Manufacturer Part Number
MAX921CUA+T
Manufacturer
Analog Devices
Introduction
The MAX921CUA+T is a linear comparator from Analog Devices featuring voltage reference and is well suited for various applications requiring precise voltage monitoring.
Product Features and Performance
Single comparator element
Output types include CMOS and TTL
Integrated voltage reference
Supports wide voltage supply range from 2.5V up to 11V or dual supply from ±1.25V to ±5.5V
Low input offset voltage: 10mV @ 5V
High output current: 50mA
Low quiescent current: 5µA
Excellent CMRR and PSRR: 80dB each
Propagations delay: 12µs maximum
Hysteresis set at 50mV
Product Advantages
High output capability supporting diverse loads
Precision monitoring due to low input offset
Energy-efficient with low quiescent current
Robust noise immunity with high CMRR and PSRR
Key Technical Parameters
Supply voltage (single/dual): 2.5V ~ 11V / ±1.25V ~ 5.5V
Input offset voltage (max): 10mV at 5V
Output current (typical): 50mA
Quiescent current (max): 5µA
Common-mode rejection ratio (typical): 80dB
Power supply rejection ratio (typical): 80dB
Propagation delay (max): 12µs
Hysteresis: 50mV
Operating temperature range: 0°C to 70°C
Quality and Safety Features
Highly reliable performance with robust noise rejection features.
Tested for safety and quality within operating temperature limits
Compatibility
Compatible with CMOS and TTL logic levels
Suitable for integration in a broad range of circuit designs
Application Areas
Power supply monitoring
Over-voltage and under-voltage detection
Window comparators
Battery-powered systems
Product Lifecycle
Status: Active
This product is currently in active production with no announced discontinuation and has replacements or upgrades available if needed.
Several Key Reasons to Choose This Product
Wide voltage supply range flexibility
Low power consumption enhancing battery life in portable applications
Fast response time with short propagation delay
Integrated features reducing component count in design
Suitable for commercial and industrial temperature ranges
Optimal performance in temperature and noise-sensitive applications
MAX9219ECMAnalog Devices / Maxim Integrated