NCV1009DR2G

Overview

The NCV1009DR2G is a precision trimmed 2.5 V shunt regulator diode manufactured by onsemi. It features an initial tolerance of 0.2% and a maximum dynamic impedance of 0.6 ohms. The device operates within a wide current range, supporting a minimum operating current of 0.1 mA and a maximum of 30 mA. It offers extended automotive temperature qualification with a range from -40°C to +125°C. The component utilizes a SOIC-8 surface-mount package and holds AEC-Q100 certification for automotive reliability.

Feature Summary

• Precision voltage reference with tight initial tolerance achieved through on-chip trimming
• Low dynamic impedance for effective noise suppression and interference rejection
• Third terminal allows reference voltage adjustment to calibrate system errors
• Automotive-grade qualification ensuring stability across extended temperature ranges

Applications

• Precision measurement instruments requiring stable voltage references
• Sensor signal conditioning circuits demanding low drift
• Audio amplifier power supply regulation
• RF circuit biasing applications sensitive to power noise
• System error calibration networks in automotive electronics

Procurement Notes

Verify the specific suffix DR2G against official onsemi documentation to confirm the SOIC-8 tape-and-reel packaging configuration. Ensure the procurement channel provides valid traceability for AEC-Q100 automotive qualification standards. Cross-reference the part number with the latest datasheet revision to confirm the 2.5 V nominal output and 0.2% tolerance specifications match the design requirements.

Selection Notes

Select this component when a highly stable 2.5 V reference is required in space-constrained designs utilizing surface-mount technology. The adjustable third terminal provides flexibility for calibrating out system errors without external trim networks. Consider the extended temperature range and automotive certification for applications exposed to harsh environmental conditions or requiring high reliability standards.

Part Context

The NCV1009 series represents a line of precision shunt regulators designed for high accuracy and stability. The NCV1009DR2G variant specifically adapts this technology for automated surface-mount assembly processes. It serves as a direct replacement for legacy components like the LT1009CZ and LM136Z-2.5, offering improved lead-free package options while maintaining equivalent electrical performance and thermal characteristics.

Replacement Considerations

The NCV1009Z can be used as a pin-to-pin replacement for LT1009CZ and LM136Z-2.5 in many applications, eliminating the need for external trim networks.