ZRC250A01

Overview

The ZRC250A01 is a precision micropower voltage reference utilizing bandgap circuit design to deliver a fixed 2.5V output. It operates within an industrial temperature range of -40°C to +85°C and requires no external stabilizing capacitor. The device maintains stability with capacitive loads and features low knee current, typically 15µA, with a recommended operating range between 20µA and 5mA. It offers ±1% initial accuracy tolerance.

Feature Summary

• Bandgap circuit design ensures precise 2.5V reference without external capacitors
• Capacitive load stable operation for simplified circuit implementation
• Low knee current characteristic supports efficient battery-powered applications
• Rugged design withstands transient effects and high currents up to 200mA

Applications

• Battery powered and portable equipment
• Instrumentation systems
• Test equipment

Procurement Notes

Verify the specific package suffix corresponds to the required form factor, as the ZRC250 series utilizes distinct suffixes for different packages such as E-Line (A), SOT23 (F), SO8 (N8), and TO92 variants (R, Y). Confirm that the 'A' suffix denotes the E-Line package variant when sourcing replacements or verifying inventory against schematic footprints.

Selection Notes

Select this component for designs requiring a stable 2.5V reference in space-constrained environments using surface mount or through-hole E-Line packages. Ensure the application current remains within the recommended 20µA to 5mA range for optimal performance, while noting the device can handle higher transient currents if necessary for ruggedness.

Part Context

The ZRC250A01 belongs to the ZRC250 family of precision voltage references manufactured by Diodes Incorporated (formerly Zetex Semiconductors). This series provides multiple tolerance options and package configurations, including SOT23, SO8, and various E-Line/TO92 styles, allowing designers to choose the appropriate physical footprint and accuracy level for their specific power management needs.

Replacement Considerations

Compatible substitutes include other ZRC250 variants with matching tolerances and packages, such as ZRC250A02 (2%) or ZRC250A03 (3%). Cross-referencing datasheets is essential to verify pinout compatibility, particularly regarding floating pins in the E-Line configuration, and ensuring thermal dissipation ratings align with the target enclosure constraints.