TS821BIZ

Overview

The TS821BIZ is a micropower integrated circuit functioning as a high-stability, two-terminal band gap voltage reference. It provides a fixed output voltage of 1.225V with an initial accuracy of 0.5%. The device features an ultra-low input offset voltage typical of 50 µV and maximum of 200 µV, alongside excellent drift characteristics of 0.6 µV/°C. It operates within a temperature range of -40°C to +85°C and utilizes a through-hole package.

Feature Summary

• Provides stable 1.225V output via band gap reference technology
• Features ultra-low input offset voltage for high precision
• Designed for micropower applications with low current consumption

Applications

• Precision measurement systems requiring stable reference voltages
• Data acquisition circuits needing low drift performance
• Portable battery-powered instrumentation

Procurement Notes

Verify component status carefully as the TS821BIZ is listed as obsolete by major distributors. Confirm availability of alternative sources or consider equivalent replacement parts if long-term supply continuity is required. Check specific ordering suffixes for package variations.

Selection Notes

Select this component when a fixed 1.225V reference with high stability and low drift is necessary. Ensure the application requires through-hole mounting and can accommodate the specified operating temperature range. Consider power consumption constraints relative to other available reference options.

Part Context

The TS821 series represents STMicroelectronics' line of micropower voltage references. This specific model focuses on providing a stable 1.225V output suitable for applications demanding high accuracy over varying temperatures. It belongs to the PMIC category under voltage references.

Replacement Considerations

Public confirmed substitute part numbers include LM4041AIZ-1.2/NOPB. Verify pin compatibility and electrical specifications before substitution.