The Texas Instruments REF200AU/2K5 is a precision dual current source/current sink that integrates two 100-µA current sources and a current mirror on a single monolithic device. Its completely floating current-source architecture, high accuracy, low temperature coefficient, and wide 2.5-V to 40-V compliance range make it suitable for precision analog circuits, sensor excitation, biasing, and current-loop applications.
The REF200AU/2K5 is currently In Stock and ready for immediate shipping at Perceptive Components, with 5K pcs available and Date Code 26+. As an independent electronic components distributor, Perceptive Components supports customers with verified sourcing, competitive procurement, and rapid global delivery for production and urgent requirements.
Part Number: REF200AU/2K5
Manufacturer: Texas Instruments
Stock: 5K pcs
Date Code: 26+
Package: 8-Pin SOIC (D)
Key Technical Specifications of REF200AU/2K5
| Parameter | Specification |
| Device Type | Dual Current Source / Current Sink |
| Current Sources | 2 × 100 µA |
| Current Accuracy | ±0.25% typ., ±1% max. |
| Current Match | ±0.25% typ., ±1% max. |
| Temperature Drift | ±25 ppm/°C |
| Compliance Voltage | 2.5 V to 40 V |
| Current Mirror Gain | 0.995 to 1.005 |
| Current Mirror Output Impedance | 40 MΩ min., 100 MΩ typ. (2 V to 40 V) |
| Operating Temperature | –25°C to +85°C |
| Package | 8-Pin SOIC (D) |
| RoHS Status | Green (RoHS & no Sb/Br) |
| MSL | Level 3, 260°C, 168 hr |
| Packaging | Large Tape & Reel, 2,500 pcs |
The electrical characteristics are specified at TA = 25°C and VS = 15 V, while the recommended compliance voltage is 2.5 V to 40 V and the specified temperature range is –25°C to +85°C. The package addendum identifies REF200AU/2K5 as an active 8-pin SOIC device with Green (RoHS & no Sb/Br) status and Level-3-260C-168 HR moisture sensitivity classification.
Applications of REF200AU/2K5
The REF200AU/2K5 is designed for precision current-generation and current-sinking functions across analog and mixed-signal systems. TI specifically lists the following applications:
Sensor Excitation: Provides stable 100-µA excitation for sensing elements such as RTDs and other precision sensors.
Biasing Circuitry: Supplies controlled bias currents for analog signal-conditioning and amplifier circuits.
Offsetting Current Loops: Can be used to generate precise offset currents in analog control and signal-processing circuits.
Low-Voltage References: Supports reference-generation circuits where a controlled low current is required.
Charge-Pump Circuitry: Can be incorporated into current-driven charge-pump implementations.
Hybrid Microcircuits: Its independent, dielectrically isolated circuit sections support flexible analog circuit configurations.
Package Information of TI REF200AU/2K5
The REF200AU/2K5 uses an 8-pin SOIC (D) package. The nominal REF200 SOIC body size is 3.91 mm × 4.90 mm.
For the REF200AU/2K5, TI specifies a 2,500-piece standard package quantity, with tape-and-reel information showing a 330-mm reel and 12.4-mm reel width.
REF200 series
| REF200AU | REF200AU/2K5 | REF200AU/2K5E4 | REF200AUE4 |
Why Source REF200AU/2K5 from Perceptive Components?
Choosing Perceptive Components for REF200AU/2K5 sourcing provides procurement teams with dependable support for both production and time-sensitive requirements:
Inventory Stability: We currently have 5K pcs of REF200AU/2K5 in stock with Date Code 26+, supporting immediate purchasing and ongoing production demand.
Quality Assurance: Components are subject to rigorous inspection and verification processes to support genuine, reliable component sourcing.
Global Logistics: Our established logistics capabilities support fast and reliable international delivery for customers across global markets.
Competitive Pricing: Through global sourcing channels and supplier relationships, we provide competitive pricing for REF200AU/2K5 while maintaining sourcing quality and supply reliability.
Alternatives for REF200AU/2K5
For projects requiring a similar precision current-reference function, alternative selection should be based on the required current, compliance voltage, accuracy, topology, package, and pinout. TI provides a dedicated Cross-Reference Search tool for evaluating functionally equivalent and similar-function devices.
REF200AU: The same REF200 device family in an 8-pin SOIC package, supplied in a different standard package quantity. It can be considered when the electrical function remains unchanged but procurement quantity or ordering configuration differs.
REF200AUE4: Another orderable REF200 variant using the same 8-pin SOIC configuration. Selection should be confirmed against the required ordering, environmental, and procurement specifications.
If you are facing lead time issues, contact Perceptive Components for recommended alternative solutions based on your package, pinout, electrical requirements, and application needs.
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