Manufacturer Part Number
REF3333AIDCKT
Manufacturer
Texas Instruments
Introduction
Low-power, precision voltage reference for Power Management applications
Product Features and Performance
High accuracy fixed 3.3V output voltage
Low output noise of 92µVp-p from 0.1Hz to 10Hz
Low temperature coefficient at 30ppm/°C
Low supply current of 8.5µA
Wide input voltage range from 3.5V to 5.5V
Maximum output current of 5 mA
Product Advantages
High precision with tolerance of ±0.15%
Operational over wide temperature range of -40°C to 125°C
Compact surface mount form factor in SC-70 package
Stable and low noise performance for sensitive applications
Key Technical Parameters
Output Voltage: 3.3V (fixed)
Tolerance: ±0.15%
Temperature Coefficient: 30ppm/°C
Noise (0.1Hz to 10Hz): 92µVp-p
Input Voltage: 3.5V - 5.5V
Supply Current: 8.5µA
Operating Temperature Range: -40°C to 125°C
Output Current Capability: 5 mA
Quality and Safety Features
Reliable performance under extended temperatures
Built to industry-standard specifications and quality
Conforms to Texas Instruments' quality management processes
Compatibility
Compatible with various microcontrollers and digital systems requiring a precision reference
Usable in surface mount technology (SMT) due to SC-70 packaging
Application Areas
Battery-powered devices
Precision measurement systems
Portable medical instruments
Industrial automation controls
Automotive electronics
Product Lifecycle
Active product status, not indicated as nearing discontinuation
Availability of replacements or upgrades is determined by Texas Instruments market strategy
Several Key Reasons to Choose This Product
High precision and low tolerance ideal for critical applications
Low power consumption suitable for battery-operated devices
Robust performance across a broad temperature range
Stable output with low noise for high performance electronics
Space-saving package for compact electronic assemblies