Manufacturer Part Number
LM4040DIM3X-3.0
Manufacturer
Texas Instruments
Introduction
The LM4040DIM3X-3.0 is a precision micropower shunt voltage reference in a small outline transistor (SOT-23) surface-mount package.
Product Features and Performance
Fixed 3V output voltage
Supports output current up to 15 mA
Precision ±1% tolerance
Low temperature coefficient of 150ppm/°C
Low noise: 35µVrms (10Hz to 10kHz)
Minimal operating current requirement of 70 µA
Product Advantages
High accuracy and stability due to precise tolerance and low temperature coefficient
Suitable for battery-powered applications due to low current requirements
Low noise contributes to high performance in sensitive circuits
Small form factor for space-restricted applications
Key Technical Parameters
Voltage Output (Min/Fixed): 3V
Current Output: 15 mA
Tolerance: ±1%
Temperature Coefficient: 150ppm/°C
Noise (10Hz to 10kHz): 35µVrms
Current Cathode: 70 µA
Operating Temperature Range: -40°C ~ 85°C
Quality and Safety Features
Operates reliably over a wide temperature range
Robust design for long-term stability
Compatibility
Compatible with various circuits requiring a stable reference voltage within its specified output current range
Application Areas
Power supply regulation
Battery-powered and portable devices
Data acquisition systems
Instrumentation
Product Lifecycle
Obsolete; users should consider alternatives as TI may not provide ongoing support
Several Key Reasons to Choose This Product
High precision voltage reference suitable for critical applications
Wide operating temperature range makes it suitable for industrial applications
Low power consumption optimal for portable and battery-operated devices
The small SOT-23 package allows for easy integration into a variety of circuit designs
Despite being obsolete, its performance characteristics may still make it the preferred choice for existing designs requiring minimal revisions