LTC1440IS8#PBF (1)
Manufacturer Part Number
LTC1440IS8#PBF
Manufacturer
Analog Devices
Introduction
The LTC1440IS8#PBF is a low-power, high-precision linear comparator from Analog Devices, designed with an integrated voltage reference. It is tailored for systems requiring precise voltage monitoring and control.
Product Features and Performance
Integrated voltage reference for enhanced precision
Low voltage operation, compatible with single and dual supply configurations
High output drive current of 40mA suitable for driving TTL and CMOS loads
Exceptionally low quiescent current (4.4µA max), optimizing power efficiency
Supports a wide operating temperature range (-40°C to 85°C)
Features a maximum input offset voltage of 10mV at 5V
Offers high Common Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR) of 80dB, ensuring stability against fluctuations
Fast propagation delay (max 15µs), suitable for timely response applications
Built-in hysteresis of 50mV for noise immunity
Product Advantages
Energy-efficient operation reduces power consumption and heat generation
High precision and stability ensure reliable performance in critical applications
Broad compatibility with various logic types (CMOS, TTL) allows versatile use
Ease of integration due to the surface mount package
Key Technical Parameters
Voltage Supply Range: 2V ~ 11V single, ±1V ~ 5.5V dual
Maximum Propagation Delay: 15µs
CMRR, PSRR: 80dB
Operating Temperature: -40°C ~ 85°C
Output Type: CMOS, TTL
Quality and Safety Features
Meets stringent industry standards for quality and reliability
Robust against voltage fluctuations and operational stress
Compatibility
Versatile for use with both single and dual power supplies
Suitable for interfacing with various microcontrollers and logic systems due to its TTL and CMOS compatible outputs
Application Areas
Power supply monitoring
Battery management systems
Window comparators
Voltage level sensing
Embedded systems requiring precise voltage control
Product Lifecycle
Currently marked as Active, indicating ongoing manufacture and support
No imminent discontinuation, ensuring availability for new designs and maintenance
Several Key Reasons to Choose This Product
Ultra-low power consumption for energy-sensitive designs
High precision and reliability for critical monitoring tasks
Flexible power supply options cater to a wide range of applications
Fast response time to dynamic voltage changes
High integration reduces the need for external components, simplifying design and reducing costs
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