ADS7818EB/250

Analog To Digital Converters (ADC) Overview

The ADS7818EB/250 is a single-channel, 12-bit successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It operates with a sampling rate of 500 kS/s and accepts differential input signals. The device requires both analog and digital supply voltages within the range of 4.75 V to 5.25 V. Key performance metrics include a signal-to-noise ratio of 72 dB, with differential and integral nonlinearity specified at +/- 1 LSB. Power consumption is rated at 11 mW, with maximum power dissipation at 20 mW. It features an internal reference and communicates via an SPI interface. The component is housed in an 8-VSSOP package and supports an operating temperature range from -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrates a high-speed 12-bit SAR ADC core with a sample-and-hold circuit for efficient data acquisition.
• Includes an on-chip internal voltage reference to simplify external component requirements.
• Supports standard serial peripheral interface (SPI) communication protocols for digital output.
• Designed for low-power operation suitable for battery-constrained or energy-efficient systems.

Analog To Digital Converters (ADC) Applications

• Portable instrumentation requiring high-resolution data conversion
• Industrial process control systems with differential sensor inputs
• Medical equipment utilizing precision analog signal processing

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'EB' against the manufacturer's current datasheet to confirm pinout compatibility and electrical specifications. Check for recent Product Change Notifications regarding packaging or material composition updates. Ensure the ordering quantity aligns with the reel or cut tape availability options provided by authorized distributors. Confirm RoHS3 compliance status if required for your manufacturing standards.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a single-channel, high-speed 12-bit resolution is required with differential input capability. It is appropriate for designs needing an integrated reference source to reduce board space. Consider the 5V supply requirement and SPI interface compatibility with the host microcontroller. Evaluate the 8-VSSOP package constraints against available PCB real estate and thermal management needs.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS7818 family of high-speed, low-power sampling ADCs from Texas Instruments. The family includes variants such as the ADS7818E/250 and ADS7835EB/250, which share similar SAR architectures but may differ in input types or specific performance characteristics. The ADS7818 series is positioned for applications balancing speed and power efficiency.

Analog To Digital Converters (ADC) Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify cross-references through official Texas Instruments resources before implementation.