Intersil

ISL28156FBZ

ISL28156FBZ Description

The ISL28156FBZ is a general-purpose operational amplifier (op-amp) from Intersil, designed for a wide range of analog signal processing applications. This op-amp is housed in an 8SOIC package and features a single circuit configuration. It operates within a supply voltage range of 2.4 V to 5 V, making it suitable for both low-power and standard voltage applications. The ISL28156FBZ is characterized by its low supply current of 39µA, which ensures efficient power usage, and its low input bias current of 1.14 nA, which minimizes loading effects on sensitive input sources. The op-amp also boasts a low input offset voltage of 7 µV, contributing to high accuracy in signal amplification.

ISL28156FBZ Features

• Low Power Consumption: With a supply current of only 39µA, the ISL28156FBZ is ideal for battery-operated and low-power applications, ensuring extended operational time without compromising performance.
• Wide Supply Voltage Range: The ability to operate from 2.4 V to 5 V makes this op-amp versatile for various power supply configurations, including those in portable devices and embedded systems.
• High Gain Bandwidth Product: A gain bandwidth product of 250 kHz ensures stable and accurate signal amplification across a broad frequency spectrum, making it suitable for applications requiring high-frequency response.
• Low Input Offset Voltage: The low input offset voltage of 7 µV enhances the accuracy of the amplified signal, making the ISL28156FBZ suitable for precision applications.
• High Output Current: The op-amp can deliver up to 31 mA per channel, allowing it to drive moderate loads directly without additional buffering.
• Surface Mount Technology: The surface mount package type facilitates easy integration into compact and high-density PCB designs, ideal for modern electronics manufacturing processes.

ISL28156FBZ Applications

The ISL28156FBZ is well-suited for a variety of applications due to its general-purpose design and robust performance characteristics. Some specific use cases include:

• Signal Conditioning: Ideal for amplifying and conditioning weak analog signals in sensors, transducers, and other measurement systems.
• Audio Processing: Suitable for audio applications requiring high-fidelity signal amplification and minimal distortion.
• Industrial Controls: Can be used in control systems where precise signal processing and low power consumption are critical.
• Consumer Electronics: Applicable in portable devices such as smartphones, tablets, and wearable technology where low power and small form factor are essential.
• Medical Devices: Useful in medical equipment for amplifying bio-signals with high accuracy and low noise.

Conclusion of ISL28156FBZ

The ISL28156FBZ from Intersil is a versatile and efficient general-purpose op-amp, offering a combination of low power consumption, wide supply voltage range, and high performance. Its low input bias current and input offset voltage make it suitable for precision applications, while its high output current capability ensures it can drive moderate loads effectively. Although the product is now obsolete, its unique features and advantages over similar models make it a valuable component for a wide range of applications, particularly in low-power and high-accuracy scenarios. For designers seeking a reliable and efficient op-amp solution, the ISL28156FBZ remains a notable choice.