Overview
The LM311PW is a high-speed voltage comparator produced by Texas Instruments. It is part of the LM111, LM211, and LM311 family of single high-speed voltage comparators. These devices are designed to operate from a wide range of power-supply voltages, including ±15-V supplies for operational amplifiers and 5-V supplies for logic systems. The LM311PW is particularly noted for its fast response time, strobe capability, and low input bias current, making it suitable for various high-performance applications.
Key Specifications
| Parameter | Typical Value | Maximum Value | Unit |
|---|---|---|---|
| Response Time (Low-to-High Level Output) | 165 ns | - | ns |
| Maximum Input Bias Current | - | 300 nA | nA |
| Maximum Input Offset Current | - | 70 nA | nA |
| Operating Supply Voltage Range | - | ±15 V or 5 V | V |
| Output Voltage and Current Capability | - | Up to 50 V at 50 mA | V, mA |
| Temperature Range | - | 0°C to +70°C | °C |
| Package Type | - | TSSOP (8-pin) | - |
Key Features
- Fast response time of 165 ns
- Strobe capability for external control of the output state
- Low input bias current of 300 nA and low input offset current of 70 nA
- Operates from a single 5-V supply or ±15-V supplies
- Output levels compatible with TTL, MOS, and other logic circuits
- Capable of driving lamps or relays, switching voltages up to 50 V at 50 mA
- All inputs and outputs can be isolated from system ground
- Offset balancing and wire-OR output connection capabilities
Applications
- Desktop PCs
- Body Control Modules
- White Goods
- Building Automation
- Oscillators
- Peak Detectors
- Level shifting in high-voltage applications
- Zero-crossing detectors
Q & A
- What is the typical response time of the LM311PW?
The typical response time of the LM311PW is 165 ns.
- What is the maximum input bias current of the LM311PW?
The maximum input bias current is 300 nA.
- Can the LM311PW operate from a single 5-V supply?
- What is the temperature range of the LM311PW?
The temperature range of the LM311PW is 0°C to +70°C.
- What types of loads can the output of the LM311PW drive?
The output can drive loads referenced to ground, VCC+, or VCC−, and can switch voltages up to 50 V at 50 mA.
- Does the LM311PW have strobe capability?
- Can the inputs and outputs of the LM311PW be isolated from system ground?
- What are some common applications of the LM311PW?
- What package types are available for the LM311PW?
The LM311PW is available in an 8-pin TSSOP package.
- Is the LM311PW compatible with TTL and MOS circuits?
