ADS7825U

Analog To Digital Converters (ADC) Overview

The ADS7825U is a 16-bit, 4-channel successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates with a sampling rate of 40 kS/s and accepts single-ended inputs. The device supports both parallel and serial interfaces for data output. 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 83 dB, differential nonlinearity of +/- 1 LSB, and integral nonlinearity of +/- 3 LSB. Power consumption is rated at 50 mW. The component is housed in a SOIC-28 package and operates between -40°C and +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrated over-voltage protection on input channels
• Flexible interface options supporting parallel and serial communication modes
• Internal or external reference voltage selection capability

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring multi-channel acquisition
• Data acquisition modules for sensor interfacing
• Test and measurement equipment utilizing high-resolution analog input

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific ordering suffix against the manufacturer's official datasheet to confirm pinout compatibility and functional specifications. Ensure that any suffix variations do not alter the electrical characteristics or package dimensions required for the target design. Cross-reference the manufacturer part number with authorized distributor listings to validate authenticity and current production status before finalizing procurement plans.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a design requires four independent 16-bit channels with moderate speed. The SAR architecture provides deterministic conversion latency suitable for real-time applications. Consider the available interface modes if system bus constraints dictate parallel or serial connectivity. Verify that the single-ended input requirement aligns with the source signal characteristics and that the power dissipation fits the thermal budget of the enclosure.

Analog To Digital Converters (ADC) Part Context

This device belongs to the ADS7825 series of high-speed, low-power ADCs from Texas Instruments. It is designed for applications demanding high accuracy and multiple input channels without excessive power consumption. The series typically targets industrial automation and instrumentation where reliable analog-to-digital conversion is critical for system performance and data integrity.

Analog To Digital Converters (ADC) Replacement Considerations

Consult the official TI datasheet for confirmed substitute part numbers within the same family or compatible alternatives. Verify pin-to-pin compatibility and electrical parameter equivalence before substitution.