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
What are the key features of REF5045AID?
- 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
What is REF5045AID used for?
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.
What are the specifications of REF5045AID?
| 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) |
What are equivalent replacements for REF5045AID?
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
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 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.
More from Texas Instruments
| 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.”