Manufacturer Part Number
REF3112AQDBZRQ1
Manufacturer
Texas Instruments
Introduction
REF3112AQDBZRQ1 is a high-precision voltage reference from Texas Instruments designed for power management applications with an emphasis on stability and low noise.
Product Features and Performance
Series reference type
Fixed output type delivering a stable 1.25V voltage
Output current capability of 10 mA
Low output noise characteristics, 17µVp-p at 0.1Hz to 10Hz and 24µVrms at 10Hz to 10kHz
Excellent temperature coefficient at 20ppm/°C
Wide voltage input range from 1.8V to 5.5V
Low supply current of 135µA
Product Advantages
High accuracy with a tolerance of ±0.2%
Operational across a broad temperature range from -40°C to 125°C, suitable for harsh environments
Automotive-grade quality adhering to AEC-Q100 qualification
Robust surface mount package TO-236-3 (SOT-23-3)
Key Technical Parameters
Voltage Output (Min/Fixed): 1.25V
Current - Output: 10 mA
Tolerance: ±0.2%
Temperature Coefficient: 20ppm/°C
Noise level low at 0.1Hz to 10Hz and 10Hz to 10kHz
Input voltage range: 1.8V ~ 5.5V
Current - Supply: 135µA
Quality and Safety Features
Meets automotive industry quality standards AEC-Q100
Designed to ensure long-term stability and reliability
Compatibility
Packaged in industry-standard SOT-23-3
Easily integrates with a wide range of circuits due to its input voltage flexibility
Application Areas
Automotive electronics
Industrial automation and control
Data acquisition systems
Consumer electronics
Precision instrumentation
Product Lifecycle
Product Status: Active
Not reported as nearing discontinuation, replacements or upgrades should be available.
Several Key Reasons to Choose This Product
Precision reference voltage for critical applications
High stability across temperature and load variations
Low noise output suitable for sensitive electronics
Qualifies for automotive applications meeting stringent quality standards
Energy-efficient operation with low supply current
Compact, surface-mount form factor for space-constrained designs
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