LM311DE4

Product Overview

• Category: Integrated Circuit
• Use: Voltage Comparator
• Characteristics: High-speed, Low-power, Wide supply voltage range
• Package: DIP (Dual In-line Package)
• Essence: The LM311DE4 is a voltage comparator integrated circuit that compares two input voltages and provides an output based on the comparison result.
• Packaging/Quantity: Available in tubes of 25 units.

Specifications

• Supply Voltage Range: 2V to 36V
• Input Offset Voltage: 2mV (maximum)
• Input Bias Current: 150nA (maximum)
• Response Time: 165ns (typical)
• Output Sink Current: 8mA (minimum)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LM311DE4 has eight pins arranged as follows:

1. Non-Inverting Input (+IN)
2. Inverting Input (-IN)
3. VCC (Positive Supply Voltage)
4. Ground (GND)
5. Output (OUT)
6. NC (No Connection)
7. NC (No Connection)
8. NC (No Connection)

Functional Features

• High-speed voltage comparison
• Low power consumption
• Wide supply voltage range allows for versatile applications
• Open-collector output for easy interfacing with other circuits
• Built-in hysteresis for improved noise immunity

Advantages and Disadvantages

Advantages

• Fast response time enables real-time applications
• Low power consumption makes it suitable for battery-powered devices
• Wide supply voltage range increases flexibility in various systems
• Hysteresis improves stability in noisy environments

Disadvantages

• Limited output current capability
• Single comparator, not suitable for applications requiring multiple comparisons

Working Principles

The LM311DE4 compares the voltages applied to its non-inverting and inverting inputs. When the voltage at the non-inverting input is higher than the inverting input, the output goes low. Conversely, when the inverting input voltage is higher, the output goes high. The comparator's open-collector output allows for easy connection to other circuits.

Detailed Application Field Plans

The LM311DE4 finds applications in various fields, including:

1. Voltage level detection in power supply circuits
2. Motor control systems
3. Signal conditioning circuits
4. Threshold detection in sensor interfaces
5. Pulse-width modulation (PWM) circuits

Detailed and Complete Alternative Models

Some alternative models to the LM311DE4 include:

• LM339
• LM393
• LM324
• LM358

These alternatives offer similar functionality and can be used as replacements depending on specific requirements.

In conclusion, the LM311DE4 is a versatile voltage comparator integrated circuit with high-speed operation, low power consumption, and a wide supply voltage range. Its compact DIP package and functional features make it suitable for various applications in different fields.