UC39431DG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
UC39431DG4 is an adjustable three-terminal series voltage reference by Texas Instruments covering 2.4V to 36V output range with 0.4% accuracy. Key specs: 50 mA max output current, programmable to standard voltages, 8-pin SOIC package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UC39431DG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Adjustable output voltage range from 2.4V to 36V programmable to standard regulated voltages including 2.82V, 3.12V, 5.1V, 7.8V, 10.42V, and 12.24V
- High accuracy 0.4% initial voltage tolerance ensuring precise voltage regulation for sensitive analog and mixed-signal circuits
- 50 mA maximum output current capability supporting a variety of load conditions in power supply and reference designs
- Industry-standard 8-pin SOIC package for easy surface-mount assembly and compatibility with widely available PCB footprints
Applications
The UC39431DG4 is used as a precision voltage reference in power supply circuits, ADC/DAC reference inputs, and analog signal conditioning applications where stable, accurate reference voltages are required. Its programmable output makes it ideal for multi-voltage power management systems in industrial controllers, test equipment, and communication infrastructure. The wide 2.4V to 36V output range provides design flexibility for both low-voltage digital systems and higher-voltage analog subsystems.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Additional Feature | PROGRAMMABLE TO PROVIDE REGULATED VOLTAGES OF 2.82V, 3.12V, 5.1V, 7.8V, 10.42V, 12.24V |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.05A |
| Output Voltage-Max | 36V |
| Output Voltage-Min | 2.3V |
| Output Voltage-Nom | 5V |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Voltage-Max (Vsup) | 36V |
| Supply Voltage-Min (Vsup) | 2.2V |
| Supply Voltage-Nom (Vsup) | 15V |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | YES |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What output voltage range does the UC39431DG4 support?
The UC39431DG4 supports an adjustable output voltage range from 2.4V to 36V. It can be programmed to provide regulated voltages at standard levels including 2.82V, 3.12V, 5.1V, 7.8V, 10.42V, and 12.24V using external resistor networks, offering flexibility for various power supply design requirements.
What is the accuracy of the UC39431DG4 voltage reference?
The UC39431DG4 offers 0.4% initial voltage accuracy, which provides excellent precision for analog reference applications. This level of accuracy is suitable for ADC and DAC reference inputs, precision measurement equipment, and analog signal processing circuits where voltage stability is critical.
What package is the UC39431DG4 available in and what is its maximum output current?
The UC39431DG4 is available in an 8-pin SOIC (Small Outline IC) package, which is a standard surface-mount form factor widely used in electronics manufacturing. The device supports a maximum output current of 50 mA, making it suitable for moderate load applications in power regulation and voltage reference circuits.
What are typical applications for the UC39431DG4?
The UC39431DG4 is commonly used in precision voltage reference circuits, power supply regulation, ADC/DAC reference designs, and industrial control systems. Its wide adjustable output range and high accuracy make it suitable for test and measurement equipment, communication systems, and mixed-signal circuits requiring stable and accurate voltage references.
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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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