Manufacturer Part Number
LM4128CMFX-2.5
Manufacturer
Texas Instruments
Introduction
Precision voltage reference for power management applications
Product Features and Performance
Precision series voltage reference
Fixed 2.5V output
Suitable for up to 20 mA output current
Low temperature coefficient (100ppm/°C)
Low noise performance with 275µVp-p from 0.1Hz to 10Hz
Product Advantages
High accuracy due to tight tolerance (±0.5%)
Wide operating temperature range (-40°C to 125°C)
Low supply current (100µA) suitable for battery-powered devices
Supports a wide input voltage range (2.9V to 5.5V)
Key Technical Parameters
Fixed voltage output: 2.5V
Output current capacity: 20 mA
Tolerance: ±0.5%
Temperature Coefficient: 100ppm/°C
Voltage Input range: 2.9V to 5.5V
Supply Current: 100µA
Low output noise: 275µVp-p
Quality and Safety Features
High precision and stability over temperature
Industry-standard package (SOT-23-5) ensuring robustness and reliability
Compatibility
Compatible with a wide range of circuits requiring a fixed 2.5V reference
Surface mount form factor (SC-74A, SOT-753)
Application Areas
A/D and D/A converters
Portable instruments and battery-operated equipment
Data acquisition systems
Medical and healthcare devices
Industrial process control systems
Product Lifecycle
Obsolete product status
Potential unavailability in the market
Consider sourcing alternatives or seeking replacement parts
Reasons to Choose This Product
High precision voltage reference for critical applications
Suitable for high-temperature environments
Small form factor for compact designs
Low power consumption ideal for portable devices
Recognized manufacturer with a strong reputation for quality