ADS7808UG4

Analog To Digital Converters (ADC) Overview

The ADS7808UG4 is a 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It features a single-ended input channel and operates with serial interface communication. The device supports sampling rates up to 100 kSPS with a conversion time of 10 microseconds. It functions within an analog and digital supply voltage range of 4.75 V to 5.25 V, consuming approximately 81.5 mW of power. Key performance metrics include a signal-to-noise ratio of 73 dB, differential nonlinearity of ±0.45 LSB, and integral nonlinearity of ±0.45 LSB. It is housed in a 20-pin SOIC package and operates between -40°C and +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a high-speed 12-bit SAR ADC architecture for efficient data conversion.
• Supports flexible reference configurations with both external and internal options.
• Features low power consumption suitable for battery-operated systems.
• Provides accurate linearity performance with specified DNL and INL limits.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring precise analog signal digitization.
• Data acquisition modules for monitoring sensor outputs.
• Portable instrumentation devices utilizing single-supply operation.

Analog To Digital Converters (ADC) Procurement Notes

Verify component authenticity through authorized distribution channels due to the presence of counterfeits in the market. Confirm RoHS compliance status as indicated in official documentation. Check for moisture sensitivity level requirements during storage and handling. Ensure the specific suffix matches the required package variant. Validate that the source provides traceable manufacturing records.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 12-bit resolution and 100 kSPS sampling rate are sufficient for the application. Consider the single-ended input configuration and serial interface compatibility with the host microcontroller. Evaluate the 5V supply requirement against available system rails. Compare power dissipation specifications against thermal constraints of the SOIC-20 package.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7808 series of CMOS sampling analog-to-digital converters. It shares architectural similarities with other members like the ADS7809 but offers lower resolution. The series is designed for general-purpose data acquisition applications. The UG4 suffix indicates a specific lead-free packaging variant compliant with environmental standards.

Analog To Digital Converters (ADC) Replacement Considerations

Direct pin-compatible replacements may be limited due to the discontinued status. Evaluate alternative 12-bit SAR ADCs from Texas Instruments or other manufacturers with similar serial interfaces and 5V operation. Verify that substitute components meet the same SNR and linearity specifications.