Manufacturer Part Number
LMC7221AIMX
Manufacturer
Texas Instruments
Introduction
Low-power, high-precision comparator for general-purpose applications
Product Features and Performance
Operates on single supply from 2.7V to 15V or dual supplies from ±1.35V to ±7.5V
Typical input offset voltage of 5mV at 5V
Low input bias current of 0.04pA at 5V
High common-mode rejection ratio (CMRR) of 75dB and power supply rejection ratio (PSRR) of 80dB
Fast propagation delay of 10μs
Open-drain output can sink up to 30mA
Product Advantages
Exceptionally low input bias current for high-impedance applications
Wide supply voltage range allows use in a variety of systems
High CMRR and PSRR for reliable operation in noisy environments
Small 8-SOIC package for space-constrained designs
Key Technical Parameters
Single-supply operation: 2.7V to 15V
Dual-supply operation: ±1.35V to ±7.5V
Quiescent current: 14μA (max)
Input offset voltage: 5mV (max) at 5V
Input bias current: 0.04pA (max) at 5V
Propagation delay: 10μs (max)
CMRR: 75dB (typ)
PSRR: 80dB (typ)
Output current: 30mA (typ)
Quality and Safety Features
RoHS non-compliant
Compatibility
Surface mount 8-SOIC package
Application Areas
General-purpose comparator applications
High-impedance sensor interfaces
Voltage monitoring and level detection
Analog-to-digital conversion
Waveform generation
Product Lifecycle
This product is an active and widely used part in the Texas Instruments portfolio. Replacement and upgrade options are available.
Key Reasons to Choose This Product
Exceptionally low input bias current for high-impedance applications
Wide supply voltage range allows use in a variety of systems
High CMRR and PSRR for reliable operation in noisy environments
Fast propagation delay for time-critical applications
Small 8-SOIC package for space-constrained designs
