ADS7804U

Analog To Digital Converters (ADC) Overview

The ADS7804U 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 accepts single-ended input signals. The device utilizes a parallel interface for data output and supports both external and internal reference configurations. It functions within an analog and digital supply voltage range of 4.75 V to 5.25 V. Key performance metrics include a signal-to-noise ratio of 70 dB and a signal-to-noise and distortion ratio of 72 dB. Differential and integral nonlinearity are specified at +/- 0.9 LSB. The component is housed in a SOIC-28 package and is rated for operation 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 options with provisions for both external and internal voltage references.
• Features a parallel interface designed for direct connection to microprocessors and logic systems.

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring precise analog signal digitization.
• Data acquisition modules for monitoring sensor outputs.
• Test and measurement equipment utilizing single-ended input channels.

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'U' against the manufacturer's current documentation to confirm package type and tape/reel specifications. Ensure that the required operating temperature range aligns with the commercial/industrial ratings defined in the official datasheet. Confirm RoHS compliance status through the latest product information sheet before finalizing procurement orders.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel, 12-bit resolution is sufficient for the application requirements. Consider the parallel interface requirement carefully as it demands more GPIO pins compared to serial alternatives. Evaluate the power consumption specifications against system thermal constraints and verify that the 100 kS/s sampling rate meets the bandwidth needs of the target signal sources.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7804 series of CMOS sampling analog-to-digital converters. The series is characterized by its combination of speed and resolution suitable for general-purpose data conversion tasks. The U designation typically indicates a specific package variant within the broader product family offered by Texas Instruments.

Analog To Digital Converters (ADC) Replacement Considerations

Consult the manufacturer's replacement guide for verified cross-reference part numbers. Ensure any substitute maintains compatibility with the SOIC-28 footprint and parallel interface timing requirements without altering system functionality.