REF3125AIDBZTG4 Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock
The REF3125AIDBZTG4 is a precision 2.5V voltage reference from Texas Instruments in a compact 3-pin SOT-23 package with adjustable output from 2.495V to 2.505V. It sources up to 10 mA output current, operates from 2.55V to 5.5V input, and covers a -40°C to +125°C industrial temperature range. Ideal for battery-powered ADC/DAC reference applications requiring minimal board space.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- REF3125AIDBZTG4 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
- Precision 2.5V output reference with adjustable output from 2.495V to 2.505V
- 10 mA output current capability for driving multiple ADC and DAC reference inputs
- Input voltage range of 2.55V to 5.5V for 3.3V and 5V single-supply systems
- Industrial temperature range of -40°C to +125°C (AI grade)
- Ultra-compact 3-pin SOT-23 package for minimal PCB area consumption
- RoHS compliant lead-free construction for green manufacturing compliance
Applications
The REF3125AIDBZTG4 is used as the voltage reference in portable data acquisition systems, handheld instruments, and battery-powered sensor nodes where a stable and accurate 2.5V reference is needed in the smallest possible package. It is also deployed as an ADC reference in industrial field transmitters, medical monitoring devices, and precision measurement circuits where low input voltage operation from a single 3.3V supply rail is required.
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 REF3125AIDBZTG4:
Frequently Asked Questions
What is the output voltage of the REF3125AIDBZTG4?
The REF3125AIDBZTG4 provides a nominal 2.5V output with an adjustable range from 2.495V to 2.505V through its trim pin. The tight ±5 mV tolerance ensures compatibility with precision 12-bit and 16-bit ADC and DAC reference inputs without requiring additional calibration in most industrial measurement applications.
What input voltage range does the REF3125AIDBZTG4 support?
The REF3125AIDBZTG4 accepts input voltages from 2.55V to 5.5V, providing only 50 mV minimum overhead above the 2.5V output. This low input-to-output voltage difference makes it suitable for use directly on a 3.3V supply rail with margin, enabling single-supply precision reference generation in portable and IoT devices.
What package is the REF3125AIDBZTG4 offered in?
The REF3125AIDBZTG4 is housed in a 3-pin SOT-23 package (JESD-30 R-PDSO-G3), one of the smallest available SMT packages for through-hole replacement. The tiny footprint is ideal for space-constrained portable instruments, handheld meters, and densely populated PCBs in industrial and medical electronics where board area is at a premium.
What is the temperature range of the REF3125AIDBZTG4?
The REF3125AIDBZTG4 is an AI-grade part rated for the industrial temperature range of -40°C to +125°C. This specification ensures stable 2.5V reference output with minimal drift across the full temperature range of industrial environments including outdoor equipment, factory floors, and in-vehicle electronics exposed to significant ambient temperature variation.
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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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