Manufacturer Part Number
MAX990EUA+T
Manufacturer
Analog Devices
Introduction
High-precision dual comparator designed for low-voltage applications
Product Features and Performance
Dual comparator configuration
Rail-to-rail output
CMOS, Open-Drain, TTL output types
Low input offset voltage
Extremely low input bias current
High Common Mode Rejection Ratio (CMRR) and Power Supply Rejection Ratio (PSRR)
Fast propagation delay
Built-in hysteresis for clean switching
Single or dual supply voltage operation
Product Advantages
Precision operation with low power consumption
Flexible output options for various circuit designs
Excellent stability and immunity to noise
Suitable for battery-operated devices due to low quiescent current
Can reliably operate in a broad range of environmental temperatures
Key Technical Parameters
Number of Elements: 2
Voltage Supply, Single/Dual (±): 2.5V to 5.5V, ±1.25V to ±2.75V
Voltage Input Offset (Max): 5mV at 5.5V
Current Input Bias (Max): 1pA at 5.5V
Current Quiescent (Max): 24µA
CMRR, PSRR (Typical): 80dB CMRR, 80dB PSRR
Propagation Delay (Max): 450ns
Hysteresis: ±3mV
Operating Temperature Range: -40°C to 85°C
Quality and Safety Features
Robust design ensures reliability over temperature extremes
Compatibility
Industry standard 8-TSSOP, 8-MSOP package compatible with most PCB designs
Complementary to numerous ADCs and microcontrollers
Application Areas
Battery management systems
Threshold detectors and level shifting
Window comparators
A/D converters
Zero-crossing detectors
Product Lifecycle
Currently active product
No indication of discontinuation
Replacement or upgrade options anticipated to be available
Several Key Reasons to Choose This Product
High precision ensures accurate signal comparison for critical applications
Low power consumption ideal for mobile or power-sensitive systems
Versatile supply voltage range allows for design flexibility
High immunity to power supply and common-mode noise maintains signal fidelity
Available in compact surface-mount packaging suitable for space-constrained applications