REF200AU/2K5G4
| Parameters | |
|---|---|
| Series | - |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mfr | Texas Instruments |
| Mounting Type | Surface Mount |
| Operating Temperature | -25°C ~ 85°C |
| Sensing Method | - |
| Voltage - Input | 2.5V ~ 40V |
| Current - Output | 100µA |
| Supplier Device Package | 8-SOIC |
| Accuracy | ±0.25% |
| Function | Current Mirror, Current Sink/Source |
| Package | Tape & Reel (TR) |
| Product Status | Discontinued at Digi-Key |
| Base Product Number | REF200 |
| REACH Status | REACH Unaffected |
| Standard Package | 2,500 |
| ECCN | EAR99 |
| HTSUS | 8542.39.0001 |
REF200AU/2K5G4 Precision Voltage Reference
The REF200AU/2K5G4 is a high-precision, low-dropout (LDO) voltage reference manufactured by Texas Instruments (TI), designed to deliver a stable 2.048V output with exceptional accuracy and temperature stability. Built on TI's advanced bandgap technology, this device achieves an initial accuracy of ±0.05% and a temperature coefficient of just 5ppm/°C, making it ideal for applications requiring ultra-low drift over extended operating ranges (-40°C to +125°C). The REF200AU/2K5G4 operates with a low supply current of 45μA (typical) and supports a wide input voltage range (2.7V to 5.5V), ensuring compatibility with both battery-powered and industrial systems. Its compact SC70 (SOT-323) package enables space-saving integration in high-density PCB layouts, while its low noise performance (30μVPP, 0.1Hz to 10Hz) enhances signal integrity in sensitive analog circuits.
The REF200AU/2K5G4 is widely used in precision measurement and control systems where voltage stability is critical. In data acquisition systems (DAQs), it provides a stable reference for analog-to-digital converters (ADCs), ensuring accurate signal conversion. Medical instruments, such as portable ECG monitors and glucose meters, leverage its low noise and high accuracy to improve measurement resolution. Industrial automation equipment, including PLCs and sensor interfaces, rely on its temperature stability for consistent performance across varying environmental conditions. The REF200AU/2K5G4 also serves as a reference for digital potentiometers and voltage regulators, enhancing system-level precision.
Alternative Reference Models
● Analog Devices ADR4520: A 2.048V voltage reference with ±0.02% initial accuracy and 2ppm/°C drift, ideal for high-end instrumentation.
● Microchip MCP1501T-2048E/CH: A 2.048V reference featuring ±0.04% accuracy and 10ppm/°C drift, suitable for cost-sensitive industrial applications.
● Maxim Integrated MAX6126AASA20+T: A 2.048V ultra-low-noise reference with ±0.02% accuracy, optimized for audio and RF applications.
● onsemi NCP5530DMR2G: A 2.048V reference with ±0.1% accuracy and 50ppm/°C drift, targeting general-purpose precision systems.
