ADS7822E/2K5

Analog To Digital Converters (ADC) Overview

The ADS7822E/2K5 is a 12-bit successive approximation analog-to-digital converter (ADC) 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 for data communication. It is housed in an 8-pin SOIC package and supports pseudo-differential or single-ended input configurations. The component is rated for operation within a temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Micro-power consumption architecture designed for battery-operated applications
• High-speed 12-bit resolution with 200 kSPS sampling capability
• Flexible 3-wire serial interface compatible with standard microprocessors

Analog To Digital Converters (ADC) Applications

• Portable instrumentation systems requiring low power consumption
• Industrial process control data acquisition
• Battery-powered measurement devices

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix '2K5' indicates tape-and-reel packaging containing 2500 units per reel. Confirm the 'E' suffix corresponds to the commercial temperature grade (-40°C to +85°C). Ensure the package type matches the required PCB footprint, typically SOIC-8 for this designation. Cross-reference the manufacturer's latest datasheet to confirm pinout compatibility and electrical specifications before finalizing procurement orders.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a balance between moderate speed (200 kSPS) and low power consumption is required. It is suitable for applications needing 12-bit accuracy without the complexity of multi-channel architectures. Consider the external reference requirement if high precision is critical, as the device does not include an internal reference source. Evaluate the 3-wire interface timing constraints against the host microcontroller capabilities.

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 ADS7822EB and ADS7822U but differs in package style and packaging quantity. The 'E' variant specifically denotes the industrial temperature range and SOIC package, distinguishing it from the MSOP/VSSOP versions or tube-packaged equivalents within the same product line.

Analog To Digital Converters (ADC) Replacement Considerations

Direct substitutes within the same family include ADS7822EB/2K5 (MSOP package) and ADS7822U/2K5 (SOIC package). Verify that any replacement maintains the 200 kSPS sampling rate and 12-bit resolution. Check for pinout compatibility, especially regarding the serial interface pins, when swapping between different package types such as SOIC and VSSOP.