Overview
The LMC7215IM5/NOPB is a micro-power, rail-to-rail CMOS comparator produced by Texas Instruments. This component is part of the LMC7215 family, which includes the LMC7215 and LMC7225 models. It is designed for ultra-low power consumption, making it ideal for battery-powered applications and systems where power efficiency is critical. The LMC7215IM5/NOPB features a push-pull output stage, allowing for minimal power consumption while driving various loads.
Key Specifications
| Parameter | Conditions | Typical Value | Limit |
|---|---|---|---|
| Supply Current (IS) | VIN+ = 5V, VIN- = 0V | 0.7 μA | 1.2 μA (max) |
| Input Offset Voltage (VOS) | TJ = 25°C, V+ = 2.7V to 5V | 6 mV | 8 mV (max) |
| Input Current (IB) | TJ = 25°C, V+ = 2.7V to 5V | 5 fA | |
| Common Mode Rejection Ratio (CMRR) | VCM = 0V to 2.5V and 2.5V to 5V when VS = 5V | 80 dB | 60 dB (min) |
| Propagation Delay | VS = 5V, Overdrive = 10 mV | 25 μs | |
| Output Short Circuit Current | V+ = 5.0V, Sourcing | 50 mA | |
| Output Short Circuit Current | V+ = 5.0V, Sinking | 30 mA | |
| Operating Temperature Range | -40°C to 85°C | ||
| Package Type | SOT-23 DBV |
Key Features
- Ultra Low Power Consumption: The LMC7215IM5/NOPB has a supply current of 0.7 μA, making it highly efficient for battery-powered applications.
- Rail-to-Rail Input Common Mode Range: The input voltage range extends beyond the supply voltages, allowing for greater flexibility in single supply applications.
- Push-Pull Output Stage: The LMC7215 features a push-pull output stage, enabling it to drive heavy loads directly with minimal power consumption.
- High Output Current Drive: Capable of sourcing up to 50 mA and sinking over 20 mA at 5V supply.
- Input Protection: Inputs are protected by diodes to both supplies, safeguarding against ESD and overvoltage conditions.
- Compact Package: Available in a tiny 5-pin SOT-23 package.
- AEC-Q100 Grade 3 Qualified: The LMC7215-Q1 version is qualified for automotive applications.
Applications
- Laptop Computers: Ideal for power-efficient designs in portable electronics.
- Mobile Phones: Suitable for battery-powered mobile devices.
- Metering Systems: Used in various metering and monitoring systems.
- Hand-held Electronics: Perfect for power-sensitive handheld devices.
- RC Timers and Alarm Systems: Used in timing and alarm circuits where low power is essential.
Q & A
- What is the typical supply current of the LMC7215IM5/NOPB?
The typical supply current is 0.7 μA. - What is the input offset voltage range for the LMC7215IM5/NOPB?
The input offset voltage range is typically 6 mV with a maximum limit of 8 mV. - What is the common mode rejection ratio (CMRR) of the LMC7215IM5/NOPB?
The CMRR is typically 80 dB with a minimum of 60 dB. - What is the propagation delay of the LMC7215IM5/NOPB?
The propagation delay is typically 25 μs with an overdrive of 10 mV. - Can the LMC7215IM5/NOPB drive heavy loads?
Yes, it can source up to 50 mA and sink over 20 mA at 5V supply. - What is the operating temperature range of the LMC7215IM5/NOPB?
The operating temperature range is -40°C to 85°C. - Is the LMC7215IM5/NOPB suitable for automotive applications?
Yes, the LMC7215-Q1 version is AEC-Q100 Grade 3 Qualified. - What package types are available for the LMC7215IM5/NOPB?
It is available in a 5-pin SOT-23 DBV package. - How are the inputs of the LMC7215IM5/NOPB protected?
The inputs are protected by diodes to both supplies, safeguarding against ESD and overvoltage conditions. - What are some common applications of the LMC7215IM5/NOPB?
Common applications include laptop computers, mobile phones, metering systems, hand-held electronics, and RC timers and alarm systems.
