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LM258ADGKR
Basic Information 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
- Package: VSSOP-8
- Essence: LM258ADGKR is a dual operational amplifier designed for general-purpose applications.
- Packaging/Quantity: Tape and Reel, 2500 units per reel
Specifications
- Supply Voltage Range: ±2.5V to ±18V
- Input Offset Voltage: 2mV (maximum)
- Input Bias Current: 20nA (maximum)
- Input Offset Current: 2nA (maximum)
- Gain Bandwidth Product: 1MHz (typical)
- Slew Rate: 0.6V/µs (typical)
- Common Mode Rejection Ratio: 70dB (typical)
- Operating Temperature Range: -40°C to +125°C
Detailed Pin Configuration
LM258ADGKR has a VSSOP-8 package with the following pin configuration:
___________
OUT1 | 1 8 | VCC+
OUT2 | 2 7 | IN-
IN+ | 3 6 | IN+
VCC-| 4 5 | GND
‾‾‾‾‾‾‾‾‾‾‾‾
Functional Features
- Dual operational amplifier in a single package
- Low power consumption makes it suitable for battery-powered applications
- Rail-to-rail output swing capability allows 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
Advantages and Disadvantages
Advantages: - Wide supply voltage range enables flexibility in various applications - Rail-to-rail output swing capability provides maximum dynamic range - Low power consumption prolongs battery life in portable devices - High input impedance minimizes signal degradation - Low input offset voltage ensures precise amplification
Disadvantages: - Limited gain bandwidth product may restrict high-frequency applications - Slew rate may be insufficient for fast signal amplification - Common mode rejection ratio could be improved for better noise rejection
Working Principles
LM258ADGKR is based on the operational amplifier (op-amp) circuit. It utilizes differential inputs to amplify the voltage difference between the input terminals. The amplified output is then fed to the output stage, which drives the load. The op-amp operates by maintaining a virtual ground at the inverting input terminal, resulting in amplification of the voltage applied to the non-inverting input.
Detailed Application Field Plans
LM258ADGKR can be used in various applications, including but not limited to: - Audio amplification - Signal conditioning - Active filters - Voltage regulators - Sensor interfaces - Instrumentation amplifiers
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to LM258ADGKR are: - LM358: Dual operational amplifier with similar specifications - TL072: Dual JFET-input operational amplifier with higher gain bandwidth product - MCP602: Dual operational amplifier with rail-to-rail input and output capabilities
These alternatives can be considered depending on specific application requirements and design constraints.
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Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LM258ADGKR trong giải pháp kỹ thuật
Sure! Here are 10 common questions and answers related to the application of LM258ADGKR in technical solutions:
Q: What is LM258ADGKR? A: LM258ADGKR is a dual operational amplifier (op-amp) that is commonly used in various electronic circuits.
Q: What is the voltage supply range for LM258ADGKR? A: The voltage supply range for LM258ADGKR is typically between 3V and 32V.
Q: What is the maximum output current of LM258ADGKR? A: The maximum output current of LM258ADGKR is around 40mA.
Q: Can LM258ADGKR be used in low-power applications? A: Yes, LM258ADGKR is suitable for low-power applications as it has a low quiescent current consumption.
Q: What is the input offset voltage of LM258ADGKR? A: The input offset voltage of LM258ADGKR is typically around 2mV.
Q: Is LM258ADGKR suitable for audio applications? A: Yes, LM258ADGKR can be used in audio applications such as audio amplifiers and equalizers.
Q: Can LM258ADGKR operate in a wide temperature range? A: Yes, LM258ADGKR is designed to operate in a wide temperature range, typically from -40°C to 125°C.
Q: Does LM258ADGKR have built-in protection features? A: No, LM258ADGKR does not have built-in protection features. External protection circuitry may be required.
Q: What is the gain bandwidth product of LM258ADGKR? A: The gain bandwidth product of LM258ADGKR is typically around 1 MHz.
Q: Can LM258ADGKR be used in single-supply applications? A: Yes, LM258ADGKR can be used in single-supply applications by properly biasing the inputs and outputs.
Please note that these answers are general and may vary depending on specific datasheet specifications and application requirements.