REF3433IDBVR Texas Instruments Integrated Circuit (SOT23 (6-Pin)) In Stock
The REF3433IDBVR is a 3.3V low-drift, low-power series voltage reference IC from Texas Instruments in a tiny SOT-23 6-pin package. It accepts an input voltage range from 3.35V to 12V and provides a highly stable 3.3V output for use as an ADC and DAC reference. This RoHS compliant device is optimized for precision analog signal chains in portable and battery-operated measurement systems.
- Manufacturer
- Texas Instruments
- Package
- SOT23 (6-Pin)
- Pin Count
- 6
- Lifecycle
- ACTIVE
- Datasheet
- REF3433IDBVR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.2817(MOQ 100)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Precision 3.3V series voltage reference with low temperature drift
- Wide input voltage range: 3.35V to 12V for flexible power rail compatibility
- Low power consumption optimized for battery-operated portable designs
- SOT-23 6-pin compact package for space-efficient PCB layouts
- RoHS compliant and lead-free construction
- Introduced in 2017 for modern precision analog reference applications
Applications
The REF3433IDBVR is used in precision analog measurement systems, ADC voltage references, and DAC precision circuits where a stable 3.3V reference is critical to system accuracy. It is commonly found in portable data loggers, handheld test instruments, and industrial sensor interfaces requiring low-power and highly stable voltage references.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 2017-12-12 |
| YTEOL | 15 |
| Analog IC - Other Type | THREE TERMINAL VOLTAGE REFERENCE |
| Input Voltage-Max | 12V |
| Input Voltage-Min | 3.35V |
| JESD-30 Code | R-PDSO-G6 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.01A |
| Output Voltage-Max | 3.30165V |
| Output Voltage-Min | 3.29835V |
| Output Voltage-Nom | 3.3V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, LOW PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Max (Vsup) | 12V |
| Supply Voltage-Min (Vsup) | 3.8V |
| Surface Mount | YES |
| Technology | CMOS |
| Temp Coef of Voltage-Max | 6ppm/°C |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.95mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Trim/Adjustable Output | NO |
| Voltage Tolerance-Max | 0.05% |
| Package | SOT23 (6-Pin) |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for REF3433IDBVR:
Frequently Asked Questions
What is the output voltage of the REF3433IDBVR?
The REF3433IDBVR provides a precision 3.3V output voltage, making it directly compatible with 3.3V ADCs, DACs, and analog front-end circuits common in modern microcontroller-based measurement systems.
What is the input voltage range of the REF3433IDBVR?
The REF3433IDBVR accepts input voltages from 3.35V to 12V, allowing it to operate from a variety of power sources including 3.6V Li-ion batteries, 5V regulated rails, and 12V industrial power supplies.
What package does the REF3433IDBVR use?
The REF3433IDBVR is packaged in a SOT-23 6-pin (DBV) package, which provides a very small PCB footprint suitable for compact portable instruments and wearable electronics requiring a precision voltage reference.
Is the REF3433IDBVR suitable for ADC reference applications?
Yes, the REF3433IDBVR is specifically designed for use as an ADC or DAC voltage reference due to its low drift, low power consumption, and stable 3.3V output, all critical parameters for maintaining precision in analog-to-digital conversion.
Related Guides
How to Choose a BAS70 Schottky Diode for Signal Clamping: Selection Guide
A practical BAS70KFILM and BAS70-family Schottky diode selection guide for signal clamping, RF detection, leakage, and topology choices.
Jul 4, 2026
AMC1202DWVR Design Guide for Isolated Current Sensing
Practical AMC1202DWVR design guide covering shunt sizing, isolation layout, input filtering, ADC scaling, and sourcing choices.
Jul 4, 2026
1206 100 uF MLCC Design Guide for Compact Bulk Decoupling
Design guidance for applying CL31A107MQHNNNE and related 1206 MLCCs in compact bulk decoupling networks.
Jul 3, 2026
0402 10 nF MLCC Design Guide for High-Speed Decoupling
Practical design guidance for using CL05B103KB5NNNC and related 0402 MLCCs in high-speed decoupling networks.
Jul 3, 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 |
|---|---|---|
| 100+ | $1.7850 | $178.50 |
| 145+ | $1.3859 | $200.96 |
| 188+ | $1.3338 | $250.75 |
| 235+ | $1.2817 | $301.20 |
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.”