Overview
The LM311PWRG4 is a high-speed voltage comparator produced by Texas Instruments. It is part of the LMx11 series, which includes the LM111, LM211, and LM311 models. This device is designed to operate over a wide range of power supply voltages, from standard ±15V op-amp supplies down to a single 5-V supply used for IC logic. The LM311PWRG4 is particularly suited for applications requiring high reliability and compatibility with various logic circuits, including TTL, MOS, and others.
The LM311PWRG4 features a temperature range of 0°C to +70°C, making it suitable for a variety of environments. It is known for its low input bias current, high gain stage, and the ability to drive loads referenced to ground, VCC+, or VCC−. The device also includes offset balancing and strobe capabilities, enhancing its versatility in different applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Maximum Input Bias Current | 300 | nA |
| Maximum Input Offset Current | 70 | nA |
| Operating Temperature Range | 0 to 70 | °C |
| Supply Voltage Range | ±15 V, single 5 V | V |
| Output Voltage Capability | Up to 50 V | V |
| Output Current Capability | Up to 50 mA | mA |
| Package Type | TSSOP (8 pins) | |
| Package Size | 3.00 mm × 4.40 mm | mm |
Key Features
- High-speed voltage comparator with low input bias current.
- Operates from a wide range of power supply voltages, including ±15V and single 5V supplies.
- Output compatible with TTL, MOS, and other logic circuits.
- Capable of driving lamps or relays, switching voltages up to 50 V at 50 mA.
- Inputs and outputs can be isolated from system ground.
- Offset balancing and strobe capabilities available.
- Outputs can be wire-OR connected.
- High gain stage for fast response to input voltage differences.
- Open collector NPN output stage with isolated emitter from VCC−.
Applications
- Desktop PCs
- Body Control Modules
- White Goods
- Building Automation
- Oscillators
- Peak Detectors
- Level shifting to higher or lower voltage levels.
- Zero-crossing detectors.
Q & A
- What is the operating temperature range of the LM311PWRG4?
The operating temperature range of the LM311PWRG4 is 0°C to +70°C.
- What is the maximum input bias current of the LM311PWRG4?
The maximum input bias current is 300 nA.
- Can the LM311PWRG4 operate from a single 5-V supply?
- What is the output voltage capability of the LM311PWRG4?
The LM311PWRG4 can switch voltages up to 50 V.
- What is the maximum output current of the LM311PWRG4?
The maximum output current is up to 50 mA.
- Does the LM311PWRG4 have strobe capability?
- Can the inputs and outputs of the LM311PWRG4 be isolated from system ground?
- What types of logic circuits is the LM311PWRG4 compatible with?
The LM311PWRG4 is compatible with TTL, MOS, and other logic circuits.
- What is the package type and size of the LM311PWRG4?
The LM311PWRG4 comes in a TSSOP package with dimensions of 3.00 mm × 4.40 mm.
- What are some common applications of the LM311PWRG4?
