REF3112AIDBZRG4 Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock
The REF3112AIDBZRG4 is a precision 1.25V series voltage reference in a SOT-23-3 package with 20ppm/°C temperature coefficient and 100µA maximum supply current. It operates from 1.8V to 5.5V input and delivers a stable 1.2475V to 1.2525V output, ideal for portable instruments, data converters, and battery-powered measurement systems.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- OBSOLETE
- Datasheet
- REF3112AIDBZRG4 Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $0.3672(MOQ 505)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Precision 1.25V output voltage with ±0.2% initial accuracy
- Ultra-low 20ppm/°C temperature coefficient for stable reference
- Low 100µA supply current for battery-powered designs
- Wide input voltage range: 1.8V to 5.5V
- Tiny SOT-23-3 package for space-constrained applications
- Adjustable output from 1.2475V to 1.2525V via factory trim
Applications
The REF3112AIDBZRG4 is ideal for portable instruments, handheld meters, and battery-powered data acquisition systems requiring a stable low-voltage reference. It is commonly used as the reference voltage for ADCs and DACs in medical devices, industrial sensors, and precision measurement equipment where board space and power consumption are critical constraints.
Specifications
| YTEOL | 0 |
| Additional Feature | OUTPUT VOLTAGE ADJUSTABLE FROM 1.2475V TO 1.2525V |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| Input Voltage-Max | 5.5V |
| Input Voltage-Min | 1.8V |
| 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 | 1.252V |
| Output Voltage-Min | 1.247V |
| Output Voltage-Nom | 1.25V |
| 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) | 1.8V |
| 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 | 8542.39.00.60 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for REF3112AIDBZRG4:
Frequently Asked Questions
What is the output voltage accuracy of the REF3112AIDBZRG4?
The REF3112AIDBZRG4 provides an output voltage adjustable between 1.2475V and 1.2525V with a nominal 1.25V reference, achieving initial accuracy within ±0.2% and a temperature coefficient of 20ppm/°C for stable performance across temperature ranges.
What is the supply current consumption of the REF3112AIDBZRG4?
The REF3112AIDBZRG4 operates with a maximum supply current of 100µA, making it extremely power-efficient and well-suited for battery-operated instruments, IoT sensors, and any application where minimizing quiescent current is essential for extended battery life.
What package does the REF3112AIDBZRG4 use and what is its input voltage range?
The REF3112AIDBZRG4 is available in a SOT-23-3 (3-pin) package, one of the smallest surface-mount packages available, and accepts an input voltage range from 1.8V to 5.5V, allowing it to work with low-voltage systems powered by single-cell Li-ion batteries or standard 3.3V and 5V rails.
What applications is the REF3112AIDBZRG4 best suited for?
Best suited for ADC and DAC reference voltage sources, portable medical instruments, handheld meters, industrial sensors, and IoT edge nodes where a compact, low-power, and high-accuracy voltage reference is required to ensure measurement precision and system stability.
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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 |
|---|---|---|
| 505+ | $0.3970 | $200.49 |
| 655+ | $0.3821 | $250.28 |
| 820+ | $0.3672 | $301.10 |
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