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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 2% TO92-3
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：1.24V
- Voltage - Output (Max)：5.3 V
- Current - Output：20 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The LM285Z/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments. It provides an adjustable output voltage ranging from 1.24 V to 5.3 V with an initial accuracy of 2%. The device operates within a temperature range of -40°C to +85°C and features a temperature coefficient of 150 ppm/°C. It supports a maximum shunt current of 20 mA and utilizes a TO-92-3 through-hole package.
Feature Summary
- Adjustable output voltage capability spanning 1.24 V to 5.3 V
- Micropower operation suitable for low-power applications
- Shunt reference topology for stable voltage regulation
Applications
- Portable instrumentation requiring stable voltage references
- Battery-powered systems needing efficient power management
- Sensor interface circuits demanding precise voltage levels
Procurement Notes
Verify the specific suffix configuration against the manufacturer's official datasheet to ensure compatibility with required voltage ranges and packaging options. Confirm that the TO-92-3 through-hole package meets the target PCB layout constraints. Cross-reference the part number with the latest RoHS compliance documentation to ensure adherence to environmental regulations for the intended market.
Selection Notes
Select this component when an adjustable voltage reference in a through-hole package is required. Ensure the application can accommodate the 150 ppm/°C temperature coefficient and the 2% initial accuracy. Verify that the circuit design allows for sufficient shunt current up to 20 mA while maintaining the desired output voltage stability across the specified operating temperature range.
Part Context
This component belongs to the LM285 series of micropower voltage references, designed for general-purpose precision applications. The Z variant indicates the TO-92-3 plastic package, distinguishing it from surface-mount or other package options within the same functional family. The NOPB suffix denotes lead-free construction compliant with international environmental standards.
Replacement Considerations
Consult the official LM285 datasheet for direct pin-compatible alternatives within the same series. Verify electrical parameters such as temperature coefficient and accuracy when considering substitutes from other manufacturers.
