ADS7881IRGZT

Analog To Digital Converters (ADC) Overview

The ADS7881IRGZT is a 12-bit, 4-MSPS low-power successive approximation register (SAR) analog-to-digital converter manufactured by Texas Instruments. It features a fully differential input architecture and an internal reference voltage source. The device operates with a digital supply voltage range of 2.7V to 5.25V and an analog supply of 5V. It utilizes a parallel data interface for high-speed throughput. The component is housed in a 20-pin VQFN package and supports an operating temperature range from -40°C to +85°C.

Analog To Digital Converters (ADC) Feature Summary

• Supports high-speed sampling at up to 4 MSPS with 12-bit resolution
• Features a fully differential analog input stage for improved noise rejection
• Integrates an on-chip precision reference voltage to reduce external component count
• Utilizes a parallel output interface for direct connection to processors or FPGAs

Analog To Digital Converters (ADC) Applications

• Portable medical instrumentation requiring high-resolution signal acquisition
• Industrial process control systems utilizing differential sensor inputs
• Data acquisition modules for test and measurement equipment
• Imaging and video signal processing front-ends

Analog To Digital Converters (ADC) Procurement Notes

Verify the specific suffix 'RGZT' corresponds to the tape-and-reel packaging variant when sourcing. Confirm that the internal reference configuration matches system requirements, as some variants may require external buffering. Ensure the parallel interface timing aligns with the host controller's clock domain to prevent data corruption during high-speed transfers.

Analog To Digital Converters (ADC) Selection Notes

Select this component when a combination of moderate resolution and high sampling speed is required. The integrated reference simplifies board layout compared to external reference designs. Consider the parallel interface complexity against serial alternatives if pin count is constrained. Verify power consumption limits against battery-operated application constraints given the micropower architecture.

Analog To Digital Converters (ADC) Part Context

This part belongs to the ADS788x family of SAR ADCs from Texas Instruments. It shares architectural similarities with the ADS7882 and ADS7891 but offers distinct performance trade-offs in speed and resolution. The family is designed for applications demanding low power consumption without sacrificing significant bandwidth or accuracy.

Analog To Digital Converters (ADC) Replacement Considerations

The ADS7882IPFBR serves as a comparable alternative within the same product family, offering similar 12-bit resolution and parallel interface capabilities. Verify pin compatibility and electrical specifications before substitution.