LM4040C50QDBZR Texas Instruments Integrated Circuit (Other) In Stock
LM4040C50QDBZR is a precision micropower shunt voltage reference from Texas Instruments with 5V nominal output, ±0.5% accuracy, and ultra-low temperature coefficient. Ideal for portable and battery-powered systems. From $0.69 with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- LM4040C50QDBZR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.6900(MOQ 1)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM4040C50QDBZR?
- 5V precision output (4.975V–5.025V) with ±0.5% initial accuracy for reliable voltage regulation
- Micropower operation enables use in battery-powered and energy-sensitive applications
- Two-terminal shunt configuration simplifies PCB design and reduces component count
- Low temperature coefficient ensures stable output across wide temperature ranges
- SOT-23 (DBZ) package offers compact footprint for space-constrained designs
What is LM4040C50QDBZR used for?
The LM4040C50QDBZR is widely used as a precision voltage reference in portable instrumentation, data acquisition systems, and battery-powered devices where stable 5V reference is critical. It suits ADC/DAC reference circuits, sensor signal conditioning, and precision op-amp biasing applications. Its two-terminal shunt topology makes it a drop-in solution for designs requiring accurate and low-power voltage references.
What are the specifications of LM4040C50QDBZR?
| Pbfree Code | Yes |
| 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 | 5.025V |
| Output Voltage-Min | 4.975V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TO-236 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 150ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| 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 | 0.5% |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Mainland China, Malaysia, Philippines, Thailand |
Where can I find the LM4040C50QDBZR datasheet?
LM4040C50QDBZR Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM4040C50QDBZR?
Compatible alternatives and drop-in replacements for LM4040C50QDBZR:
Frequently Asked Questions
What is the output voltage and accuracy of the LM4040C50QDBZR?
The LM4040C50QDBZR provides a nominal output voltage of 5V with a tolerance range of 4.975V to 5.025V, corresponding to ±0.5% initial accuracy. This tight tolerance makes it suitable for precision analog circuits including ADC references and instrumentation amplifiers.
What package does the LM4040C50QDBZR come in, and what are its dimensions?
The LM4040C50QDBZR is available in a SOT-23 3-pin package (JEDEC R-PDSO-G3), which is a compact surface-mount package. Its small footprint makes it ideal for space-constrained PCB designs in portable and handheld devices.
What are typical applications for the LM4040C50QDBZR?
Typical applications include precision voltage references for ADCs and DACs, sensor signal conditioning, battery-powered instrumentation, op-amp biasing circuits, and portable medical devices. The device's micropower consumption and two-terminal shunt design support low-power system architectures.
Is the LM4040C50QDBZR RoHS compliant and what is its recommended operating life?
Yes, the LM4040C50QDBZR is RoHS compliant (Pbfree Code: Yes, JESD-609 Code: e4). The component has a YTEOL rating of 15 years, indicating a long expected operational life suitable for industrial and automotive-grade applications.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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+ | $5.3097 | $5.31 |
| 190+ | $1.0580 | $201.02 |
| 245+ | $1.0227 | $250.56 |
| 250+ | $0.7700 | $192.50 |
| 500+ | $0.7300 | $365.00 |
| 3000+ | $0.6900 | $2070.00 |
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.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit