STMicroelectronics

ST7538QTR

ST7538QTR Description

The ST7538QTR is a half-duplex transceiver IC from STMicroelectronics, designed for robust communication in various electronic systems. With a single driver and receiver, it operates within a voltage supply range of 4.75V to 5.25V, ensuring reliable performance across different power conditions. This obsolete product is surface-mountable, making it suitable for compact designs and high-density integration. The ST7538QTR is compliant with REACH regulations and RoHS3 standards, reflecting STMicroelectronics' commitment to environmental responsibility.

ST7538QTR Features

• Single Driver/Receiver: The ST7538QTR's 1/1 configuration simplifies system design and reduces component count.
• Voltage Supply Range: Operates from 4.75V to 5.25V, providing flexibility in power supply design.
• Surface Mount: Facilitates integration into compact and densely populated PCBs.
• Half-Duplex Operation: Allows for efficient communication in systems where full-duplex is not required.
• REACH Unaffected: Ensures compliance with European chemical regulations.
• RoHS3 Compliance: Demonstrates adherence to environmental standards.
• Moisture Sensitivity Level (MSL) 3: Indicates that the device can be stored for up to 168 hours before baking is required.

ST7538QTR Applications

The ST7538QTR is ideal for applications where a compact, reliable transceiver is needed. Some specific use cases include:

• Industrial Control Systems: For communication between microcontrollers and sensors in harsh environments.
• Automotive Electronics: In infotainment systems or sensor networks within vehicles.
• Telecommunication Equipment: As a component in data transmission systems where half-duplex communication is sufficient.
• Consumer Electronics: In devices requiring simple and cost-effective data communication, such as home appliances with network connectivity.

Conclusion of ST7538QTR

While the ST7538QTR is now considered obsolete, it remains a viable option for legacy systems or applications where its specific features are still relevant. Its half-duplex capability, combined with a single driver/receiver configuration, makes it a cost-effective solution for systems not requiring full-duplex communication. The ST7538QTR's compliance with environmental standards and its wide voltage supply range further enhance its appeal for applications where reliability and sustainability are paramount.