Overview
The LM358AST is a low-power dual operational amplifier produced by STMicroelectronics. This component is part of the LM158, LM258, and LM358 family, known for their high performance and versatility in various electronic circuits. The LM358AST is particularly suited for applications requiring low power consumption and high reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | ±16 or 32 | V |
| Input Voltage (Vi) | -0.3 to 32 | V |
| Differential Input Voltage (Vid) | ±32 | V |
| Operating Free-Air Temperature Range (Toper) | 0 to 70 | °C |
| Storage Temperature Range (Tstg) | -65 to 150 | °C |
| Maximum Junction Temperature (Tj) | 150 | °C |
| Thermal Resistance Junction to Ambient (Rthja) | 125 | °C/W |
| Input Bias Current (Iib) | 20 to 50 | nA |
| Input Offset Voltage (Vio) | 2 | mV |
| Input Offset Current (Iio) | 2 to 10 | nA |
| Large Signal Voltage Gain (Avd) | 50 to 100 | V/mV |
| Supply Voltage Rejection Ratio (SVR) | 65 to 100 | dB |
| Supply Current (ICC) | 0.7 to 1.2 | mA |
Key Features
- Frequency compensation implemented internally.
- 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.
Applications
The LM358AST is versatile and can be used in a variety of applications, including:
- Audio and video circuits.
- Instrumentation and measurement equipment.
- Power supplies and voltage regulators.
- Active filters and integrators.
- General-purpose amplification in industrial and consumer electronics.
Q & A
- What is the supply voltage range for the LM358AST?
The supply voltage range for the LM358AST is ±16 or 32 V.
- What is the operating temperature range for the LM358AST?
The operating temperature range is 0 to 70°C.
- What is the input bias current of the LM358AST?
The input bias current is 20 to 50 nA.
- What is the large signal voltage gain of the LM358AST?
The large signal voltage gain is 50 to 100 V/mV.
- Is the LM358AST suitable for high-frequency applications?
Yes, it has a wide bandwidth of 1.1 MHz (unity gain), making it suitable for high-frequency applications.
- What is the thermal resistance junction to ambient for the LM358AST?
The thermal resistance junction to ambient is 125 °C/W.
- Can the LM358AST be used in audio circuits?
Yes, it is commonly used in audio and video circuits due to its low noise and high gain characteristics.
- What is the maximum junction temperature for the LM358AST?
The maximum junction temperature is 150°C.
- Is the LM358AST suitable for industrial applications?
Yes, it is widely used in industrial and consumer electronics due to its robust specifications and reliability.
- What is the storage temperature range for the LM358AST?
The storage temperature range is -65 to 150°C.
