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Product Detailed Parameters
- Description：IC VREF SHUNT 1.5% 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：-
- Current - Output：20 mA
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The LM385BYMX-2.5/NOPB is a micropower shunt voltage reference IC manufactured by Texas Instruments, featuring a fixed output of 2.5V with an initial accuracy of ±1.5%. It operates within a temperature range of 0°C to +70°C and utilizes an 8-SOIC surface-mount package. The device supports a maximum cathode current of 20 mA and a minimum operating current of 20 µA, with a load regulation of 20 mV and a temperature coefficient of 150 ppm/°C.
Feature Summary
- Provides a stable 2.5V reference voltage with high precision
- Designed for low-power applications with micropower consumption
- Utilizes compact 8-SOIC surface-mount packaging
Applications
- Portable instrumentation systems
- Battery-powered measurement devices
- Data acquisition systems requiring precise voltage references
Procurement Notes
Verify the specific suffix 'NOPB' indicates lead-free compliance and RoHS status during procurement. Confirm the manufacturer is Texas Instruments to ensure authenticity. Check for obsolescence or lifecycle changes as older variants may exist. Ensure the 8-SOIC package matches your PCB footprint requirements before ordering.
Selection Notes
Select this component when a fixed 2.5V reference is required in space-constrained designs. Consider the ±1.5% initial accuracy and 150 ppm/°C temperature coefficient for precision needs. Evaluate the 20 mA max current capability against circuit load requirements. Compare against adjustable variants if flexible voltage settings are needed instead.
Part Context
This part belongs to the LM385 family of micropower shunt voltage references from Texas Instruments. It serves as a surface-mount alternative to through-hole packages like TO-92, offering similar electrical characteristics in an 8-SOIC form factor. The series is widely used in industrial and consumer electronics for stable biasing.
Replacement Considerations
Direct replacements include LM385BYMX-2.5 (older non-NOPB version) and LM385BXMX-2.5/NOPB (higher accuracy variant). Verify pinout compatibility and thermal performance when substituting with other SOIC voltage references.
