Description

The LM346 is an electronic component model, specifically an IC chip, that consists of four independent, high gain, internally compensated, low power programmable amplifiers. It offers the ability to tailor amplifier characteristics to the application by allowing the user to program parameters such as gain-bandwidth product, slew rate, supply current, input bias current, input offset current, and input noise. This flexibility allows for optimization of various performance aspects based on specific needs.

Specifications and features

Here are the key specifications and features of the LM346:

• Battery powered operation
• Low supply current (250µA/amplifier)
• Gain-bandwidth product: 1MHz
• Large DC voltage gain: 120dB
• Low noise voltage: 28nV/VHz
• Wide power supply range: ±1.5V to ±22V
• Class AB output stage without crossover distortion
• Overload protection for inputs and outputs

Application Scenarios

The LM346 can be used in various electronic applications where amplification is required. It is particularly suitable for scenarios where programmable amplifier characteristics are desired to optimize performance based on specific requirements. Some potential application areas include audio amplification, sensor signal conditioning, instrumentation amplification, and signal processing.

Comparison

- Flexibility to program amplifier characteristics based on specific needs

- Low power consumption

- Wide power supply range

- Overload protection for inputs and outputs

- Limited gain-bandwidth product compared to some specialized amplifiers