Manufacturer Part Number
MAX921CSA+T
Manufacturer
Analog Devices
Introduction
The MAX921CSA+T is a linear comparator that includes a voltage reference, designed for applications that require low power consumption and precise voltage comparison.
Product Features and Performance
Includes a built-in voltage reference
Type: Linear Comparator with Voltage Reference
Output Type: CMOS, TTL compatible
Single or dual power supply options
Low voltage operation starting at 2.5V
High output current capacity of 50mA
Ultra-low quiescent current of 5µA
Excellent CMRR and PSRR of 80dB
Fast propagation delay of 12µs
Hysteresis feature of 50mV for added noise immunity
Product Advantages
High compatibility with both CMOS and TTL logic levels
Energy-efficient operation with minimal power draw
Enhanced precision with contained input offset voltage
Robust performance over standard operating temperature range
Key Technical Parameters
Supply Voltage Range: 2.5V to 11V, ±1.25V to ±5.5V
Input Offset Voltage (Max): 10mV @ 5V
Output Current (Typical): 50mA
Quiescent Current (Max): 5µA
Common Mode Rejection Ratio (Typical): 80dB
Power Supply Rejection Ratio (Typical): 80dB
Maximum Propagation Delay: 12µs
Operating Temperature Range: 0°C to 70°C
Quality and Safety Features
Built-in hysteresis for stability under noisy conditions
Reliable performance across specified temperature range
Compatibility
Compatible with CMOS and TTL logic levels
Suitable for use with a range of single or dual supply voltages
Application Areas
Power supply control systems
Threshold detectors and discriminators
Zero-crossing detectors
Window comparators
Product Lifecycle
Currently in active production
Not close to discontinuation
Upgrades or replacements are readily available should future needs arise
Several Key Reasons to Choose This Product
Low power consumption enhances battery life in portable devices
Fast response time suitable for real-time applications
High output drive capacity of 50mA allows direct interfacing with relays and lamps
Extremely low quiescent current helps in power-sensitive designs
Versatile supply voltage options offer flexibility in different circuit designs