Manufacturer Part Number
LM4040B25IDCKR
Manufacturer
Texas Instruments
Introduction
The LM4040B25IDCKR by Texas Instruments is a precision micropower shunt voltage reference in a small surface-mount package, designed for power-sensitive applications.
Product Features and Performance
Fixed 2.5V output with a precision tolerance of ±0.2%
Low temperature coefficient of 100ppm/°C, ensuring stable operation over temperature variations
Low dynamic impedance
Supports a wide range of operating temperatures from -40°C to 85°C
Low output noise of 35µVrms for 10Hz to 10kHz, suitable for noise-sensitive applications
Product Advantages
High output voltage accuracy and stability improve overall system performance
Suitable for battery-powered and portable devices due to low power consumption
Minimal external components required for operation
Key Technical Parameters
Output Voltage: 2.5V (Min/Fixed)
Output Current: 15 mA
Tolerance: ±0.2%
Temperature Coefficient: 100ppm/°C
Noise (10Hz to 10kHz): 35µVrms
Current Cathode: 80 µA
Operating Temperature: -40°C to 85°C
Quality and Safety Features
Robust against temperature fluctuations and noise interference
Compatibility
Compatible with surface mount technology, facilitating integration into a wide range of electronic circuits
Application Areas
Precision voltage regulation in portable and battery-powered devices
Data acquisition systems
Microcontrollers supply voltage reference
Medical and healthcare electronics
Product Lifecycle
The product status is active, indicating ongoing production and availability.
Not nearing discontinuation, with no immediate replacement or upgrade needed.
Several Key Reasons to Choose This Product
Industry-leading accuracy and stability offer enhanced performance in critical applications.
Minimal power consumption is ideal for power-sensitive designs.
Wide operating temperature range allows for use in various environments.
High reliability and low noise output improve the quality of sensitive electronic circuits.
Ease of integration with existing designs due to surface mount packaging and compatibility.
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