ISL83385ECA

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The ISL83385ECA is a high-speed, low power, bipolar dual-channel RS-232 transceiver for PC applications meeting the requirements of EIA/TIA-232-F and ITU V.28 standards. The device is also compatible with USB full speed applications and offers engineers low capacitive loading. This makes the transceiver ideally suited for applications like high-end peripheral connection, PCI products, external storage drives, and point-of-sale terminals. 

Features

The ISL83385ECA offers high-speed performance at low power consumption. The device can operate up to 120 Mbps data rates. It integrates data rates up to 28 MHz with 3V or 5V logic operation. The device offers a number of features to further simplify design of applications. These include:

• Operates at up to 120 Mbps data rates and 28 MHz
• Wide operating temperature range: -40ºC to 85ºC
• Conforms to EIA/TIA-232-F and ITU V.28 standards
• Integrated ESD protection
• Integrated Thermal Shutdown protection
• Low operating voltage: 3.3V or 5V logic operation
• Low capacitive loading allows in-line cable connection
• Compatible with USB 2.0 full-speed applications

Application Field

The ISL83385ECA is suited for applications with demand for reliable, high-speed data transmission without sacrificing power consumption, such as:

• High-end peripheral connection (external hard drives)
• PCI products
• External storage drives
• Industrial control systems
• Point-of-sale terminals
• Passive optical networks
• Other applications which require EIA/TIA-232-F and/or ITU V.28 compatibility

Working Principle

The ISL83385ECA uses a dual-channel RS-232 transceiver to transmit data between devices. With its standard and low-power-consumption design, it allows for effective communication between compatible devices and systems. It uses a dedicated transmitter and receiver to transmit and receive data at high speeds. Its ESD and Thermal Shutdown protection prevents damage to the device due to extreme or unacceptable voltage levels or temperatures. It also uses a low capacitive loading feature to prevent signal degradation due to in-line cable connection.

When transmitting data, the device first generates a data frame with start and stop bits. The transmitted data frame is received by the destination device and decoded. The device also uses a power negotiation feature to reduce power consumption. When the device is not actively transmitting or receiving data, it can be put into a low-power standby mode.

Conclusion

The ISL83385ECA offers engineers a high-speed, low-power solution for RS-232 compatible devices and systems. It is designed to meet the requirements of EIA/TIA-232-F and ITU V.28 standards, and is compatible with USB 2.0 full-speed applications. It offers protection against extreme voltage levels and thermal shutdown. The device can be used in a wide range of applications, including PCI products, external storage drives, and point-of-sale terminals. With its low capacitive loading feature, the device offers reliable data transmission even with in-line cable connection.

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