Overview
The LM258DGKR is a dual operational amplifier (op-amp) produced by Texas Instruments. It is part of the LM258 series, which includes high-voltage op-amps designed for cost-sensitive applications. These devices are known for their robust performance and versatility, making them suitable for a wide range of industrial and commercial uses. The LM258DGKR operates over a temperature range of -25°C to 85°C and is packaged in an 8-pin VSSOP (DGK) package, enhancing its suitability for compact and rugged applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | 8-pin VSSOP (DGK) |
| Operating Temperature Range | -25°C to 85°C |
| Supply Voltage Range | 3V to 36V (B, BA versions) |
| Quiescent Current per Channel | 300µA (typical) |
| Unity-Gain Bandwidth | 1.2MHz (B, BA versions) |
| Input Offset Voltage | 2mV (BA version), 3mV (A, B versions) at 25°C |
| Common-Mode Input Voltage Range | Includes ground |
| ESD Protection | 2kV (HBM) |
| RF and EMI Filter | Internal (B, BA versions) |
Key Features
- Wide Supply Range: Operates from 3V to 36V, making it versatile for various applications.
- Low Quiescent Current: 300µA per channel, which is beneficial for power-sensitive designs.
- High Unity-Gain Bandwidth: 1.2MHz, ensuring good frequency response.
- Common-Mode Input Range: Includes ground, allowing for direct sensing near ground.
- Low Input Offset Voltage: 2mV for BA version and 3mV for A and B versions at 25°C.
- Internal RF and EMI Filter: Enhances noise immunity and reduces electromagnetic interference.
- High ESD Protection: 2kV HBM, making the device robust against electrostatic discharge.
Applications
The LM258DGKR is suitable for a variety of applications due to its robust features and wide operating range. Some common applications include:
- Industrial Control Systems: For sensing and amplifying signals in industrial environments.
- Automotive Systems: For use in vehicle electronics where robustness and reliability are crucial.
- Medical Devices: For amplifying low-level signals in medical equipment.
- Consumer Electronics: For audio and signal processing in consumer devices.
- Environmental Monitoring: For sensing and amplifying signals in environmental monitoring systems.
Q & A
- What is the operating temperature range of the LM258DGKR?
The operating temperature range of the LM258DGKR is -25°C to 85°C.
- What is the supply voltage range for the LM258DGKR?
The supply voltage range for the LM258DGKR is 3V to 36V.
- What is the quiescent current per channel for the LM258DGKR?
The quiescent current per channel for the LM258DGKR is typically 300µA.
- What is the unity-gain bandwidth of the LM258DGKR?
The unity-gain bandwidth of the LM258DGKR is 1.2MHz.
- Does the LM258DGKR have internal RF and EMI filters?
Yes, the LM258DGKR has internal RF and EMI filters.
- What is the input offset voltage of the LM258DGKR?
The input offset voltage of the LM258DGKR is 2mV for the BA version and 3mV for the A and B versions at 25°C.
- What is the ESD protection rating of the LM258DGKR?
The ESD protection rating of the LM258DGKR is 2kV HBM.
- In what package is the LM258DGKR available?
The LM258DGKR is available in an 8-pin VSSOP (DGK) package.
- Is the LM258DGKR RoHS compliant?
Yes, the LM258DGKR is RoHS compliant.
- What are some common applications for the LM258DGKR?
The LM258DGKR is commonly used in industrial control systems, automotive systems, medical devices, consumer electronics, and environmental monitoring systems.
