ADS7811U/1KG4

Analog To Digital Converters (ADC) Overview

The ADS7811U/1KG4 is a 16-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It features a single-channel input with a sampling rate of 250 kSPS and operates on a 5 V supply. The device utilizes a serial 3-wire interface compatible with standard SPI protocols. Key performance metrics include a signal-to-noise ratio of 85 dB, differential nonlinearity of ±3 LSB, and integral nonlinearity of ±3 LSB. It functions within an industrial temperature range of -40°C to +85°C and is housed in an 8-pin SOIC package.

Analog To Digital Converters (ADC) Feature Summary

• High-resolution 16-bit data conversion capability for precision applications
• Fast 250 kSPS sampling speed suitable for dynamic signal acquisition
• Low power consumption design optimized for battery-operated systems
• Flexible serial interface supporting standard communication protocols

Analog To Digital Converters (ADC) Applications

• Portable instrumentation requiring high resolution and low power
• Industrial process control systems
• Medical equipment data acquisition
• Vibration monitoring and acoustic sensing

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix '1KG4' against the manufacturer's current datasheet to confirm packaging quantity and RoHS compliance status. Ensure the ordering part number matches the exact pinout and electrical specifications required for your circuit design. Cross-reference with official Texas Instruments documentation to validate availability and lead times before finalizing procurement plans.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a balance of high resolution and moderate speed is required. The 16-bit resolution provides detailed signal analysis, while the 250 kSPS rate handles fast-changing signals. Consider the external reference requirement and single-ended input configuration during system architecture planning. Evaluate power constraints as the device offers micro-power operation modes.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS781x family of high-speed, low-power ADCs from Texas Instruments. It shares architectural similarities with other members like the ADS7812 and ADS7813 but differs in resolution and channel count. The U package denotes an 8-pin SOIC form factor, distinguishing it from wider packages used in multi-channel variants within the same product line.

Analog To Digital Converters (ADC) Replacement Considerations

Direct substitutes may include the ADS7811U or ADS7811UA from Texas Instruments. Verify pin compatibility and electrical parameters before substitution. Alternative manufacturers may offer similar SAR ADCs, but interface timing and reference requirements must be carefully matched.