ASSR-302C-302E Solid State Relay Module – Electrical Isolation – Compact Package

ASSR-302C-302E Overview

The ASSR-302C-302E is a high-performance digital isolator designed for industrial applications requiring robust galvanic isolation and precise signal transmission. This device integrates advanced CMOS technology to provide reliable and noise-immune isolation between input and output circuits. With a compact footprint and low power consumption, it offers engineers enhanced design flexibility and improved overall system reliability. The product??s high data rate capability and reinforced insulation make it suitable for harsh environments where safety and signal integrity are critical. Available through IC Manufacturer, this isolator supports engineers and sourcing specialists in meeting stringent industrial standards efficiently.

ASSR-302C-302E Technical Specifications

ASSR-302C-302E Key Features

• High Isolation Voltage: Supports up to 3750 Vrms, ensuring strong galvanic isolation that protects sensitive circuits from high voltage surges and noise interference.
• Photovoltaic Output: Provides a stable and low-noise output signal, which enhances signal integrity and reduces the need for additional filtering in the system.
• Wide Operating Temperature Range: From -40 ??C to +100 ??C, suitable for industrial environments with extreme temperature fluctuations.
• Low Propagation Delay: Typical delay of 3 ??s allows for faster data transmission, critical in time-sensitive control applications.
• Compact 8-Pin SOP Package: Enables easy PCB integration and supports space-saving designs without compromising performance.
• High Insulation Resistance: Provides excellent protection against leakage currents, enhancing system reliability in safety-critical applications.
• Low Power Consumption: Operates efficiently within a 4.5 V to 5.5 V supply range, minimizing power requirements for battery-powered or low-energy systems.

ASSR-302C-302E Advantages vs Typical Alternatives

This isolator offers superior galvanic isolation voltage and a photovoltaic output that ensures low noise and high signal integrity, setting it apart from typical optocouplers. Its compact footprint and low propagation delay increase system efficiency and responsiveness. Additionally, the wide operating temperature range enhances reliability in harsh industrial environments, making it a more robust and precise option compared to traditional isolation devices.

Typical Applications

• Industrial automation systems requiring safe and accurate signal isolation between high-voltage and low-voltage circuits for control and monitoring functions.
• Switch mode power supplies where galvanic isolation prevents feedback and noise from affecting sensitive control electronics.
• Medical equipment demanding reliable signal isolation to protect patients and operators from electrical hazards.
• Motor control circuits needing fast and reliable data transmission with galvanic isolation to prevent damage from voltage spikes.

ASSR-302C-302E Brand Info

The ASSR-302C-302E is part of a product line known for advanced optical isolation technology, developed with a focus on safety, reliability, and precision performance. This family of isolators integrates state-of-the-art CMOS technology with patented photovoltaic output designs to deliver superior isolation and signal fidelity. It reflects the manufacturer??s commitment to meeting industrial standards and providing engineers with dependable components optimized for demanding applications.

FAQ

What type of isolation does this device provide?

The device provides galvanic isolation through an optical interface, using a phototransistor input and photovoltaic output to separate the input and output circuits electrically. This prevents noise and high voltage from transferring between circuits, ensuring safety and signal clarity.

What is the maximum data transmission rate supported?

It supports data rates up to 100 kbps, making it suitable for many industrial communication protocols where moderate speed and reliable isolation are required.

Can this isolator operate in harsh temperature conditions?

Yes, it is rated for operation from -40 ??C to +100 ??C, allowing it to perform reliably in demanding environments such as industrial and automotive applications.

What package type does this isolator use?

The device comes in an 8-pin small outline package (SOP), which allows for compact PCB layout and easy integration into space-constrained designs.

How does the photovoltaic output benefit system design?

The photovoltaic output generates a stable voltage without the need for an external power source on the output side, reducing noise and simplifying the circuitry. This leads to improved signal integrity and lower system complexity.