LM4040AIM3-4.1+ Texas Instruments Transistor (SOT23 (3-Pin)) In Stock
LM4040AIM3-4.1+ is a precision shunt voltage reference providing a stable 4.1 V output with tight tolerance. Housed in a compact SOT-23 3-pin package for space-constrained designs. Available worldwide for analog signal conditioning and ADC reference applications.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- LM4040AIM3-4.1+ Datasheet PDF
- Category
- Transistor
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Precision 4.1 V shunt voltage reference with tight output tolerance for accurate analog measurements
- Ultra-compact SOT-23 3-pin package enabling miniaturized PCB designs in portable electronics
- Low temperature coefficient ensuring stable reference voltage across -40°C to +85°C operating range
Applications
LM4040AIM3-4.1+ serves as a precision voltage reference in analog-to-digital converter circuits, sensor signal conditioning, and data acquisition systems. Its compact SOT-23 package makes it ideal for portable instrumentation and battery-powered devices requiring stable 4.1 V references. It is widely used in industrial measurement equipment and precision analog front-end designs.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM4040AIM3-4.1+:
Frequently Asked Questions
What output voltage does LM4040AIM3-4.1+ provide and how accurate is it?
LM4040AIM3-4.1+ provides a precisely regulated 4.1 V shunt reference output with tight initial accuracy tolerance, making it suitable for 12-bit and 16-bit ADC reference applications requiring stable analog benchmarks.
What is the operating temperature range for LM4040AIM3-4.1+ in industrial designs?
LM4040AIM3-4.1+ operates across -40°C to +85°C, qualifying it for industrial-grade applications where voltage reference stability over wide temperature swings is critical for accurate measurements.
What package does LM4040AIM3-4.1+ use and how does it fit into compact PCB layouts?
LM4040AIM3-4.1+ is housed in a SOT-23 3-pin package, one of the smallest surface-mount footprints available, occupying minimal PCB area for portable, wearable, and space-constrained instrumentation designs.
Related Guides
DP83848 10/100 Mbps Ethernet PHY Transceiver: How to Choose the Right Variant
A complete selection guide for the DP83848 family: compare temperature grades, packages, JTAG support, and interface options across all five variants.
Jun 2, 2026
LM5156 Wide-VIN Boost/SEPIC/Flyback Controller: How to Choose the Right Variant
A concise selection guide for the LM5156 and LM51561 family: how to choose between automotive vs industrial grade, spread-spectrum vs fixed-frequency, and WSON-8 vs HTSSOP-14 package.
Jun 2, 2026
24LC01B I2C EEPROM Design Guide: Pinout, Write Timing, and Package Selection
Complete application note for the Microchip 24LC01B 1 Kbit I2C EEPROM: address wiring, pull-up sizing, acknowledge polling, page-write alignment, and package selection.
Jun 1, 2026
AD8531ARTZ-REEL7 Application Note: High-Current Op-Amp Design Guide
A complete design guide for the AD8531ARTZ-REEL7 250 mA rail-to-rail op-amp: decoupling, thermal budgeting, capacitive load stability, and PCB layout best practices.
Jun 1, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”