LM4128DMF-1.8/NOPBIn StockTexas Instruments
SOT-23 precision micropower series voltage reference IC from Texas Instruments. Delivers a stable 1.8V output with 2.2V to 5.5V input range and 32 parametric specs. From $0.99, in stock, worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (5-Pin)
- Pin Count
- 5
- Lifecycle
- ACTIVE
- Datasheet
- LM4128DMF-1.8/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.9858(MOQ 250)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 1.8V precision voltage reference with tight ±0.1% initial accuracy for high-precision analog designs
- Ultra-low quiescent current micropower operation ideal for battery-powered applications
- Wide input voltage range of 2.2V to 5.5V enables compatibility with diverse power supply rails
- Compact SOT-23 5-pin package minimizes PCB footprint in space-constrained designs
- JEDEC e3 RoHS-compliant Pb-free packaging meets modern environmental standards
Applications
The LM4128DMF-1.8/NOPB is widely used as a precision voltage reference in portable and battery-powered instruments, data acquisition systems, and sensor signal conditioning circuits. Its stable 1.8V output makes it ideal for ADC/DAC reference inputs in industrial measurement equipment and medical devices. The micropower design also suits wearable electronics and IoT nodes where low standby current is critical.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.2V |
| JESD-30 Code | R-PDSO-G5 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Voltage-Max | 1.818V |
| Output Voltage-Min | 1.782V |
| Output Voltage-Nom | 1.8V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSOP5/6,.11,37 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 100ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| 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 | 1% |
| Package | SOT23 (5-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and accuracy of the LM4128DMF-1.8/NOPB?
The LM4128DMF-1.8/NOPB provides a 1.8V nominal output voltage (max 1.818V) with precision micropower operation. It offers tight initial accuracy, making it suitable for high-precision analog signal chains, ADC references, and calibration circuits requiring a stable low-voltage reference.
What is the input voltage range for the LM4128DMF-1.8/NOPB?
The LM4128DMF-1.8/NOPB operates with an input voltage range of 2.2V minimum to 5.5V maximum. This wide range allows it to be powered directly from common 3.3V or 5V supply rails found in microcontroller and FPGA-based systems without requiring additional regulation.
What package does the LM4128DMF-1.8/NOPB use and is it RoHS compliant?
The LM4128DMF-1.8/NOPB is housed in a compact SOT-23 5-pin (R-PDSO-G5) surface-mount package, making it easy to integrate on density-constrained PCBs. It carries JESD-609 code e3, confirming it is Pb-free and RoHS-compliant, suitable for use in environmentally regulated end products.
What are typical applications for the LM4128DMF-1.8/NOPB?
Typical applications include ADC and DAC voltage references, precision analog instrumentation, portable medical devices, industrial sensors, battery-powered data loggers, and IoT edge nodes. The micropower design and 1.8V output align well with modern low-voltage mixed-signal systems requiring a stable, low-power reference.
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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.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 250+ | $1.6400 | $410.00 |
| 500+ | $1.5800 | $790.00 |
| 1000+ | $1.3200 | $1320.00 |
| 10000+ | $1.1800 | $11800.00 |
| 100000+ | $0.9858 | $98580.00 |
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