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Product Detailed Parameters
- Description：IC VREF SHUNT 1% TO92-3
- Series：-
- Mfr：Texas Instruments
- Package：Box
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：1.235V
- Voltage - Output (Max)：-
- Current - Output：20 mA
- Operating Temperature：0°C ~ 70°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 LM385BXZ-1.2/NOPB is a micropower shunt voltage reference diode manufactured by Texas Instruments, providing a nominal output of 1.235 V. It operates within a temperature range of 0°C to +70°C and features an initial accuracy of ±2%. The device utilizes a TO-92-3 through-hole package and supports a maximum shunt current of 20 mA with a typical temperature coefficient of 150 ppm/°C.
Feature Summary
- Provides stable 1.235 V reference voltage for precision applications
- Micropower operation suitable for battery-powered systems
- Shunt topology allows simple circuit integration
Applications
- Portable instrumentation requiring low power consumption
- Battery-operated measurement devices
- Precision analog signal conditioning circuits
Procurement Notes
Verify the specific suffix 'NOPB' indicates lead-free compliance and RoHS adherence as per Texas Instruments documentation. Confirm the TO-92-3 package variant matches your PCB footprint requirements. Ensure the commercial temperature grade (0°C to +70°C) aligns with your operational environment constraints before finalizing procurement.
Selection Notes
Select this component when a fixed 1.235 V reference is required in a through-hole configuration. The ±2% initial accuracy suits general-purpose applications where tighter tolerances are unnecessary. Consider the 20 mA maximum current limit for load regulation needs. The TO-92 package offers cost-effective mounting for non-SMD designs.
Part Context
This part belongs to the LM385 family of micropower voltage references. It serves as a compact, low-cost solution for establishing precise voltage levels in analog circuits. The BXZ suffix denotes the specific TO-92-3 package and temperature range variant within the broader LM385 product line.
Replacement Considerations
Direct substitutes include other LM385 variants with compatible voltage and package types, such as LM385BZ-1.2/NOPB. Verify pinout compatibility and thermal performance when swapping between different package styles like TO-92 or SOT-23 equivalents.
