Overview
The LM258ADGKR is a dual-channel operational amplifier (op-amp) produced by Texas Instruments, designed for a wide range of general-purpose applications. It is part of the LM258 series, which is known for its cost-effectiveness and robust performance in various electronic circuits. The LM258ADGKR is particularly suitable for cost-sensitive applications, offering features such as low offset voltage, wide supply voltage range, and high common-mode input range. It is housed in a compact VSSOP-8 package, making it ideal for space-constrained designs. This op-amp is targeted at engineers and designers working in consumer electronics, industrial automation, and automotive systems, where reliable amplification and signal conditioning are essential.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3V to 30V | V | |
| Input Offset Voltage (Vos) | 2 | mV | |
| Input Bias Current (Ib) | 15 | nA | |
| Quiescent Current | 1 | mA | |
| Gain Bandwidth Product (GBP) | 700 | kHz | |
| Slew Rate | 300 | mV/µs | |
| Common Mode Rejection Ratio (CMRR) | 80 | dB | |
| Operating Temperature | -25°C to 85°C | °C | |
| Package | VSSOP-8 | 3.00 x 3.00 mm | |
| Pin Count | 8 |
Key Features
- Wide supply voltage range (3V to 30V) for versatile applications.
- Low input offset voltage (2mV) ensures accurate signal processing.
- Low input bias current (15nA) minimizes loading effects.
- High common-mode input range includes ground, enabling direct sensing near ground.
- Compact VSSOP-8 package for space-constrained designs.
- Internal RF and EMI filters enhance performance in noisy environments.
Applications
The LM258ADGKR is widely used in various fields due to its robust performance and versatility. In consumer electronics, it is employed in audio amplifiers, signal conditioning circuits, and sensor interfaces. In industrial automation, it is utilized in control systems, motor drivers, and instrumentation amplifiers. The automotive industry benefits from its use in battery management systems, lighting controls, and signal processing modules. Its ability to operate in harsh environments makes it suitable for applications requiring reliability and precision.
Q & A
1. What is the supply voltage range of the LM258ADGKR?
The LM258ADGKR operates with a supply voltage range of 3V to 30V.
2. What is the input offset voltage of this op-amp?
The input offset voltage is 2mV.
3. Can the LM258ADGKR be used in single-supply applications?
Yes, it is designed to work with both single and dual supply configurations.
4. What is the typical quiescent current of the LM258ADGKR?
The typical quiescent current is 1mA.
5. What is the gain bandwidth product (GBP) of this op-amp?
The gain bandwidth product is 700kHz.
6. Is the LM258ADGKR suitable for high-frequency applications?
While it has a GBP of 700kHz, it is more suited for low to moderate frequency applications.
7. What is the operating temperature range of the LM258ADGKR?
It operates within a temperature range of -25°C to 85°C.
8. Does the LM258ADGKR include internal EMI filters?
Yes, it features internal RF and EMI filters for improved performance in noisy environments.
9. What is the package type of the LM258ADGKR?
It is available in a VSSOP-8 package.
10. Is the LM258ADGKR RoHS compliant?
Yes, it is RoHS compliant, ensuring it meets environmental standards.
