ADS7818E/2K5

Analog To Digital Converters (ADC) Overview

The ADS7818E/2K5 is a 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It features a single differential input and operates with a sampling rate of 500 kSPS. The device utilizes an internal reference and supports SPI digital interfaces. It functions within a supply voltage range of 5V for both analog and digital domains. The component is housed in an 8-VSSOP package and is rated for operation across a temperature range of -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a high-speed 12-bit SAR ADC architecture with a built-in sample-and-hold circuit.
• Provides a single differential analog input channel for signal acquisition.
• Includes an on-chip precision voltage reference to simplify external component requirements.
• Supports standard serial communication protocols via an SPI-compatible interface.

Analog To Digital Converters (ADC) Applications

• Portable instrumentation systems requiring low power consumption
• Battery-powered data acquisition modules
• Industrial process control signal conditioning

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix against official documentation, as packaging designators may vary between cut tape, reel, or tube formats. Confirm that the E/2K5 designation aligns with the required environmental rating and RoHS compliance status for your manufacturing line. Cross-reference the manufacturer part number with authorized distributor catalogs to ensure authenticity and traceability before finalizing orders.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel, high-speed conversion is needed with minimal external support circuitry. The integrated reference eliminates the need for external voltage sources, reducing board space. Ensure the system clock frequency matches the device's maximum specifications to maintain accuracy at the 500 kSPS rate. Verify that the 8-VSSOP package dimensions fit the target PCB layout constraints.

Analog To Digital Converters (ADC) Part Context

This model belongs to the ADS7818 family of high-speed, low-power ADCs from Texas Instruments. It shares architectural similarities with other devices in the series but is distinguished by its specific pinout, package type, and interface configuration. The family is designed for applications balancing speed and power efficiency in compact form factors.

Analog To Digital Converters (ADC) Replacement Considerations

Consult the Texas Instruments datasheet for officially listed compatible replacements or upgrades. Verify pin compatibility and electrical parameter equivalence before substituting. Generic equivalents may not match the integrated reference performance or SPI timing requirements.