REF3125AIDBZRG4 Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock
The REF3125AIDBZRG4 is a precision 2.5 V series voltage reference from Texas Instruments with a low temperature coefficient of 20 ppm/°C and 100 µA maximum quiescent current. It supports an input voltage of 2.55 V to 5.5 V and delivers a stable, adjustable output from 2.495 V to 2.505 V in a compact SOT-23-3 package.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- REF3125AIDBZRG4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3057(MOQ 610)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Low temperature coefficient of 20 ppm/°C ensuring precise 2.5 V output across temperature
- Ultra-low quiescent current of 100 µA maximum for power-efficient circuit designs
- Input voltage range of 2.55 V to 5.5 V supporting 3.3 V and 5 V system designs
- Adjustable output trim range of 2.495 V to 2.505 V for fine calibration
- 3-pin SOT-23 package providing minimal PCB footprint for compact applications
Applications
The REF3125AIDBZRG4 is used as a precision reference in data acquisition systems, portable instrumentation, and battery-powered devices that require a stable and accurate 2.5 V voltage reference. Its low quiescent current makes it an excellent choice for handheld measurement equipment, medical devices, and IoT sensor nodes where power budget is critical.
Specifications
| YTEOL | 0 |
| Additional Feature | OUTPUT VOLTAGE ADJUSTABLE FROM 2.495V TO 2.505V |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 2.55V |
| JESD-30 Code | R-PDSO-G3 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.01A |
| Output Voltage-Max | 2.505V |
| Output Voltage-Min | 2.495V |
| Output Voltage-Nom | 2.5V |
| 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-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.55V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temp Coef of Voltage-Max | 20ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold/Silver (Ni/Pd/Au/Ag) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| Trim/Adjustable Output | NO |
| Voltage Tolerance-Max | 0.2% |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for REF3125AIDBZRG4:
Frequently Asked Questions
What is the output voltage of the REF3125AIDBZRG4?
The REF3125AIDBZRG4 provides a nominal 2.5 V output voltage, adjustable within the range of 2.495 V to 2.505 V, with a temperature coefficient of 20 ppm/°C for high-precision reference applications.
What is the quiescent current consumption of the REF3125AIDBZRG4?
The REF3125AIDBZRG4 draws a maximum of 100 µA quiescent current, making it suitable for low-power and battery-powered designs where minimizing standby current is important.
What package is the REF3125AIDBZRG4 available in?
The REF3125AIDBZRG4 is packaged in a 3-pin SOT-23 surface-mount package, offering an extremely compact footprint of 2.92 mm x 1.3 mm for space-constrained PCB designs.
Is the REF3125AIDBZRG4 suitable for use in 3.3 V systems?
Yes, the REF3125AIDBZRG4 operates from a minimum input voltage of 2.55 V, allowing it to work directly from a 3.3 V supply rail while maintaining a stable 2.5 V reference output with just 50 mV of headroom.
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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 |
|---|---|---|
| 610+ | $0.3305 | $201.61 |
| 790+ | $0.3181 | $251.30 |
| 985+ | $0.3057 | $301.11 |
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