ADS7825U/1K

Analog To Digital Converters (ADC) Overview

The ADS7825U/1K is a 16-bit, four-channel analog-to-digital converter (ADC) from Texas Instruments. It utilizes successive approximation register (SAR) architecture and operates on a single 5V supply ranging from 4.75 V to 5.25 V. The device supports both parallel and serial interfaces with a sampling rate of 40 kS/s. Key performance metrics include an SNR of 83 dB, SINAD of 86 dB, DNL of +/- 1 LSB, and INL of +/- 3 LSB. It features over-voltage protection, accepts single-ended inputs, and dissipates 50 mW. The component is housed in a SOIC-28 package and functions within a temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Four-channel input capability for multi-point signal acquisition
• Integrated over-voltage protection for enhanced input robustness
• Flexible interface options supporting both parallel and serial communication modes

Analog To Digital Converters (ADC) Applications

• Industrial process control systems requiring high-resolution data acquisition
• Medical instrumentation utilizing single-ended sensor inputs
• Data logging equipment needing low power consumption

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'U/1K' against the manufacturer's official documentation to confirm packaging details and moisture sensitivity levels. Ensure compatibility with the required operating voltage range of 4.75 V to 5.25 V. Confirm that the SOIC-28 package dimensions align with the target PCB layout constraints before finalizing procurement orders.

Analog To Digital Converters (ADC) Selection Notes

Select this component when four independent 16-bit channels are necessary within a single package. The SAR architecture provides a balance between speed and resolution suitable for moderate-rate applications. Consider the available interface options if system bus flexibility is required. Verify that the 40 kS/s sampling rate meets the Nyquist requirements for the intended signal bandwidths.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7825 family of precision ADCs. It shares the same core architecture and pinout compatibility as other variants in the series but differs in packaging and quantity specifications. The U/1K designation typically indicates a tube or reel configuration distinct from other suffixes like 'U'.

Analog To Digital Converters (ADC) Replacement Considerations

Check for direct pin-compatible alternatives within the ADS7825 family. Verify electrical parameter equivalence, particularly resolution and sampling rate, when substituting with similar SAR ADCs from other manufacturers.