Overview
The LM348NSRG4 is a quad operational amplifier IC produced by Texas Instruments. It is designed to offer high-gain, internally compensated operational amplifiers with characteristics similar to the µA741. These amplifiers are known for their low supply-current drain and low input bias and offset currents, making them suitable for a wide range of applications. The LM348NSRG4 is part of the LM348 series, which is interchangeable with industry-standard LM148 and LM248 devices.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value |
|---|---|---|---|
| Number of Channels | 4 | - | - |
| Supply Current per Channel | 0.6 mA | - | 1.125 mA |
| Input Bias Current | 400 nA | 325 nA | 500 nA |
| Input Offset Voltage | 7.5 mV | 6.0 mV | 7.5 mV |
| Input Offset Current | 100 nA | 75 nA | 125 nA |
| Slew Rate | 0.5 V/μs | - | - |
| Gain Bandwidth Product | 1 MHz | - | - |
| Output Current per Channel | 25 mA | - | - |
| Operating Temperature Range | 0°C to 70°C | - | - |
| Total Supply Voltage Range | 8 V to 36 V | 8 V | 36 V |
| Package Type | 14-SOIC | - | - |
Key Features
- High-Gain Operational Amplifiers: The LM348NSRG4 features four independent, high-gain operational amplifiers.
- Low Supply-Current Drain: Each amplifier has a typical supply current of 0.6 mA, making it power-efficient.
- Low Input Offset Voltage and Current: The device exhibits low input offset voltage and current, enhancing its precision.
- Class AB Output Stage: This stage ensures no crossover distortion, improving the overall performance.
- Input/Output Overload Protection: Built-in protection against input and output overloads adds to the device's reliability.
- Interchangeability: The LM348NSRG4 is designed to be interchangeable with industry-standard LM148 and LM248 devices.
- RoHS Compliance: The device is ROHS3 compliant, ensuring environmental sustainability.
Applications
- General-Purpose Amplification: Suitable for various general-purpose amplification needs in electronic circuits.
- Instrumentation and Measurement: Used in instrumentation and measurement applications due to its high gain and low offset characteristics.
- Audio and Signal Processing: Can be used in audio circuits and signal processing applications where high fidelity and low distortion are required.
- Industrial Control Systems: Employed in industrial control systems for amplifying signals from sensors and other devices.
Q & A
- What is the typical supply current per channel for the LM348NSRG4?
The typical supply current per channel is 0.6 mA.
- What is the operating temperature range for the LM348NSRG4?
The operating temperature range is from 0°C to 70°C.
- What is the gain bandwidth product of the LM348NSRG4?
The gain bandwidth product is 1 MHz.
- Is the LM348NSRG4 RoHS compliant?
Yes, the LM348NSRG4 is ROHS3 compliant.
- What is the typical slew rate of the LM348NSRG4?
The typical slew rate is 0.5 V/μs.
- How many channels does the LM348NSRG4 have?
The LM348NSRG4 has four independent channels.
- What is the maximum output current per channel for the LM348NSRG4?
The maximum output current per channel is 25 mA.
- What is the typical input offset voltage of the LM348NSRG4?
The typical input offset voltage is 7.5 mV.
- Is the LM348NSRG4 interchangeable with other industry-standard devices?
Yes, it is interchangeable with industry-standard LM148 and LM248 devices.
- What type of output stage does the LM348NSRG4 have?
The LM348NSRG4 has a Class AB output stage.
