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Product Details
LM258DT In Stock STMicroelectronics Dual Operational Amplifier Authorized ST Electronic Components Suppliers
LM258DT STMicroelectronics Suppliers
GENERAL DESCRIPTIONS
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GENERAL DESCRIPTIONS
The LM258DT is a low-power, internally frequency-compensated dual operational amplifier designed by STMicroelectronics. It is specifically engineered to operate from a single power supply over a wide range of voltages. Here are the key features and specifications of the LM258DT:
Key Features
- Low Power Consumption: The LM258DT has a low quiescent current of 700 μA, making it suitable for battery-powered and low-power applications.
- Wide Operating Voltage Range: It can operate from a single supply voltage ranging from 3V to 30V, or from dual supplies of ±1.5V to ±15V.
- High Input Impedance: The input bias current is as low as 20 nA, which helps in maintaining high input impedance and minimizing input loading effects.
- Low Input Offset Voltage: The input offset voltage is 5 mV, ensuring high precision in signal processing.
- High Gain and Bandwidth: It offers a high open-loop gain of 100 dB and a gain-bandwidth product of 1.1 MHz, making it suitable for a wide range of applications.
- Rail-to-Rail Output Swing: The output voltage can swing to ground, which is beneficial for driving various loads.
- Temperature Range: The operating temperature range is from -40°C to +105°C, making it suitable for industrial and automotive applications.
Applications
- Signal Conditioning: The LM258DT is commonly used in signal amplification, filtering, and mixing circuits due to its high input impedance and low output impedance.
- Automatic Control Systems: It can be used as a comparator to quickly respond to changes in input signals and provide control signals for system stability.
- Audio Equipment: It is suitable for audio amplifiers and filters, providing clear and stable audio signals in devices like speakers and radios.
- Sensor Interface Circuits: It amplifies and filters sensor output signals, enabling accurate data acquisition and processing by microcontrollers or other processors.
- Industrial Control and Instrumentation: It is used in analog signal processing circuits for measuring temperature, pressure, and other process parameters.
Package and Dimensions
- Package Type: SOIC-8
- Dimensions: 4.90 mm x 3.90 mm x 1.75 mm
- Pin Count: 8 pins
- Installation Type: Surface Mount
Detailed Specifications
- Input Offset Voltage (Vos): 5 mV
- Input Bias Current (Ib): 20 nA
- Gain-Bandwidth Product (GBP): 1.1 MHz
- Slew Rate (SR): 0.6 V/μs
- Common Mode Rejection Ratio (CMRR): 85 dB
- Output Current: 40 mA
- Storage Temperature: -65°C to +150°C
The LM258DT is a versatile and reliable choice for a wide range of electronic applications, offering a balance of performance and low power consumption.
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