interfacing

Analog To Digital Converters (ADC) Applications

• Transducer-to-microprocessor interface
• Digital thermometer systems
• Digitally-controlled thermostat applications
• Microprocessor-based monitoring and control systems

Analog To Digital Converters (ADC) Part Context

The ADC0803LCV belongs to the ADC0803 family of CMOS 8-bit A/D converters. This series is designed for microprocessor-controlled environments requiring minimal external circuitry. The 'LCV' suffix indicates specific package and temperature characteristics within the broader product line, maintaining compatibility with standard digital interfaces.

Analog To Digital Converters (ADC) Replacement Considerations

Direct replacements include the ADC0803 from manufacturers such as NXP Semiconductors, Intersil Corporation, and National Semiconductor. These variants share identical functional descriptions and pinouts, ensuring interchangeability in existing designs without modification.