Overview
The LMC6762AIMX/NOPB, produced by Texas Instruments, is a dual micro-power rail-to-rail input CMOS comparator. This device is designed for ultra-low power consumption, making it ideal for battery-powered and portable electronic applications. It features a push-pull output, allowing direct connections to logic devices without the need for a pull-up resistor. The LMC6762 operates over a wide range of supply voltages from 2.7V to 15V, ensuring compatibility with various system requirements.
Key Specifications
| Parameter | Description | Typical Value | Maximum Value |
|---|---|---|---|
| Number of Comparators | 2 | - | - |
| Supply Voltage Range | 2.7V to 15V | - | - |
| Supply Current per Comparator | 10 μA | 20 μA | |
| Input Offset Voltage | 3 mV | 15 mV | |
| Input Common-Mode Voltage Range | Exceeds both supplies | - | - |
| Propagation Delay | 4 μs | - | |
| Output Voltage High | 2.5 V (at ILOAD = 2.5 mA, V+ = 2.7V) | 2.3 V | |
| Output Voltage Low | 0.2 V (at ILOAD = 2.5 mA, V+ = 2.7V) | 0.4 V | |
| Short Circuit Current | 40 mA | - | |
| Operating Temperature Range | -40°C to +85°C | - | - |
| Package Type | SOIC-8 | - | - |
Key Features
- Ultra-Low Power Consumption: Maximum supply current of 10 μA per comparator, making it suitable for battery-powered devices.
- Rail-To-Rail Input Common Mode Voltage Range: The input common-mode voltage range exceeds both supplies, which is beneficial in low-voltage applications.
- Push-Pull Output: Allows direct connections to logic devices without the need for a pull-up resistor.
- Wide Supply Voltage Range: Operates from 2.7V to 15V, ensuring compatibility with various system requirements.
- Short Circuit Protection: Up to 40 mA short circuit current.
- High Common Mode Rejection Ratio (CMRR): 75 dB, ensuring minimal input offset voltage shift over the common-mode range.
- Low Propagation Delay: 4 μs at V+ = 5V with a 100 mV overdrive.
Applications
- Portable Phones and Hand-Held Electronics: Ideal for battery-powered devices due to its ultra-low power consumption.
- Laptop Computers: Suitable for power management and sensor monitoring.
- Mobile Phones: Used in various analog-to-digital interface applications.
- Metering Systems: For precision measurement and comparison tasks.
- Alarm and Monitoring Circuits: Effective in detecting and comparing analog signals against reference voltages.
- Window Comparators and Multivibrators: Can be used in oscillator circuits and zero-crossing detectors.
Q & A
- What is the maximum supply current per comparator for the LMC6762?
The maximum supply current per comparator is 10 μA.
- What is the operating temperature range of the LMC6762?
The operating temperature range is -40°C to +85°C.
- What is the input common-mode voltage range of the LMC6762?
The input common-mode voltage range exceeds both supplies.
- Does the LMC6762 have short circuit protection?
- What is the propagation delay of the LMC6762 at V+ = 5V?
The propagation delay is 4 μs with a 100 mV overdrive.
- Can the LMC6762 operate at low supply voltages?
- What is the package type of the LMC6762AIMX/NOPB?
The package type is SOIC-8.
- Is the LMC6762 suitable for battery-powered applications?
- Can the LMC6762 be used in sensor applications?
- What is the common mode rejection ratio (CMRR) of the LMC6762?
The CMRR is 75 dB.
