Voltage Reference

Manufacturer Package/Case Series Packaging Product Status Reference Type Output Type Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Tolerance Temperature Coefficient Noise - 0.1Hz to 10Hz Noise - 10Hz to 10kHz Voltage - Input Current - Supply Current - Cathode Operating Temperature Grade Qualification Mounting Type Supplier Device Package









































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Reference Type Output Type Voltage - Output (Min/Fixed) Voltage - Output (Max) Current - Output Tolerance Temperature Coefficient Noise - 0.1Hz to 10Hz Noise - 10Hz to 10kHz Voltage - Input Current - Supply Current - Cathode Operating Temperature Grade Qualification Mounting Type Supplier Device Package
UCC391PW Unitrode

UCC391PW

IC VREF SERIES ADJ 0.39% 8TSSOP

Unitrode

6,700
RFQ
UCC391PW Datasheet

Datasheet

8-TSSOP (0.173", 4.40mm Width) - Bulk Active Series Adjustable 1.3V 3.5 V 150 µA ±0.39% - - - 4.5V ~ 8V 1.8mA - 0°C ~ 70°C (TA) - - Surface Mount 8-TSSOP
ADR1581BRTZ-R2 Analog Devices Inc.

ADR1581BRTZ-R2

IC VREF SHUNT 0.12% SOT23-3

Analog Devices Inc.

3,658
RFQ
ADR1581BRTZ-R2 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Discontinued at Digi-Key Shunt Fixed 1.25V - 10 mA ±0.12% 50ppm/°C 4.5µVp-p 20µVrms - - 60 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
UCC391PW Texas Instruments

UCC391PW

IC VREF SERIES ADJ 0.39% 8TSSOP

Texas Instruments

1,002
RFQ
UCC391PW Datasheet

Datasheet

8-TSSOP (0.173", 4.40mm Width) - Tube Obsolete Series Adjustable 1.3V 3.5 V 150 µA ±0.39% - - - 4.5V ~ 8V 1.8mA - 0°C ~ 70°C (TA) - - Surface Mount 8-TSSOP
MAX6331TUR-T Analog Devices Inc./Maxim Integrated

MAX6331TUR-T

IC VREF SHUNT 1.5% SOT23-3

Analog Devices Inc./Maxim Integrated

1,036
RFQ
MAX6331TUR-T Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Obsolete Shunt Fixed 3.3V - 50 mA ±1.5% 40ppm/°C Typical - - - - 60 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
MAX6331SUR-T Analog Devices Inc./Maxim Integrated

MAX6331SUR-T

IC VREF SHUNT 1.3% SOT23-3

Analog Devices Inc./Maxim Integrated

1,173
RFQ
MAX6331SUR-T Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Tape & Reel (TR) Obsolete Shunt Fixed 3V - 50 mA ±1.3% 40ppm/°C Typical - - - - 60 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
TL4051B12QDCKR Texas Instruments

TL4051B12QDCKR

IC VREF SHUNT 0.2% SC70-5

Texas Instruments

1,760
RFQ
TL4051B12QDCKR Datasheet

Datasheet

5-TSSOP, SC-70-5, SOT-353 - Tape & Reel (TR) Active Shunt Fixed 1.225V - 12 mA ±0.2% 50ppm/°C - 20µVrms - - 65 µA -40°C ~ 125°C (TA) - - Surface Mount SC-70-5
LM4040CEX3-5.0+T Analog Devices Inc./Maxim Integrated

LM4040CEX3-5.0+T

IC VREF SHUNT 5V SC70

Analog Devices Inc./Maxim Integrated

4,281
RFQ
LM4040CEX3-5.0+T Datasheet

Datasheet

SC-70, SOT-323 - Tape & Reel (TR) Active Shunt Fixed 5V - 15 mA ±0.5% 100ppm/°C - 80µVrms - - 80 µA -40°C ~ 125°C (TA) - - Surface Mount SC-70-3
LM4040A50IDCKR Texas Instruments

LM4040A50IDCKR

IC VREF SHUNT 0.1% SC70-5

Texas Instruments

3,127
RFQ
LM4040A50IDCKR Datasheet

Datasheet

5-TSSOP, SC-70-5, SOT-353 - Tape & Reel (TR) Active Shunt Fixed 5V - 15 mA ±0.1% 100ppm/°C - 80µVrms - - 95 µA -40°C ~ 85°C (TA) - - Surface Mount SC-70-5
LM4040A82IDCKR Texas Instruments

LM4040A82IDCKR

IC VREF SHUNT 0.1% SC70-5

Texas Instruments

1,790
RFQ
LM4040A82IDCKR Datasheet

Datasheet

5-TSSOP, SC-70-5, SOT-353 - Tape & Reel (TR) Active Shunt Fixed 8.192V - 15 mA ±0.1% 100ppm/°C - 130µVrms - - 110 µA -40°C ~ 85°C (TA) - - Surface Mount SC-70-5
LM4040A20IDCKR Texas Instruments

LM4040A20IDCKR

IC VREF SHUNT 0.1% SC70-5

Texas Instruments

2,571
RFQ
LM4040A20IDCKR Datasheet

Datasheet

5-TSSOP, SC-70-5, SOT-353 - Tape & Reel (TR) Active Shunt Fixed 2.048V - 15 mA ±0.1% 100ppm/°C - 35µVrms - - 80 µA -40°C ~ 85°C (TA) - - Surface Mount SC-70-5
LM4051AIM3-1.2+T Analog Devices Inc./Maxim Integrated

LM4051AIM3-1.2+T

PRECISION MICROPOWER SHUNT VREF

Analog Devices Inc./Maxim Integrated

27,375
RFQ
LM4051AIM3-1.2+T Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Bulk Active Shunt Fixed 1.225V - 12 mA ±0.1% 50ppm/°C - 20µVrms - - 65 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
MAX6018AEUR12-T Analog Devices Inc./Maxim Integrated

MAX6018AEUR12-T

VOLTAGE REFERENCE

Analog Devices Inc./Maxim Integrated

14,099
RFQ
MAX6018AEUR12-T Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Bulk Active Series Fixed 1.263V - 1 mA ±0.2% 50ppm/°C 45µVp-p 100µVrms 1.8V ~ 5.5V 6µA - -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
LM4125IM5-2.5/NOPB Texas Instruments

LM4125IM5-2.5/NOPB

IC VREF SERIES 0.5% SOT23-5

Texas Instruments

2,837
RFQ
LM4125IM5-2.5/NOPB Datasheet

Datasheet

SC-74A, SOT-753 - Tape & Reel (TR) Last Time Buy Series Fixed 2.5V - 5 mA ±0.5% 50ppm/°C 20µVp-p 36µVp-p 3.3V ~ 8V 290µA - -40°C ~ 85°C (TA) - - Surface Mount SOT-23-5
LM385AZ-1.2 National Semiconductor

LM385AZ-1.2

VOLTAGE REFERENCE

National Semiconductor

1,360
RFQ
LM385AZ-1.2 Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) LM285-1.2 Bulk Active Shunt Fixed 1.235V - 20 mA ±2.02% 20ppm/°C Typical - 60µVrms - - 15 µA 0°C ~ 70°C (TA) - - Through Hole TO-92-3
LM4050CIX3-3.3 Analog Devices Inc./Maxim Integrated

LM4050CIX3-3.3

PRECISION MICROPOWER SHUNT VREF

Analog Devices Inc./Maxim Integrated

1,112
RFQ
LM4050CIX3-3.3 Datasheet

Datasheet

SC-70, SOT-323 - Bulk Active Shunt Fixed 3.3V - 15 mA ±0.5% 50ppm/°C - 50µVrms - - 67 µA -40°C ~ 125°C (TA) Automotive AEC-Q100 Surface Mount SC-70-3
LT1009CLPE3 Texas Instruments

LT1009CLPE3

IC VREF SHUNT 0.2% TO92-3

Texas Instruments

2,207
RFQ
LT1009CLPE3 Datasheet

Datasheet

TO-226-3, TO-92-3 (TO-226AA) - Bulk Obsolete Shunt Fixed 2.5V - 10 mA ±0.2% 25ppm/°C - - - - 400 µA 0°C ~ 70°C (TA) - - Through Hole TO-92-3
LM4050BIM3-5.0 Analog Devices Inc./Maxim Integrated

LM4050BIM3-5.0

IC VREF SHUNT 0.2% SOT23-3

Analog Devices Inc./Maxim Integrated

47,000
RFQ
LM4050BIM3-5.0 Datasheet

Datasheet

TO-236-3, SC-59, SOT-23-3 - Bulk Obsolete Shunt Fixed 5V - 15 mA ±0.2% 50ppm/°C - 93µVrms - - 80 µA -40°C ~ 85°C (TA) - - Surface Mount SOT-23-3
TL4050B50QDCKR Texas Instruments

TL4050B50QDCKR

IC VREF SHUNT 0.2% SC70-5

Texas Instruments

2,484
RFQ
TL4050B50QDCKR Datasheet

Datasheet

5-TSSOP, SC-70-5, SOT-353 - Tape & Reel (TR) Active Shunt Fixed 5V - 15 mA ±0.2% 50ppm/°C - 93µVrms - - 90 µA -40°C ~ 125°C (TA) - - Surface Mount SC-70-5
TL4050B25QDCKR Texas Instruments

TL4050B25QDCKR

IC VREF SHUNT 0.2% SC70-5

Texas Instruments

3,707
RFQ
TL4050B25QDCKR Datasheet

Datasheet

5-TSSOP, SC-70-5, SOT-353 - Tape & Reel (TR) Active Shunt Fixed 2.5V - 15 mA ±0.2% 50ppm/°C - 41µVrms - - 65 µA -40°C ~ 125°C (TA) - - Surface Mount SC-70-5
LM4051AIX3-1.2-T Analog Devices Inc./Maxim Integrated

LM4051AIX3-1.2-T

PRECISION MICROPOWER SHUNT VREF

Analog Devices Inc./Maxim Integrated

2,500
RFQ
LM4051AIX3-1.2-T Datasheet

Datasheet

SC-70, SOT-323 - Bulk Active Shunt Fixed 1.225V - 15 mA ±0.1% 50ppm/°C - 20µVrms - - 60 µA -40°C ~ 125°C (TA) Automotive AEC-Q100 Surface Mount SC-70-3
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Voltage Reference Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Voltage Reference components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Voltage Reference Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Voltage Reference FAQ

Can FPGAX source both active and end-of-life Voltage Reference components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Voltage Reference sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.