ADS7808U

Analog To Digital Converters (ADC) Overview

The ADS7808U is a single-channel, 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates with a sampling rate of 100 kS/s and features a serial CMOS interface for data output. The device supports both internal and external reference voltage configurations, accommodating analog and digital supply voltages ranging from 4.75 V to 5.25 V. 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 SOIC-20 package and functions within an operating temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a high-speed 12-bit SAR ADC core with a serial output interface for simplified microcontroller connectivity.
• Offers flexible reference input options, supporting both internal and external voltage references to adapt to various system requirements.
• Provides low power consumption characteristics suitable for battery-operated applications while maintaining high accuracy.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring precise analog signal acquisition.
• Portable instrumentation and handheld measurement devices.
• Data acquisition systems for environmental monitoring and sensor interfacing.

Analog To Digital Converters (ADC) Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Check for RoHS compliance status and moisture sensitivity level markings on the packaging. Confirm the specific suffix indicates the correct package type and temperature grade before ordering.

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. Ensure the system design accommodates the 4.75 V to 5.25 V supply requirement. Consider the SOIC-20 package dimensions for PCB layout constraints and thermal management needs.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7808 series of high-speed, low-power analog-to-digital converters. It is designed for applications requiring moderate resolution and speed. The device complements other members of the family that may offer different resolutions or channel counts.

Analog To Digital Converters (ADC) Replacement Considerations

Check for ADS7808 variants with different suffixes indicating package or temperature changes. Verify compatibility with ADS7809 if higher resolution is needed, noting the pinout differences. Consult official substitution guides for cross-referencing with similar SAR ADCs.