Overview
The LMC7215IM5/NOPB is a low-power, single-channel analog comparator produced by Texas Instruments. It is part of the LMC series of CMOS comparators known for their ultra-low power consumption and wide range of supply voltages. This comparator features a push-pull output stage, making it suitable for a variety of applications where minimal power consumption is critical. The device is packaged in a compact 5-pin SOT-23 package, enhancing its suitability for space-constrained designs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Comparator Type | Low Power | |
| Mounting Type | Surface Mount | |
| Package Type | SOT-23 | |
| Power Supply Type | Dual | |
| Output Type | Push-Pull | |
| Number of Channels per Chip | 1 | |
| Pin Count | 5 | |
| Dimensions | 2.92 x 1.6 x 1.02 mm | |
| Typical CMRR | 80 dB | |
| Typical Dual Supply Voltage | ±8 V | |
| Minimum Operating Temperature | -40 °C | |
| Typical PSRR | 90 dB | |
| Maximum Operating Temperature | +85 °C | |
| Typical Voltage Gain | 140 dB | |
| Supply Current (Max) | 1 μA | |
| Propagation Delay (@ VS = 5V, 10 mV Overdrive) | 25 μs | |
| Input Offset Voltage (Max) | 6000 μV |
Key Features
- Ultra-Low Power Consumption: The LMC7215IM5/NOPB has a maximum supply current of 1 μA, making it highly efficient for battery-powered applications.
- Wide Range of Supply Voltages: Operates over a supply voltage range of 2V to 8V, allowing flexibility in various system designs.
- Push-Pull Output Stage: Enables the comparator to drive loads directly with minimal power consumption.
- High Output Current Drive: Can source up to 50 mA and sink over 20 mA, suitable for driving heavy loads like LEDs and beepers.
- Input Common-Mode Range Beyond V+ and V-: Allows sensing of supply current and voltage without overdriving the inputs.
- Compact Package: 5-pin SOT-23 package, ideal for space-constrained designs.
- High CMRR and PSRR: Typical common-mode rejection ratio (CMRR) of 80 dB and power supply rejection ratio (PSRR) of 90 dB ensure robust performance against noise.
Applications
- Laptop Computers: Ideal for power management and battery monitoring systems.
- Mobile Phones: Suitable for battery-powered applications requiring low power consumption.
- Metering Systems: Used in energy metering and monitoring circuits.
- Hand-held Electronics: Perfect for portable devices such as calculators, remote controls, and other handheld gadgets.
- RC Timers and Alarm Systems: Used in timing and alarm circuits where low power is essential.
- Monitoring Circuits: Applied in various monitoring and control systems where low power and high accuracy are required.
Q & A
- What is the typical supply current of the LMC7215IM5/NOPB?
The typical supply current is 0.7 μA.
- What is the operating temperature range of the LMC7215IM5/NOPB?
The operating temperature range is from -40 °C to +85 °C.
- What is the output type of the LMC7215IM5/NOPB?
The output type is push-pull.
- What is the package type of the LMC7215IM5/NOPB?
The package type is SOT-23 with 5 pins.
- What is the typical propagation delay of the LMC7215IM5/NOPB?
The typical propagation delay is 25 μs at VS = 5V and 10 mV overdrive.
- What is the maximum output current drive of the LMC7215IM5/NOPB?
The comparator can source up to 50 mA and sink over 20 mA.
- Is the LMC7215IM5/NOPB RoHS compliant?
- What is the input offset voltage of the LMC7215IM5/NOPB?
The maximum input offset voltage is 6000 μV.
- Can the LMC7215IM5/NOPB be used in automotive applications?
The LMC7215-Q1 version is AEC-Q100 Grade 3 qualified for automotive applications, but the standard LMC7215IM5/NOPB is not specifically qualified for automotive use.
- What are the typical CMRR and PSRR values of the LMC7215IM5/NOPB?
The typical CMRR is 80 dB and the typical PSRR is 90 dB).
