Overview
The LM258AN is a low-power dual operational amplifier produced by STMicroelectronics. Designed for a wide range of applications, this component is particularly suitable for cost-sensitive projects requiring efficient performance. Its market positioning targets industries such as industrial automation, consumer electronics, and automotive systems. The LM258AN stands out for its low power consumption, wide operating voltage range, and robust performance in single-supply configurations.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage (DC) | 3 to 30 | V | Single supply |
| Operating Voltage | 3 to 32 | V | Dual supply |
| Supply Current | 700 | µA | Typical |
| Number of Circuits | 2 | - | Dual op-amp |
| Number of Channels | 2 | - | Dual channel |
| Pin Count | 8 | - | DIP-8 package |
| Common Mode Rejection Ratio (CMRR) | 70 | dB | Typical |
| Bandwidth | 1.1 | MHz | Typical |
| Slew Rate | 0.6 | V/µs | Typical |
| Gain Bandwidth Product | 1.1 | MHz | Typical |
Key Features
- Low power consumption, making it ideal for battery-operated devices.
- Wide operating voltage range (3V to 30V), suitable for various applications.
- Dual operational amplifier configuration for versatile circuit designs.
- High common-mode rejection ratio (CMRR) for improved noise immunity.
- Internally frequency compensated for stable operation.
Applications
The LM258AN is widely used in sensor amplifiers, DC gain blocks, and traditional operational amplifier circuits. Its ability to operate in single-supply systems makes it particularly useful in digital systems where a standard 5V power supply is available. Common applications include industrial control systems, consumer electronics, and automotive electronics, where its low power consumption and robust performance are highly valued.
Q & A
1. What is the operating voltage range of the LM258AN?
The LM258AN operates within a voltage range of 3V to 30V in single-supply configurations and 3V to 32V in dual-supply configurations.
2. What is the typical supply current of the LM258AN?
The typical supply current is 700 µA.
3. How many operational amplifiers are in the LM258AN?
The LM258AN contains two operational amplifiers in a single package.
4. What is the bandwidth of the LM258AN?
The bandwidth is typically 1.1 MHz.
5. Can the LM258AN be used in single-supply systems?
Yes, the LM258AN is designed to operate efficiently in single-supply systems.
6. What is the slew rate of the LM258AN?
The slew rate is typically 0.6 V/µs.
7. What is the common-mode rejection ratio (CMRR) of the LM258AN?
The CMRR is typically 70 dB.
8. What package does the LM258AN come in?
The LM258AN is available in an 8-pin DIP package.
9. Is the LM258AN suitable for battery-operated devices?
Yes, its low power consumption makes it ideal for battery-operated devices.
10. What are some typical applications of the LM258AN?
Typical applications include sensor amplifiers, DC gain blocks, and various operational amplifier circuits in industrial, consumer, and automotive electronics.
