ADS7818PB

Analog To Digital Converters (ADC) Overview

The ADS7818PB is a 12-bit sampling analog-to-digital converter (ADC) manufactured by Burr-Brown. It features a high-impedance fully differential analog input and supports reference voltages from 100mV to 2.5V, providing an input-referred resolution of 49µV. The device operates with low power consumption and includes automatic power-down capabilities. It is available in Mini Small Outline Package (MSOP-8), Plastic Small Outline Package (SOIC-8), and mini-DIP-8 packages.

Analog To Digital Converters (ADC) Feature Summary

• Features a high-impedance fully differential analog input for direct transducer connection
• Supports variable reference voltage ranging from 100mV to 2.5V
• Includes automatic power-down mode upon loss of serial clock signals
• Designed for micro-power operation suitable for battery-powered systems

Analog To Digital Converters (ADC) Applications

• Battery operated systems
• Remote data acquisition
• Isolated data acquisition
• AC motor control SAR control

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'PB' against official Analog Devices or Texas Instruments documentation to confirm package type and temperature grade. Ensure compatibility with existing board layouts for MSOP-8, SOIC-8, or DIP-8 footprints. Confirm that the differential input requirements match the system signal chain specifications before procurement.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a 12-bit resolution with differential input is required for low-power applications. Consider the available package options including MSOP-8, SOIC-8, and mini-DIP-8 based on space constraints. Verify that the system can support the necessary reference voltage range between 100mV and 2.5V for optimal performance.

Analog To Digital Converters (ADC) Part Context

The ADS7818PB belongs to the ADS781x family of 12-bit sampling ADCs from Burr-Brown, now part of Texas Instruments. This series is characterized by its micro-power architecture and differential input stage, designed specifically for portable and remote sensing applications where power efficiency and noise immunity are critical design parameters.

Analog To Digital Converters (ADC) FAQ

What is the input-referred resolution of the ADS7818PB?

The input-referred resolution is 49µV when using a reference voltage within the supported range.

Does the ADS7818PB have an automatic power-down feature?

Yes, the device enters automatic power-down mode upon the loss of serial clock signals.

What package options are available for the ADS7818PB?

The device is available in MSOP-8, SOIC-8, and mini-DIP-8 packages.