Overview
The LM311PG4, produced by Texas Instruments, is a high-speed voltage comparator that belongs to the LM311 series. This device is designed to operate over a wide range of power supply voltages, from a single 5-V supply to ±15-V supplies, making it versatile for various applications. The LM311 is known for its low input currents, fast response time, and compatibility with most TTL and MOS circuits. It features offset balancing and strobe capabilities, and its output can drive loads referenced to ground, the positive supply, or the negative supply.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage | 0.7 | 3.0 | 4.0 | mV |
| Input Offset Current | 4.0 | 10 | 20 | nA |
| Input Bias Current | 60 | 100 | 150 | nA |
| Voltage Gain | 40 | 200 | V/mV | |
| Response Time | 200 | ns | ||
| Saturation Voltage | 0.75 | 1.5 | V | |
| Output Current | 50 | mA | ||
| Supply Voltage | 5 | ±15 | V | |
| Operating Temperature Range | 0 | 70 | °C |
Key Features
- Fast response time of 200 ns
- Low input bias current of up to 150 nA
- Low input offset current of up to 20 nA
- Strobe capability for external control
- Offset balancing for precision adjustments
- Output compatible with TTL, DTL, and MOS circuits
- Can drive loads referenced to ground, VCC+, or VCC-
- Capable of switching voltages up to 50 V at 50 mA
Applications
- Desktop PCs
- Body Control Modules
- White Goods
- Building Automation
- Oscillators
- Peak Detectors
- Level shifting in various voltage systems
Q & A
- What is the typical response time of the LM311PG4?
The typical response time is 200 ns. - What is the maximum input bias current of the LM311PG4?
The maximum input bias current is 150 nA. - Can the LM311PG4 operate from a single 5-V supply?
Yes, it can operate from a single 5-V supply as well as ±15-V supplies. - What is the maximum output current of the LM311PG4?
The maximum output current is 50 mA. - Is the LM311PG4 compatible with TTL and MOS circuits?
Yes, it is compatible with TTL, DTL, and MOS circuits. - What is the operating temperature range of the LM311PG4?
The operating temperature range is 0°C to 70°C. - Does the LM311PG4 have strobe capability?
Yes, it has strobe capability for external control. - Can the outputs of the LM311PG4 be wire-OR connected?
Yes, the outputs can be wire-OR connected. - What is the maximum differential input voltage range for the LM311PG4?
The maximum differential input voltage range is ±30 V. - Is the LM311PG4 suitable for high-reliability applications?
Yes, it is available in configurations compliant with automotive and military standards.
