ADS7822EB/250G4

Analog To Digital Converters (ADC) Overview

The ADS7822EB/250G4 is a 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It features a sampling rate of 200 kSPS and operates with an analog supply voltage range of 2.7 V to 5.25 V. The device utilizes a 3-wire serial interface compatible with standard SPI protocols. It is housed in an 8-pin MSOP package and supports pseudo-differential or single-ended input configurations. Key performance metrics include a differential nonlinearity (DNL) of ±1 LSB, integral nonlinearity (INL) of ±1 LSB, and a signal-to-noise and distortion ratio (SINAD) of 71 dB. Power consumption is specified at 1.6 mW.

Analog To Digital Converters (ADC) Feature Summary

• MicroPower architecture enabling low energy operation suitable for battery-powered applications
• High-speed 200 kSPS sampling capability within a compact surface-mount package
• Flexible input configuration supporting both pseudo-differential and single-ended modes
• Standard 3-wire serial interface ensuring compatibility with common digital controllers

Analog To Digital Converters (ADC) Applications

• Portable instrumentation systems requiring low power consumption
• Industrial process control data acquisition modules
• Battery-operated measurement devices
• Medical equipment signal conditioning stages

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'G4' indicates lead-free and RoHS compliance status as per manufacturer documentation. Confirm the 'EB' designation corresponds to the MSOP-8 package variant. Ensure the '/250' reel quantity matches project requirements. Cross-reference the datasheet revision date to validate electrical parameter accuracy against current production standards.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a balance between moderate speed and ultra-low power is required. The 12-bit resolution suits general-purpose precision tasks. Consider the external reference requirement if high accuracy is needed. Compare DNL/INL specifications against application tolerance levels. Evaluate the MSOP footprint constraints against PCB layout availability.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7822 family of micro-power ADCs from Texas Instruments. It shares core architectural similarities with variants like the ADS7822UB and ADS7822EC, differing primarily in package type and specific ordering suffixes. The family is designed for applications demanding minimal power usage without sacrificing significant conversion speed or resolution.

Analog To Digital Converters (ADC) Replacement Considerations

Direct pin-compatible substitutes within the same family include ADS7822EB/2K5 and ADS7822EB-2K5. Verify package integrity and electrical parameters before substitution. Alternative packages such as SOIC-8 (ADS7822UB) may require schematic redesign due to pinout differences.