Overview
The LM258DMR2G, produced by onsemi, is a dual operational amplifier designed for general-purpose applications. This component utilizes circuit designs perfected for quad operational amplifiers, offering low power drain and the ability to operate on single or split supply voltages. The LM258 series is known for its versatility, with supply voltages ranging from 3.0 V to 32 V, making it suitable for a wide range of electronic systems. The amplifiers feature a common mode input voltage range that extends to the negative supply, eliminating the need for external biasing components in many applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | |
| No of Channels | 2 | |
| Slew Rate-Nom | 0.6 | V/µs |
| Input Offset Voltage-Max | 5 | mV |
| Gain Bandwidth Product | 1 | MHz |
| Average Bias Current-Max | -150 | nA |
| Supply Voltage | 3 to 32 | V |
| Common Mode Rejection Ratio | 85 | dB |
| Supply Current | 1.5 | mA |
| Power Supply Rejection Ratio | 100 | dB |
| Operating Temp Range | -25 to +85 | °C |
| DC Voltage Gain | 100 | dB |
| Output Current | 40 | mA |
| Moisture Sensitivity Level | 1 | |
| Package Style | MICRO-8 | |
| Mounting Method | Surface Mount |
Key Features
- Short Circuited Protected Outputs: The LM258DMR2G has outputs that are protected against short circuits, enhancing reliability and durability.
- True Differential Input Stage: This feature ensures accurate and stable input signal processing.
- Single Supply Operation: The amplifier can operate on a single supply voltage ranging from 3.0 V to 32 V, making it versatile for various applications.
- Low Input Bias Currents: With maximum input bias currents of 100 nA, this amplifier minimizes the impact on the input signal.
- Internally Compensated: The amplifier is internally compensated, simplifying circuit design and ensuring stable operation.
- Common Mode Range Extends to Negative Supply: This feature eliminates the need for external biasing components in many applications.
- Industry Standard Pinouts: The LM258DMR2G follows industry-standard pinouts, making it compatible with a wide range of existing designs.
- ESD Clamps on the Inputs: The amplifier includes ESD clamps on the inputs, increasing ruggedness without affecting device operation.
- Pb-Free Packages Available: The component is available in lead-free packages, complying with environmental regulations.
Applications
The LM258DMR2G is suitable for a variety of applications due to its versatility and robust features. Some common applications include:
- Audio and Video Equipment: The amplifier's low noise and high gain make it ideal for audio and video signal processing.
- Industrial Control Systems: Its ability to operate over a wide range of supply voltages and its robust input protection make it suitable for industrial control systems.
- Medical Devices: The LM258DMR2G can be used in medical devices where low power consumption and high reliability are critical.
- Automotive Systems: The component's ability to operate over a wide temperature range and its ruggedness make it suitable for automotive applications.
- Consumer Electronics: It is used in various consumer electronics where single supply operation and low power consumption are required.
Q & A
- What is the supply voltage range for the LM258DMR2G?
The LM258DMR2G can operate on supply voltages ranging from 3.0 V to 32 V.
- How many channels does the LM258DMR2G have?
The LM258DMR2G is a dual operational amplifier, meaning it has two channels.
- What is the slew rate of the LM258DMR2G?
The slew rate of the LM258DMR2G is 0.6 V/µs.
- What is the maximum input offset voltage for the LM258DMR2G?
The maximum input offset voltage for the LM258DMR2G is 5 mV.
- What is the common mode rejection ratio (CMRR) of the LM258DMR2G?
The CMRR of the LM258DMR2G is 85 dB.
- What is the maximum output current of the LM258DMR2G?
The maximum output current of the LM258DMR2G is 40 mA.
- What is the operating temperature range for the LM258DMR2G?
The operating temperature range for the LM258DMR2G is -25°C to +85°C.
- Is the LM258DMR2G Pb-free?
- What is the package style of the LM258DMR2G?
The package style of the LM258DMR2G is MICRO-8.
- What is the mounting method for the LM258DMR2G?
The mounting method for the LM258DMR2G is Surface Mount.
