Manufacturer Part Number
LM4140ACM-1.0
Manufacturer
Texas Instruments
Introduction
This product is a high-precision, low-noise voltage reference from Texas Instruments, designed for power management applications.
Product Features and Performance
High-precision voltage reference of 1.024V
Low noise over 0.1Hz to 10Hz at 2.2µVp-p
Stable with a temperature coefficient of 3ppm/°C
Supports a wide input voltage range from 1.8V to 5.5V
Output current capability up to 8 mA
Low supply current requirement at 375µA
Product Advantages
Exceptionally low temperature drift
Very low noise performance for sensitive applications
Flexible input voltage range catering to various power supplies
Robust output current for driving loads or ADCs
Minimal external components needed due to series reference type
Key Technical Parameters
Voltage Output (Min/Fixed): 1.024V
Current Output: 8 mA
Tolerance: ±0.1%
Temperature Coefficient: 3ppm/°C
Noise 0.1Hz to 10Hz: 2.2µVp-p
Voltage Input: 1.8V ~ 5.5V
Current Supply: 375µA
Operating Temperature: 0°C ~ 70°C
Quality and Safety Features
Designed and tested for reliable operation within specified temperature ranges
Compatibility
Surface Mount type in an 8-SOIC Package, compatible with standard SMT processes
Application Areas
Precision instrumentation
High-end audio equipment
Test and measurement systems
Medical devices
Industrial control systems
Product Lifecycle
Marked as Obsolete, suggesting alternatives or looking for upgrades may be necessary
Several Key Reasons to Choose This Product
Industry-leading temperature stability and low noise make it ideal for critical applications.
Versatile for use in a broad range of applications due to its wide input voltage range and considerable output current capability.
Texas Instruments' reliability and quality assurance for demanding power management needs.
Though obsolete, its performance parameters make it suitable for specific legacy systems in need of maintenance or exact replacements.
LM4140ACMX-1.0Texas Instruments
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