LM4040CIM3-2.5/NOPBIn StockTexas Instruments
LM4040CIM3-2.5/NOPB is a 100-ppm/°C precision micropower shunt voltage reference with 2.5V output. Offers ±1.2% accuracy, 100µA operating current, and SOT-23 package. From $0.52 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- LM4040CIM3-2.5/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.5186(MOQ 100)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 2.5V precision shunt reference with ±1.2% initial accuracy
- Ultra-low 100-ppm/°C temperature coefficient for stable output
- Micropower operation at 100µA supply current
- Compact SOT-23 3-pin package for space-constrained designs
- Wide operating voltage range 2.5V to 10V
Applications
The LM4040CIM3-2.5/NOPB is widely used in portable and battery-powered equipment where a stable 2.5V voltage reference is required, such as ADC/DAC reference circuits, precision instrumentation, and sensor signal conditioning. Its micropower consumption makes it ideal for handheld medical devices, data acquisition systems, and industrial measurement equipment. The compact SOT-23 package suits space-constrained PCB designs in consumer electronics and wearable devices.
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 | 2.529V |
| Output Voltage-Min | 2.471V |
| Output Voltage-Nom | 2.5V |
| 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 | 0.5% |
| ## LM4040CIM3-2.5/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 LM4040CIM3-2.5/NOPB:
Frequently Asked Questions
What is the output voltage and accuracy of the LM4040CIM3-2.5/NOPB?
The LM4040CIM3-2.5/NOPB provides a fixed 2.5V shunt voltage reference with an output range of 2.471V to 2.529V, corresponding to ±1.2% initial accuracy. The temperature coefficient is 100 ppm/°C, ensuring stable voltage across a wide temperature range.
What are the typical applications for the LM4040CIM3-2.5/NOPB?
This precision shunt reference is commonly used as an ADC/DAC voltage reference, in portable battery-powered instrumentation, precision analog signal conditioning, industrial sensors, and medical measurement devices. Its micropower design at 100µA makes it ideal for energy-sensitive applications.
What package does the LM4040CIM3-2.5/NOPB come in and what are compatible alternatives?
The LM4040CIM3-2.5/NOPB is housed in a SOT-23 3-pin (R-PDSO-G3) package. Compatible alternatives include the LM4040AIM3-2.5 (tighter ±0.1% accuracy) and LM4041CIM3-1.2 (1.2V reference). All are pin-compatible shunt voltage references from Texas Instruments in the same compact footprint.
How do I connect the LM4040CIM3-2.5/NOPB in a circuit?
The LM4040CIM3-2.5/NOPB is a two-terminal shunt reference. Connect a current-limiting resistor from the supply voltage to the anode pin, and connect the cathode to ground. The reference voltage of 2.5V appears across the device. Operating current should be maintained between 60µA and 15mA for proper regulation.
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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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 100+ | $0.7225 | $72.25 |
| 250+ | $0.6776 | $169.41 |
| 500+ | $0.6506 | $325.28 |
| 10000+ | $0.6190 | $6190.00 |
| 100000+ | $0.5186 | $51860.00 |
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