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LM158QT
Product Overview
Category: Integrated Circuit (IC)
Use: Operational Amplifier
Characteristics: - Low power consumption - Wide supply voltage range - Rail-to-rail output swing capability - High input impedance - Low input offset voltage - Low input bias current
Package: SOT-23-5
Essence: The LM158QT is a dual operational amplifier that offers low power consumption and high performance. It is designed for general-purpose applications where low input offset voltage, low input bias current, and wide supply voltage range are required.
Packaging/Quantity: The LM158QT is available in a SOT-23-5 package. Each package contains one LM158QT IC.
Specifications
- Supply Voltage Range: ±2V to ±18V
- Input Offset Voltage: 2mV (maximum)
- Input Bias Current: 20nA (maximum)
- Input Common Mode Voltage Range: -0.3V to Vcc+0.3V
- Output Voltage Swing: Rail-to-Rail
- Gain Bandwidth Product: 1MHz (typical)
- Slew Rate: 0.6V/µs (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
The LM158QT has five pins arranged as follows:
___________
OUT1 | | Vcc+
OUT2 | | IN-
IN- | | IN+
Vcc-| | GND
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Functional Features
- Low power consumption makes it suitable for battery-powered applications.
- Wide supply voltage range allows operation from various power sources.
- Rail-to-rail output swing capability enables maximum utilization of the supply voltage range.
- High input impedance minimizes loading effects on the signal source.
- Low input offset voltage ensures accurate amplification of small signals.
- Low input bias current reduces the impact of input current on the circuit performance.
Advantages and Disadvantages
Advantages: - Low power consumption - Wide supply voltage range - Rail-to-rail output swing capability - High input impedance - Low input offset voltage - Low input bias current
Disadvantages: - Limited gain bandwidth product compared to specialized operational amplifiers - SOT-23-5 package may not be suitable for all applications requiring higher pin count or different package types
Working Principles
The LM158QT is based on a differential amplifier configuration that amplifies the voltage difference between its two input terminals. It utilizes internal transistors and resistors to achieve the desired amplification characteristics. The output voltage is determined by the input voltage, gain, and feedback network.
Detailed Application Field Plans
The LM158QT can be used in various applications, including but not limited to: - Audio amplification - Signal conditioning - Sensor interfaces - Active filters - Voltage regulators - Oscillators - Comparators
Detailed and Complete Alternative Models
Some alternative models to the LM158QT include: - LM358 - LM324 - TL072 - MCP6002 - AD822
These alternatives offer similar functionality and can be used as replacements depending on specific requirements and availability.
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Énumérez 10 questions et réponses courantes liées à l'application de LM158QT dans les solutions techniques
Sure! Here are 10 common questions and answers related to the application of LM158QT in technical solutions:
1. What is LM158QT? LM158QT is a dual operational amplifier (op-amp) that is commonly used in various electronic circuits.
2. What is the supply voltage range for LM158QT? The supply voltage range for LM158QT is typically between 3V and 32V.
3. What is the input voltage range for LM158QT? The input voltage range for LM158QT is typically between the negative supply voltage (V-) and the positive supply voltage (V+).
4. What is the output voltage swing of LM158QT? The output voltage swing of LM158QT is typically within a few millivolts of the supply voltages.
5. Can LM158QT be used as a comparator? Yes, LM158QT can be used as a comparator by using one of the op-amp inputs as a reference voltage and comparing it with the other input.
6. What is the maximum output current of LM158QT? The maximum output current of LM158QT is typically around 20mA.
7. Is LM158QT suitable for low-power applications? Yes, LM158QT is suitable for low-power applications as it has a low quiescent current consumption.
8. Can LM158QT operate in single-supply configurations? Yes, LM158QT can operate in single-supply configurations by connecting the negative supply pin (V-) to ground or a reference voltage.
9. What is the typical gain bandwidth product of LM158QT? The typical gain bandwidth product of LM158QT is around 1 MHz.
10. Can LM158QT be used in audio applications? Yes, LM158QT can be used in audio applications such as audio amplifiers, equalizers, and audio mixers.
Please note that the answers provided here are general and may vary depending on specific datasheet specifications and application requirements.