MAX6071BAUT21+T: High-Precision 2.048V Voltage Reference IC in SOT-23-6 Package | Analog Devices
MAX6071BAUT21+T: Ultra-Precise 2.048V Voltage Reference IC in Compact SOT-23-6 Package
The MAX6071BAUT21+T from Analog Devices (formerly Maxim Integrated) represents the gold standard in precision voltage references, delivering exceptional 2.048V output stability for mission-critical applications. This comprehensive guide explores why engineers worldwide trust this IC for their most demanding designs.
Technical Deep Dive: MAX6071BAUT21+T Specifications
Unmatched Precision Performance
- Reference Voltage: 2.048V 0.08% initial accuracy
- Temperature Coefficient: 8ppm/ C (max) across -40 C to +125 C
- Long-Term Stability: 50ppm/1000hr typical
- Noise Performance: 6.4 Vp-p (0.1Hz-10Hz), 8.6 Vrms (10Hz-10kHz)
Power Efficiency & Operating Parameters
- Input Voltage Range: 2.7V to 5.5V
- Supply Current: 260 A (typical)
- Output Current: 10mA (sink/source capability)
- Startup Time: 200 s to 0.1% accuracy
Package & Environmental Specifications
Compact SOT-23-6 Package
The industry-standard SOT-23-6 package (1.6mm 2.9mm) enables high-density PCB layouts while maintaining excellent thermal characteristics:
- Junction-to-Ambient Thermal Resistance: 206 C/W
- Moisture Sensitivity Level (MSL): 1 (unlimited floor life)
Robust Environmental Performance
- Operating Temperature: -40 C to +125 C
- ESD Protection: 2kV HBM
Comparative Advantages Over Competing Solutions
The MAX6071BAUT21+T outperforms similar voltage references in several key areas:
| Parameter | MAX6071BAUT21+T | Typical Competitor |
|---|---|---|
| Initial Accuracy | 0.08% | 0.1% |
| Tempco (0 C-70 C) | 5ppm/ C | 10ppm/ C |
| Supply Current | 260 A | 350 A |
| Dropout Voltage | 300mV | 500mV |
Application Circuits & Design Considerations
Typical Application Schematic
The MAX6071BAUT21+T requires minimal external components:
- Input bypass capacitor: 0.1 F ceramic (required)
- Output capacitor: 1 F ceramic (recommended)
- PCB layout: Keep traces short, use ground plane
Noise Reduction Techniques
For ultra-low noise applications:
- Add 10 F tantalum capacitor at output
- Use separate analog and digital grounds
- Implement star grounding at reference output
Industry Applications
Industrial Automation Systems
- PLC analog I/O modules
- Process control instrumentation
- 4-20mA transmitter loops
Test & Measurement Equipment
- Precision multimeters
- Data acquisition systems
- Calibration references
Automotive Electronics
- ECU reference voltages
- Sensor signal conditioning
- Battery management systems
Purchasing & Technical Support
The MAX6071BAUT21+T is available through authorized distributors with the following ordering information:
- Package Quantity: 3,000 units per reel
- Lead Time: Typically 6-8 weeks
- RoHS Compliance: Fully compliant
For design support, Analog Devices provides:
- SPICE models
- Evaluation kit (MAX6071EVKIT+)
- Application notes (AN682, AN3421)
Conclusion: Why Choose MAX6071BAUT21+T?
The MAX6071BAUT21+T sets new benchmarks for precision voltage references with its combination of ultra-tight tolerance, excellent temperature stability, and robust performance in harsh environments. Its compact SOT-23-6 package makes it ideal for space-constrained applications without compromising performance. Whether you're designing industrial control systems, precision instrumentation, or automotive electronics, this voltage reference delivers the accuracy and reliability demanded by today's most challenging designs.
For engineers requiring the ultimate in voltage reference performance, the MAX6071BAUT21+T represents an optimal balance of precision, power efficiency, and cost-effectiveness in its class.