REF3040 Texas Instruments Integrated Circuit (SOT23 (3-Pin)) In Stock
REF3040 is a precision 4.096V CMOS voltage reference with 50ppm/°C max drift and 50μA supply current. Features ±0.2% initial accuracy in compact SOT-23-3 package. Ideal for battery-powered instruments, data acquisition, and portable industrial equipment.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (3-Pin)
- Pin Count
- 3
- Lifecycle
- ACTIVE
- Datasheet
- REF3040 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 50ppm/°C max temperature coefficient for high-precision voltage stability
- Ultra-low 50μA supply current ideal for battery-powered applications
- ±0.2% initial accuracy with tight output voltage tolerance
- Compact SOT-23-3 package minimizing board space
- Wide input voltage range compatible with single-supply systems
Applications
The REF3040 is widely used in battery-powered portable instruments where low quiescent current is critical. It serves precision data acquisition systems, ADC/DAC reference circuits, and industrial sensor signal conditioning applications. Its tight accuracy and low drift also make it suitable for medical devices and handheld test equipment.
Specifications
| YTEOL | EYTEOL |
| Package | SOT23 (3-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Country of Origin | Country of Origin |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for REF3040:
Frequently Asked Questions
What is the output voltage of the REF3040?
The REF3040 provides a fixed 4.096V output voltage with ±0.2% initial accuracy, making it ideal for 12-bit and higher resolution ADC/DAC reference applications that require a precise and stable voltage.
What is the temperature coefficient of the REF3040?
The REF3040 has a maximum temperature coefficient of 50ppm/°C, ensuring excellent voltage stability across a wide operating temperature range. This low drift is critical for precision measurement and instrumentation applications.
What are typical applications for the REF3040?
Typical applications include portable data acquisition systems, battery-powered instrumentation, ADC and DAC voltage references, industrial sensor interfaces, and handheld medical devices where low power consumption and high accuracy are required.
What package does the REF3040 come in?
The REF3040 is available in a compact SOT-23-3 (3-pin) surface-mount package, making it suitable for space-constrained designs on small PCBs.
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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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