Overview
The LM311DG4 is a high-performance voltage comparator manufactured by Texas Instruments. Designed for precision and speed, this component is widely used in applications requiring fast response times and reliable signal comparison. The LM311DG4 is part of the LMx11 series, known for its versatility and robust performance in both single and dual power supply configurations. Its open-collector output allows for flexible interfacing with various logic families, making it suitable for a broad range of industrial, automotive, and consumer electronics applications.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Response Time | 115 | ns | |
| Input Offset Voltage | 10000 | µV | Max |
| Supply Voltage | ±15 | V | Nominal |
| Operating Temperature | 0 to 70 | °C | |
| Package | SOIC-8 | ||
| Output Type | Open Collector | ||
| Input Bias Current | 0.3 | µA | Max |
| Dimensions | 3.9 x 4.9 x 1.75 | mm | Width x Length x Height |
Key Features
- High-speed response time of 115 ns for rapid signal comparison.
- Open-collector output for flexible interfacing with various logic families.
- Wide operating voltage range of ±15 V, suitable for diverse applications.
- Low input bias current of 0.3 µA, ensuring minimal loading on signal sources.
- Compact SOIC-8 package for space-constrained designs.
Applications
The LM311DG4 is ideal for applications requiring precise voltage comparison, such as level detection, waveform shaping, and pulse generation. Its high-speed performance makes it suitable for use in timing circuits, communication systems, and industrial automation. Additionally, its robust design and wide operating temperature range make it a reliable choice for automotive electronics, where durability and performance are critical.
Q & A
1. What is the response time of the LM311DG4?
The response time is 115 ns, making it suitable for high-speed applications.
2. What is the input offset voltage of the LM311DG4?
The maximum input offset voltage is 10,000 µV.
3. What is the operating temperature range of the LM311DG4?
It operates within a temperature range of 0 to 70 °C.
4. What type of output does the LM311DG4 have?
It features an open-collector output for flexible interfacing.
5. What is the supply voltage range for the LM311DG4?
The nominal supply voltage is ±15 V.
6. What is the package type of the LM311DG4?
It comes in an SOIC-8 package.
7. What is the input bias current of the LM311DG4?
The maximum input bias current is 0.3 µA.
8. Can the LM311DG4 be used in automotive applications?
Yes, its robust design and wide operating temperature range make it suitable for automotive electronics.
9. What are the dimensions of the LM311DG4?
The dimensions are 3.9 mm (width) x 4.9 mm (length) x 1.75 mm (height).
10. Is the LM311DG4 compatible with TTL logic?
Yes, its open-collector output allows for compatibility with TTL, DTL, RTL, and MOS logic families.
