The LMC7221BIM is a high-performance, ultra low power CMOS voltage comparator manufactured by Texas Instruments. This precision device is designed to operate over a wide range of supply voltages, from 2.7V to 15V, and features a very low current consumption, making it ideal for battery-powered and portable applications.
Key Features
- Supply Voltage Range: Operates from 2.7V to 15V, accommodating a variety of power sources.
- Low Current Consumption: With a typical quiescent current of only 1µA, it is optimal for power-sensitive designs.
- Input Offset Voltage: Offers a low input offset voltage, which enhances accuracy in signal processing applications.
- Output Stage: The push-pull output stage eliminates the need for an external pull-up resistor and can drive loads directly.
- Response Time: Fast response time ensures quick transitions and accurate timing in critical applications.
- Temperature Range: Guaranteed performance over the industrial temperature range (-40°C to +85°C).
Applications
The LMC7221BIM is versatile and can be used in a variety of applications, including:
- Portable and battery-operated equipment
- Threshold detectors and level shifters
- Window comparators
- Zero-crossing detectors
- Sampling circuits
- Relay drivers
Product Specifications
Parameter
Value
Supply Voltage (V<sub>CC)
2.7V to 15V
Quiescent Current (I<sub>Q)
1µA (Typical)
Input Offset Voltage (V<sub>OS)
Specified at production
Output Configuration
Push-Pull
Operating Temperature
-40°C to +85°C
With its low power consumption and high accuracy, the LMC7221BIM from Texas Instruments is an excellent choice for designers looking for a reliable voltage comparator in energy-sensitive and space-constrained applications.
