REF5045AID Texas Instruments In Stock
REF5045AID is a high-precision 4.5V series voltage reference by Texas Instruments. Key specs: 0.05% initial accuracy, 3ppm/°C temperature coefficient, SOT-23-5 package. From $0.71, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- Price
- From $0.7142(MOQ 1)
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- High-precision 4.5V output with 0.05% initial accuracy for demanding reference applications
- Ultra-low temperature drift of 3ppm/°C ensures stable output across wide temperature range
- Low noise and low quiescent current design ideal for battery-powered and precision systems
- Available in compact SOT-23-5 package enabling space-constrained board designs
Applications
REF5045AID is widely used in precision data acquisition systems, industrial instrumentation, and analog-to-digital converter (ADC) reference circuits where stable voltage references are critical. It is also suitable for precision sensor signal conditioning, medical measurement equipment, and portable handheld test instruments requiring accurate and low-drift voltage references.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| Input Voltage-Max | 18V |
| Input Voltage-Min | 2.7V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Voltage-Max | 4.5045V |
| Output Voltage-Min | 4.4955V |
| Output Voltage-Nom | 4.5V |
| 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) | 18V |
| Supply Voltage-Min (Vsup) | 2.7V |
| Surface Mount | YES |
| Temp Coef of Voltage-Max | 3ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | YES |
| Voltage Tolerance-Max | 0.1% |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the output voltage and accuracy of the REF5045AID?
The REF5045AID provides a precise 4.5V output voltage with an initial accuracy of 0.05% (±2.25mV), making it suitable for high-precision analog and mixed-signal applications requiring tight voltage reference tolerances.
What is the temperature coefficient of the REF5045AID?
The REF5045AID features an ultra-low temperature coefficient of 3ppm/°C, ensuring the output voltage remains highly stable across a wide operating temperature range, which is critical for industrial and measurement applications.
What are the typical applications for the REF5045AID?
The REF5045AID is commonly used in precision ADC and DAC reference circuits, industrial instrumentation, data acquisition systems, medical devices, and portable test equipment where a stable, accurate 4.5V voltage reference is required.
What package does the REF5045AID come in and what is its price?
The REF5045AID is available in an SOT-23-5 small outline package, which is ideal for space-constrained PCB designs. It is priced from approximately $0.71 and is available in stock with worldwide shipping options.
Related Guides
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 2026
TL084CN Equivalent and Replacements: JFET-Input Quad Op-Amp Comparison Guide
Compare TL084CN with TL074, LF347, and LM324 quad op-amps. Pin-compatible equivalents, key specs, and when to choose each for your analog design.
May 20, 2026
TPS386000RGPR Quad Voltage Supervisor: Selection and Sourcing Guide (2025)
Compare TPS386000RGPR with TPS386040RGPR, TPS3700, and TPS3823 voltage supervisors. Key specs, threshold programming, watchdog options, and sourcing tips.
May 20, 2026
Why Buy from FindMyChip
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 |
|---|---|---|
| 1+ | $4.0200 | $4.02 |
| 5+ | $3.5000 | $17.50 |
| 10+ | $3.3100 | $33.10 |
| 260+ | $0.7722 | $200.77 |
| 340+ | $0.7432 | $252.69 |
| 425+ | $0.7142 | $303.53 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“We've been using FindMyChip for 2 years. Pricing is consistently 20-30% below Mouser/DigiKey for volume orders.”