Overview
The LM348DR2, produced by onsemi, is a quadruple operational amplifier designed for a wide range of applications. It is part of the LM348 series, known for its high gain, internal compensation, and versatility. This operational amplifier is suitable for various linear and logarithmic functions, making it a valuable component in amplifier circuits. The LM348DR2 is packaged in a 14-pin Small Outline (SO-14) plastic package, which is surface mountable, enhancing its usability in modern electronic designs.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Number of Functions | Number of operational amplifiers in the package | 4 |
| Package Type | Package description | SO-14 (Small Outline) |
| Input Offset Voltage-Max | Maximum input offset voltage | 7500 µV |
| Common-mode Reject Ratio-Min | Minimum common-mode rejection ratio | 70 dB |
| Slew Rate-Nom | Nominal slew rate | 0.5 V/us |
| Supply Voltage-Nom (Vsup) | Nominal supply voltage | ±15 V |
| Supply Current-Max | Maximum supply current | 4.5 mA |
| Operating Temperature-Max | Maximum operating temperature | 70 °C |
| Unity Gain BW-Nom | Nominal unity gain bandwidth | 1 MHz |
| Voltage Gain-Min | Minimum voltage gain | 25000 |
Key Features
- High Gain: The LM348DR2 offers high gain, making it suitable for a variety of amplification tasks.
- Internal Compensation: Internally compensated, which simplifies the design process and ensures stability.
- Quad Operational Amplifier: Contains four independent operational amplifiers in a single package, enhancing space efficiency and reducing component count.
- Wide Supply Voltage Range: Operates with supply voltages ranging from ±9 V to ±15 V, providing flexibility in different circuit designs.
- High Common-Mode Rejection Ratio (CMRR): Offers a minimum CMRR of 70 dB, ensuring good noise rejection and signal integrity.
- Surface Mountable: Packaged in a SO-14 plastic package, which is surface mountable, making it suitable for modern PCB designs.
Applications
The LM348DR2 is versatile and can be used in various applications, including:
- Education and Research: Ideal for educational projects and research due to its ease of use and high performance.
- Internet of Things (IoT): Suitable for IoT devices that require compact, high-performance amplifiers.
- Computing and Data Storage: Used in computing and data storage systems where reliable amplification is necessary.
- Aerospace and Defense: Can be used in aerospace and defense applications due to its reliability and performance.
- Healthcare: Applied in medical devices where precise signal amplification is critical.
- Telecommunications: Used in telecommunications equipment for signal amplification and processing.
- Automotive: Suitable for automotive systems that require robust and reliable operational amplifiers.
Q & A
- What is the LM348DR2?
The LM348DR2 is a quadruple operational amplifier produced by onsemi, designed for high-gain amplification tasks.
- What is the package type of the LM348DR2?
The LM348DR2 is packaged in a 14-pin Small Outline (SO-14) plastic package.
- What is the maximum input offset voltage of the LM348DR2?
The maximum input offset voltage is 7500 µV.
- What is the nominal supply voltage for the LM348DR2?
The nominal supply voltage is ±15 V.
- What is the maximum operating temperature of the LM348DR2?
The maximum operating temperature is 70 °C.
- What is the unity gain bandwidth of the LM348DR2?
The nominal unity gain bandwidth is 1 MHz.
- Is the LM348DR2 surface mountable?
Yes, the LM348DR2 is surface mountable.
- What are some common applications of the LM348DR2?
It is used in education, research, IoT, computing, aerospace, healthcare, telecommunications, and automotive applications.
- What is the common-mode rejection ratio (CMRR) of the LM348DR2?
The minimum CMRR is 70 dB.
- How many operational amplifiers are in the LM348DR2 package?
There are four independent operational amplifiers in the package.
