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Product Detailed Parameters
- Description：IC VREF SHUNT 2% SC70-5
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT),Bulk
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：2.048V
- Voltage - Output (Max)：-
- Current - Output：15 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：5-TSSOP, SC-70-5, SOT-353
- Supplier Device Package：SC-70-5
- Grade：-
- Qualification：-
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Overview
The LM4040EIM7-2.0/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, designed for precision applications requiring stable voltage regulation in compact form factors. This component operates within an extended temperature range of -40°C to +125°C, ensuring reliability in demanding environments. It features a nominal output voltage of 2.048V with an initial accuracy of 0.1%, providing high precision for sensitive circuitry. The device utilizes a SC-70-5 surface-mount package, facilitating automated assembly and space-constrained designs. Key electrical characteristics include a maximum cathode current of 15 mA and a minimum operating current of 60 µA, supporting efficient power management in battery-operated systems.
Feature Summary
- Provides precise micropower shunt voltage regulation with low noise characteristics suitable for sensitive analog circuits.
- Operates reliably across an extended industrial temperature range from -40°C to +125°C.
- Features a compact SC-70-5 surface-mount package optimized for space-constrained PCB layouts.
Applications
- Portable battery-powered instrumentation requiring low quiescent current.
- Precision data acquisition systems needing stable reference voltages.
- Medical devices requiring reliable voltage regulation in compact forms.
Procurement Notes
Verify the specific suffix 'E' indicates the 0.1% accuracy grade and 'M7' denotes the SC-70-5 package variant. Confirm RoHS compliance status as 'NOPB' typically implies lead-free and environmentally friendly materials. Ensure the supplier provides valid traceability documentation for quality assurance purposes.
Selection Notes
Select this component when high precision (0.1%) and extended temperature operation (-40°C to +125°C) are required in a small SC-70-5 package. Compare against standard accuracy grades if cost sensitivity outweighs precision needs. Consider the 15 mA max current limit for load requirements.
Part Context
Part of the LM4040-N family of micropower shunt voltage references, offering various accuracy grades and output voltages. Designed to replace older discrete reference solutions with integrated, stable performance. Widely used in industrial and consumer electronics where size and precision are critical constraints.
Replacement Considerations
LM4040CIM7-2.0/NOPB offers similar functionality with 0.5% accuracy. LM4040DIM7-2.0/NOPB provides 1% accuracy. Verify package compatibility and thermal performance when substituting lower accuracy variants.
