LM385BDG4-2-5In StockTexas Instruments
LM385BDG4-2-5 is a precision two-terminal shunt voltage reference from Texas Instruments, featuring a 2.5V nominal output (2.462–2.538V, ±1.5% accuracy) and up to 20mA operating current in an 8-Pin SOIC package. Ideal for portable instruments and precision analog circuits.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- LM385BDG4-2-5 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
- 2.5V precision shunt reference with ±1.5% initial accuracy
- Two-terminal operation — no external components required
- Wide operating current range: 20µA to 20mA
- Low dynamic impedance for stable reference output
- 8-Pin SOIC (SOIC-8) package for easy PCB integration
Applications
The LM385BDG4-2-5 is widely used as a precision voltage reference in battery-powered portable instruments, data acquisition systems, and analog signal conditioning circuits. Its stable 2.5V shunt output makes it suitable for ADC/DAC reference biasing, comparator threshold setting, and voltage monitoring applications. The compact SOIC-8 package and low minimum operating current of 20µA make it an excellent choice for low-power, space-constrained designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog IC - Other Type | TWO TERMINAL VOLTAGE REFERENCE |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Voltage-Max | 2.538V |
| Output Voltage-Min | 2.462V |
| Output Voltage-Nom | 2.5V |
| 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 |
| Surface Mount | YES |
| Technology | BIPOLAR |
| Temp Coef of Voltage-Max | 20ppm/°C |
| 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 | NO |
| Voltage Tolerance-Max | 1.5% |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM385BDG4-2-5:
Frequently Asked Questions
What is the output voltage and accuracy of the LM385BDG4-2-5?
The LM385BDG4-2-5 provides a nominal output voltage of 2.5V with a tolerance range of 2.462V to 2.538V, corresponding to an initial accuracy of ±1.5%. This makes it suitable for precision analog applications where a stable reference voltage is critical.
What is the operating current range for the LM385BDG4-2-5?
The LM385BDG4-2-5 operates over a wide current range from 20µA to 20mA, allowing it to function in both ultra-low-power battery-operated devices and standard analog circuits without the need for external pass transistors or additional components.
What package does the LM385BDG4-2-5 use and is it RoHS compliant?
The LM385BDG4-2-5 is housed in an 8-Pin SOIC (Small Outline IC) package, which is widely compatible with standard PCB assembly processes. It carries the JESD-609 Code e4 designation, confirming it is a lead-free (Pb-free), RoHS-compliant component.
What are typical applications for the LM385BDG4-2-5?
Typical applications include ADC and DAC voltage references, comparator threshold biasing, precision current sources, portable instrumentation, and battery-powered sensor systems. Its two-terminal shunt design simplifies circuit implementation and reduces BOM cost in space-constrained designs.
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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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