Overview
The LM358QT, produced by STMicroelectronics, is a low-power dual operational amplifier designed to operate from a single power supply over a wide range of voltages. This component is part of the LM358 series, which features two independent, high-gain, internally frequency-compensated op amps. The LM358QT is particularly suited for applications requiring low power consumption and high performance in single power supply systems.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| Input Offset Voltage | -2.0 to 7.0 | mV |
| Input Bias Current | 20 | nA |
| Unity-Gain Bandwidth | 1.1 | MHz |
| Supply Voltage Range | 3 to 36 | V |
| Quiescent Current per Channel | 300 | µA |
| Output Voltage Swing | 0 V to (VCC - 1.5 V) | V |
| Operating Temperature Range | 0 to 70 | °C |
| Package Type | QFN-8L P 0.5 mm |
Key Features
- Internally frequency-compensated op amps
- Large DC voltage gain: 100 dB
- Wide bandwidth (unity gain): 1.1 MHz
- Very low supply current per channel, essentially independent of supply voltage
- Low input bias current: 20 nA
- Low input offset voltage: 2 mV
- Input common-mode voltage range includes ground
- Differential input voltage range equal to the power supply voltage
- Large output voltage swing: 0 V to (VCC - 1.5 V)
Applications
The LM358QT is versatile and can be used in various applications, including:
- Transducer amplifiers
- DC gain blocks
- Conventional op amp circuits in single power supply systems
- Interface electronics in logic systems
- Merchant network and server power supply units
- Multi-function printers
Q & A
- What is the typical unity-gain bandwidth of the LM358QT?
The typical unity-gain bandwidth of the LM358QT is 1.1 MHz.
- What is the input offset voltage range for the LM358QT?
The input offset voltage range for the LM358QT is -2.0 to 7.0 mV.
- What is the operating temperature range for the LM358QT?
The operating temperature range for the LM358QT is 0 to 70°C.
- What is the package type of the LM358QT?
The LM358QT comes in a QFN-8L P 0.5 mm package.
- What is the supply voltage range for the LM358QT?
The supply voltage range for the LM358QT is 3 to 36 V.
- What are some common applications of the LM358QT?
The LM358QT is commonly used in transducer amplifiers, DC gain blocks, and conventional op amp circuits in single power supply systems, among others.
- How much quiescent current does the LM358QT consume per channel?
The LM358QT consumes approximately 300 µA of quiescent current per channel.
- What is the input bias current of the LM358QT?
The input bias current of the LM358QT is 20 nA.
- Can the LM358QT operate with a single power supply?
Yes, the LM358QT is designed to operate from a single power supply over a wide range of voltages.
- What is the output voltage swing of the LM358QT?
The output voltage swing of the LM358QT is from 0 V to (VCC - 1.5 V).
