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Product Detailed Parameters
- Description：IC VREF SHUNT 0.1% 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 LM4040AIM3X-10.0/NOPB is a micropower shunt voltage reference manufactured by Texas Instruments, housed in a SOT-23 package. It provides a fixed output voltage of 10 V with an initial accuracy of ±0.1%. The device features a temperature coefficient of 100 ppm/°C and operates within a junction temperature range of -40°C to +85°C. Key electrical parameters include a cathode current of 67 µA, a maximum shunt current of 15 mA, and a noise level of 35 µVrms from 10 Hz to 10 kHz.
Feature Summary
- Micropower operation with low cathode current consumption
- High precision with ±0.1% initial accuracy
- Low temperature drift for stable performance
Applications
- Portable instrumentation requiring precise voltage references
- Battery-powered measurement systems
- Data acquisition systems
Procurement Notes
Verify the complete part number includes the suffix '10.0' rather than '10', as official documentation lists LM4040AIM3X-10.0/NOPB. Confirm RoHS compliance status and ensure the ordering code matches the specific manufacturer's catalog entry to avoid discrepancies in component specifications or packaging.
Selection Notes
Select this component when a high-precision 10 V reference is required in a compact SOT-23 form factor. The ±0.1% accuracy and 100 ppm/°C temperature coefficient make it suitable for applications demanding tight tolerance. Ensure the circuit design accommodates the minimum operating current and maximum shunt current limits specified in the datasheet.
Part Context
This device belongs to the LM4040-N series of micropower shunt voltage references. The family offers various fixed output voltages and accuracy grades, including A, B, C, and D variants. The LM4040AIM3X-10.0/NOPB represents the highest accuracy grade (A) with a 10 V output, designed for applications where precision and low power consumption are critical constraints.
Replacement Considerations
LM4040DIM3X-10.0/NOPB: Offers 1% accuracy instead of 0.1%. LM4040BIM3X-10.0/NOPB: Offers 0.2% accuracy instead of 0.1%. Verify pinout compatibility and thermal characteristics before substitution.
