NCV1009DR2

Overview

The NCV1009DR2 is a precision trimmed 2.5 V shunt regulator diode manufactured by onsemi. It features low dynamic impedance and a wide operating current range to enhance versatility. The device achieves tight reference tolerance through on-chip trimming, minimizing voltage tolerance and temperature drift. A third terminal allows the reference voltage to be adjusted within +/-5.0% to calibrate out system errors. It is designed for extended operating temperatures suitable for automotive applications.

Feature Summary

• Precision trimmed 2.5 V shunt regulation with low dynamic impedance
• On-chip trimming minimizes voltage tolerance and temperature drift
• Third terminal enables +/-5.0% reference voltage adjustment for system calibration
• Extended operating temperature range qualified for automotive use

Applications

• Automotive electronic systems requiring precise voltage references
• Applications serving as pin-to-pin replacements for LT1009CZ and LM136Z-2.5
• Systems utilizing external trim networks eliminated by internal calibration capabilities

Procurement Notes

Verify the specific suffix DR2 indicates tape-and-reel packaging configuration distinct from other package variants like Z or DG. Confirm RoHS compliance status and automotive qualification (AEC-Q101) requirements against the latest official datasheet revision. Ensure the ordering part number matches the required package type and temperature grade for the intended application environment.

Selection Notes

Select this component when a stable 2.5 V reference is needed with minimal external calibration components. The adjustable third terminal offers flexibility for error correction without additional circuitry. Consider the automotive-grade temperature range if deployed in vehicle electronics. Verify compatibility with existing LT1009 or LM136 footprints if direct replacement is planned.

Part Context

The NCV1009 series belongs to onsemi's portfolio of precision voltage references. This specific variant provides a 2.5 V output with high accuracy. It is part of a family including various package options such as TO-92 and SOIC, catering to different manufacturing and space constraints while maintaining consistent electrical performance characteristics.

Replacement Considerations

Directly interchangeable with LT1009 and LM136 for improved lead-free package availability.