Overview
The LP311DRG4 is a low-power differential comparator with strobe functionality, manufactured by Texas Instruments. It is a part of the LP311 series, which are low-power versions of the industry-standard LM211 and LM311 devices. These comparators are designed to offer reduced power consumption while maintaining a relatively fast response time, making them suitable for battery-powered applications and other scenarios where low power consumption is critical.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Supply Voltage | - | 3.5 | 30 | V |
| Input Voltage Range | - | -14.5 | 13.5 | V |
| Input Offset Voltage | 7.5 mV | 2 mV | 10 mV | mV |
| Input Bias Current | 15 nA | - | 100 nA | nA |
| Output Drive Capability | 25 mA | - | - | mA |
| Response Time | 1.2 μs | - | - | μs |
| Operating Temperature Range | - | 0°C | 70°C | °C |
| Package Type | - | - | SOIC-8 | - |
Key Features
- Low Power Consumption: The LP311DRG4 has a typical power drain of 900 μW with a 5-V supply, making it suitable for battery-powered applications.
- Wide Supply Voltage Range: Operates from ±15 V or from a single supply as low as 3 V.
- High Output Drive Capability: Can drive a 25-mA load.
- Wide Common-Mode Input Range: Input range from -14.5 V to 13.5 V using ±15-V supply.
- Offset Balancing and Strobe Capability: Features offset balancing to minimize input offset voltage and a strobe pin to turn off the output.
- Fast Response Time: Response time of 1.2 μs typical.
- Low Input Currents: Low input bias and offset currents.
Applications
- Battery-Powered Devices: Ideal for applications where low power consumption is critical.
- Industrial Automation: Used in control systems and monitoring circuits.
- Medical Devices: Suitable for medical equipment requiring low power and high reliability.
- Aerospace and Defense: Used in various military and aerospace applications due to its robust specifications.
- Consumer Electronics: Found in various consumer electronic devices requiring low-power comparator functions.
Q & A
- What is the typical power consumption of the LP311DRG4?
The typical power consumption is 900 μW with a 5-V supply.
- What is the operating temperature range of the LP311DRG4?
The operating temperature range is from 0°C to 70°C.
- What is the output drive capability of the LP311DRG4?
The output can drive a 25-mA load.
- Can the LP311DRG4 operate with a single supply voltage?
- What is the response time of the LP311DRG4?
The response time is typically 1.2 μs.
- Does the LP311DRG4 have offset balancing and strobe capabilities?
- What is the common-mode input range of the LP311DRG4?
The common-mode input range is from -14.5 V to 13.5 V using ±15-V supply.
- What is the package type of the LP311DRG4?
The package type is SOIC-8.
- How should the strobe pin be used?
The strobe pin should be current-driven at 100 μA to 300 μA and should not be shorted to ground.
- Is the LP311DRG4 suitable for battery-powered applications?
