Manufacturer Part Number
MAX991ESA
Manufacturer
Analog Devices
Introduction
The MAX991ESA is a general-purpose linear comparator designed for applications that require high speed and low power consumption.
Product Features and Performance
General Purpose Comparator
Dual Element Configuration
Output Types: CMOS, Push-Pull, Rail-to-Rail, TTL-Compatible
Low Voltage Operation Range
Low Input Offset Voltage
Ultra-Low Input Bias Current
Good Common-Mode Rejection Ratio and Power Supply Rejection Ratio
Fast Propagation Delay
Built-in Hysteresis for Stability
Product Advantages
Dual Comparators in a Single Package for Compact Design
Versatile Output Compatible with Various Logic Types
Operates from a Single Power Supply or Dual Supplies
Efficient Power Usage Ideal for Battery-Powered Devices
High Precision with Low Input Bias and Offset Voltage
High-Speed Response Suitable for Fast-Paced Applications
Key Technical Parameters
Supply Voltage Range: 2.5V to 5.5V or ±1.25V to ±2.75V
Input Offset Voltage: Maximum 5mV at 5.5V
Input Bias Current: Maximum 1pA at 5.5V
Quiescent Current: Maximum 96µA
Common-Mode Rejection Ratio: Typically 80dB
Power Supply Rejection Ratio: Typically 80dB
Propagation Delay: Maximum 210ns
Hysteresis: ±2.5mV
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Built-in Hysteresis for Noise Immunity
Reliable Performance across Specified Temperature Range
Compatibility
Output Compatible with CMOS, TTL, and Other Logic Standards
Suitable for Surface Mount Technology (SMT) on Various PCBs
Application Areas
High-Speed Timers and Oscillators
Zero-Crossing Detectors
Window Comparators
Battery-Powered Systems
Sensor Signal Processing
Product Lifecycle
Product Status: Obsolete
Information on Replacement or Upgrades: Contact Manufacturer
Several Key Reasons to Choose This Product
Compact and Efficient for Space-Constrained Applications
Adaptable to Various Logic Families via Multi-Mode Outputs
Ideal for Low-Voltage and Low-Power Devices
Accelerates Design with Built-In Features Reducing External Components
Suitable for Automated Mass Production with its SMT Friendly Package
Guarantees Reliable Operation in a Wide Range of Environments
Provides High-Speed Operation for Real-Time Applications