ISL31483EIBZ-T7A Integrated Circuits (ICs)

The ISL31483EIBZ-T7A is a digital signal receiver with integrated transimpedance amplifier, ESD protection and active signal indicator. It is designed to support a range of applications, including signal conditioning, signal line protection, overvoltage protection and signal receiver applications.

Overview

The ISL31483EIBZ-T7A is designed to receive digital signals, such as common-mode noise, differential noise, input power, ground voltage, or input current, in system interconnects and provide a properly conditioned and ESD-protected output. This receiver is able to condition and protect signals in a variety of applications and system environments across a wide a range of industrial, automotive and aerospace applications from 4V to 26V, based on design needs.

The central feature of the ISL31483EIBZ-T7A is a high-performance transimpedance amplifier with a bandwidth of 8MHz. This amplifier gives the product the ability to enhance the signal-to-noise ratio for low input power signals such as common-mode noise, and magnitude and phase shifted differential noise. The amplifier also allows the product to reject undesirable signals, such as noise and other stray signals.

The ISL31483EIBZ-T7A also provides a low-noise CMOS output stage, which is able to support an output logic level from 2V to 5V. This logic level is capable of interfacing with standard digital logic circuits. The device is also able to support level shifting or level-shifting of the CMOS output stage for systems with different logic levels.

The ISL31483EIBZ-T7A also provides a robust ESD protection circuit, which effectively prevents damage to the device when subjected to ESD events such as ESD pulses or electrostatic discharges. The ESD protection circuit also reduces the risk of ESD-related system failure.

Applications

The ISL31483EIBZ-T7A is ideal for use in industrial systems, automotive systems, and aerospace applications. It is designed to support the following applications:

• Signal conditioning for digital or RF signals
• Signal line protection
• Overvoltage protection
• Signal receiver applications

In industrial applications, the ISL31483EIBZ-T7A is able to condition and protect digital or RF signals in a wide range of harsh environments, such as in ESD sensitive areas, in high-voltage or high-power circuit layouts, in areas prone to transient overvoltages and EMI/RFI noise, and in RF environments.

In automotive and aerospace applications, the ISL31483EIBZ-T7A is able to protect against electrical overstress (EOS) of power controllers, protect against EMI/RFI noise, protect against electrostatic discharges, and protect against transient overvoltages. In these applications, the receiver is designed to support a wide range of different mechanical, electrical, and environmental requirements.

Working Principle

The ISL31483EIBZ-T7A utilizes a high-performance transimpedance amplifier, which operates by converting an incoming current signal into a voltage. In this way, it is able to provide a properly conditioned and ESD-protected output. The transimpedance amplifier is able to enhance the signal-to-noise ratio for low power signals, reject undesirable signals, and provide a low-noise CMOS output stage. The device also has a robust ESD protection circuit, which prevents damage to the device when subjected to ESD events.

In addition, the ISL31483EIBZ-T7A utilizes an output logic level of 2V to 5V, which is capable of interfacing with standard digital logic circuits. The logic level can also be level shifted or level-shifted, depending on design needs.

The ISL31483EIBZ-T7A also utilizes built-in active signal indicator to provide a visual indication of the incoming signal’s status. The signal indicator provides an easy way to identify whether the device is functioning correctly or not.