Overview
The LM258N is a low-power dual operational amplifier produced by STMicroelectronics. It is designed to operate from a single power supply and features internally frequency-compensated circuits, making it suitable for a wide range of applications. The LM258N is part of the LM158 series, which is known for its low power consumption and high performance in single supply operations.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | - | - | ±16 or 32 | V |
| Input Offset Voltage | 1 | 2 | 5 | mV |
| Input Bias Current | 20 | 50 | 150 | nA |
| Input Offset Current | 2 | 10 | 30 | nA |
| Large Signal Voltage Gain | 25 | 100 | - | V/mV |
| Bandwidth (Unity Gain) | - | 1.1 MHz | - | - |
| Supply Current (No Load) | 0.7 | 1.2 | - | mA |
| Operating Temperature Range | -25 | - | 85 | °C |
| Storage Temperature Range | -65 | - | 150 | °C |
Key Features
- Internally frequency-compensated for stable operation.
- Large DC voltage gain: 100 dB.
- Wide bandwidth (unity gain): 1.1 MHz (temperature compensated).
- Very low supply current per channel, essentially independent of supply voltage.
- Low input bias current: 20 nA (temperature compensated).
- Low input offset voltage: 2 mV.
- Low input offset current: 2 nA.
- Input common-mode voltage range includes negative rails.
- Differential input voltage range equal to the power supply voltage.
- Large output voltage swing, even with a single power supply voltage.
- Single and split supply operation: 3.0 V to 32 V.
- Short circuit protected outputs.
- True differential input stage.
Applications
The LM258N is versatile and can be used in various applications, including:
- Audio and video signal processing.
- Medical equipment and diagnostic devices.
- Industrial control systems and automation.
- Consumer electronics such as audio amplifiers and filters.
- Automotive systems requiring low power and high reliability.
Q & A
- What is the operating temperature range of the LM258N?
The operating temperature range of the LM258N is -25°C to 85°C.
- What is the maximum supply voltage for the LM258N?
The maximum supply voltage for the LM258N is ±16 V or 32 V.
- What is the typical input bias current of the LM258N?
The typical input bias current of the LM258N is 50 nA.
- Does the LM258N support single supply operation?
- What is the bandwidth (unity gain) of the LM258N?
The bandwidth (unity gain) of the LM258N is 1.1 MHz (temperature compensated).[
- Is the LM258N internally frequency-compensated?
- What is the input common-mode voltage range of the LM258N?
The input common-mode voltage range of the LM258N includes negative rails and extends to the power supply voltage.[
- Does the LM258N have short circuit protected outputs?
- What is the typical supply current of the LM258N?
The typical supply current of the LM258N is 1.2 mA (no load).[
- Is the LM258N RoHS compliant?
