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Product Detailed Parameters
- Description：IC VREF SHUNT 0.5% SOT23-3
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Fixed
- Voltage - Output (Min/Fixed)：10V
- Current - Output：15 mA
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3
- Grade：-
- Qualification：-
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Overview
The LM4040CIM3-10.0/NOPB is a micropower shunt voltage reference from Texas Instruments, providing a fixed 10V output. It features an initial accuracy of ±0.5% and operates within a temperature range of -40°C to +85°C. The device utilizes a SOT-23 surface-mount package with three pins. Key electrical characteristics include a maximum cathode current of 15mA and a minimum operating current of 60µA. It exhibits a temperature coefficient of 150ppm/°C and supports noise performance down to 180µVrms in the 10Hz to 10kHz bandwidth.
Feature Summary
- Provides stable fixed 10V reference voltage for precision applications
- Micropower operation ensures low quiescent current consumption
- Compact SOT-23 surface-mount package design
Applications
- Portable instrumentation requiring precise voltage references
- Battery-powered measurement systems
- Data acquisition circuits
- Temperature sensing interfaces
Procurement Notes
Verify the specific suffix 'NOPB' confirms lead-free and RoHS compliance status as per manufacturer documentation. Confirm the 'CIM3' designation aligns with the required SOT-23 package type and commercial temperature grade specifications. Ensure the '-10.0' indicates the correct 10V nominal output voltage variant for the target circuit design requirements.
Selection Notes
Select this component when a fixed 10V reference is required with high initial accuracy. Consider the 150ppm/°C temperature coefficient for thermal stability needs. Evaluate the 60µA minimum current requirement against the circuit's load conditions. Compare the SOT-23 footprint constraints against available board space for surface-mount assembly.
Part Context
This part belongs to the LM4040 family of micropower shunt voltage references. The series offers various fixed output voltages and accuracy grades. The CIM3 suffix denotes the commercial temperature range and SOT-23 packaging format. The NOPB suffix indicates the absence of lead and antimony oxides, adhering to environmental standards.
Replacement Considerations
LM4040DIM3-10.0/NOPB: Offers ±1% accuracy instead of ±0.5%. LM4040CIZ-10.0/NOPB: Provides TO-92 through-hole package option. Verify pinout compatibility and thermal performance differences before substitution.
