LM4040AIM3-4.1/NOPBIn StockTexas Instruments
LM4040AIM3-4.1/NOPB is a 100-ppm/°C precision micropower shunt voltage reference with 4.1V output in SOT-23 package. Ideal for portable instruments and ADC references. From $0.61, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- LM4040AIM3-4.1/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6053(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 100 ppm/°C typical output voltage temperature coefficient for high-precision stability
- 4.1V precision output voltage (4.0919V–4.1001V range) with low operating current
- Ultra-compact SOT-23 3-pin package ideal for space-constrained designs
- Micropower operation for battery-powered and portable applications
- RoHS compliant (Pb-free, JESD-609 e4) for green design requirements
Applications
The LM4040AIM3-4.1/NOPB is widely used as a precision voltage reference in portable and battery-powered instruments, where its micropower consumption and tight output tolerance are critical. It serves as an accurate reference for analog-to-digital converters (ADCs), digital-to-analog converters (DACs), and precision signal conditioning circuits. The device is also employed in industrial measurement systems, handheld test equipment, and sensor interface circuits requiring a stable 4.1V reference.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 1992-01-01 |
| YTEOL | 15 |
| Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Voltage-Max | 4.1001V |
| Output Voltage-Min | 4.0919V |
| Output Voltage-Nom | 4.096V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TO-236 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 100ppm/°C |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | NO |
| Voltage Tolerance-Max | 0.1% |
| ## LM4040AIM3-4.1/NOPB Alternates Showing results | Image |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
| Country of Origin | Mainland China, Malaysia, Philippines, Thailand |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM4040AIM3-4.1/NOPB:
suggested
suggested
suggested
Frequently Asked Questions
What is the output voltage and accuracy of the LM4040AIM3-4.1/NOPB?
The LM4040AIM3-4.1/NOPB provides a precision output voltage of 4.1V, with a min/max range of 4.0919V to 4.1001V. Its temperature coefficient is 100 ppm/°C (typical), making it suitable for high-accuracy measurement and reference applications.
What package does the LM4040AIM3-4.1/NOPB come in, and is it RoHS compliant?
The LM4040AIM3-4.1/NOPB is housed in a SOT-23 3-pin (R-PDSO-G3) package, which is ideal for compact PCB designs. It is fully RoHS compliant and Pb-free, conforming to JESD-609 e4 standards for environmentally friendly manufacturing.
What are the typical applications for the LM4040AIM3-4.1/NOPB?
This precision micropower shunt voltage reference is commonly used in ADC/DAC voltage references, portable instruments, handheld test equipment, industrial sensors, and any circuit requiring a stable low-current 4.1V reference with minimal power consumption.
Can the LM4040AIM3-4.1/NOPB be used in battery-powered designs?
Yes, the LM4040AIM3-4.1/NOPB is specifically designed for micropower operation, making it an excellent choice for battery-powered and energy-sensitive designs. Its low operating current minimizes battery drain while maintaining precise voltage regulation.
Related Guides
Ultra Low Power Microcontroller Comparison 2026: STM32L4 vs MSP430 vs MSP432 vs CC2640
Engineer-grade 2026 comparison of ultra-low-power MCUs — STM32L476, MSP430A139, MSP432P401R, CC2640F128 across standby current, active current, and battery life.
May 5, 2026
BOM Cost Reduction: 7 Strategies for Electronics Manufacturers in 2026
Practical 2026 BOM optimization playbook — 7 proven strategies, ranked by payback time and risk. With realistic per-unit savings and verification steps.
May 5, 2026
STM32F072C8T6 Pin-Compatible Alternatives 2026: Cheaper Drop-In Options Compared
Engineer-grade compatibility analysis for STM32F072C8T6 alternatives in 2026 — pin compatibility, firmware portability, cost and lead time for each option.
May 5, 2026
Top Microcontrollers for IoT 2026: ESP32 vs Arduino vs STM32 vs RPi Pico
The five IoT MCU platforms compared on 2026 pricing, lead time, and use case — ESP32-S3, Arduino, STM32F0, RP2040, TI CC2640/CC1352P.
May 5, 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
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $2.3100 | $2.31 |
| 3+ | $1.8480 | $5.54 |
| 12+ | $1.1550 | $13.86 |
| 132+ | $0.6878 | $90.79 |
| 438+ | $0.6420 | $281.20 |
| 1170+ | $0.6053 | $708.20 |
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.”