XR16L2752CJTR-F

Overview
The MaxLinear XR16L2752CJTR-F is a high-performance dual-channel UART (Universal Asynchronous Receiver-Transmitter) with a built-in FIFO (First In, First Out) buffer. It is designed for use in serial communication applications where high-speed data transfer and low power consumption are essential. This device is part of the XR16L2x series and offers advanced features like 16-byte FIFO, integrated voltage level shifting, and support for various communication protocols. It is ideal for industrial, consumer electronics, and embedded systems requiring reliable UART communication.

Core Features

* Dual UART Channels: Supports two independent UART communication channels in a single package.
* FIFO Buffer: 16-byte FIFO for both transmit and receive operations, minimizing CPU load and improving data throughput.
* Advanced Baud Rate Support: Supports baud rates up to 5 Mbps, enabling high-speed data transmission.
* Low Power Consumption: Optimized for low-power operation, making it ideal for battery-operated devices.
* Integrated Level Shifting: Built-in voltage level shifting for compatibility with 3.3 V and 5 V logic systems.
* I/O Interface: Configurable for a variety of input/output interfaces, including RTS/CTS, DTR/DSR, and DCD/RI signals.

Electrical Specifications

* Operating Voltage Range: 3.3 V to 5.5 V, making it compatible with a wide range of systems.
* I/O Voltage Range: 1.65 V to 5.5 V, providing flexibility in interfacing with different logic levels.
* Low Power Consumption:

* Active mode: Approximately 20 mA (typical at 3.3 V)
* Sleep mode: Less than 1 µA
* Baud Rate Range: 300 bps to 5 Mbps, offering a wide range of transmission speeds for different applications.
* Transmitter/Receiver Voltage:

* Max data input voltage: 5.5 V
* Max data output voltage: 5.5 V
* Input signal voltage: -0.3 V to Vcc + 0.3 V (max)
* Data Format: 5, 6, 7, or 8 data bits, with optional parity and stop bits (1 or 2).

Communication Features

* Full-Duplex Communication: Allows simultaneous transmission and reception of data, enhancing data throughput.
* Flow Control:

* Hardware flow control with RTS/CTS and DTR/DSR support.
* Software flow control using XON/XOFF for error handling.
* Interrupts and Status Flags: Supports a variety of interrupt sources and status flags for data transfer events, making it easier to handle errors and data flow.
* Receiver Data Rate: The receiver is capable of handling high-speed data rates of up to 5 Mbps.
* Line Drivers: Can drive RS-232 or TTL-level signals for serial data transmission.

Packaging and Physical Characteristics

* Package Type: TQFN-28 (Thin Quad Flat No-lead)
* Pin Count: 28 pins
* Package Dimensions: 4 mm × 4 mm (width × length)
* Mounting Style: Surface-mount, compatible with automated PCB assembly processes.
* Operating Temperature Range: -40°C to +85°C, suitable for both commercial and industrial applications.
* Lead Finish: RoHS compliant, lead-free, ensuring environmental sustainability.

Performance Characteristics

* FIFO Buffer: The 16-byte FIFO for both transmit and receive sides allows efficient data handling, preventing data loss during high-speed data transmission.
* Error Handling: The device supports built-in error detection and handling mechanisms such as framing errors, overrun errors, and buffer overruns, which are critical in high-speed communication systems.
* Auto-Flow Control: Automatically handles RTS/CTS flow control to prevent data overruns and ensure smooth data transmission.
* Low Latency: Optimized for low-latency data transfer, making it suitable for real-time applications such as industrial automation or remote monitoring.

Power Management

* Low-Power Operation: The device is designed for low-power applications, with a sleep mode current consumption of less than 1 µA.
* Power Saving Modes: Multiple power-saving modes are available, including the ability to disable unused channels and peripherals when not in use.
* Energy-Efficient Communication: The efficient architecture minimizes power usage during both active and idle states, which is critical for battery-powered systems.

Application Areas

* Industrial Automation: The dual-channel UART is ideal for serial communication in industrial control systems, such as programmable logic controllers (PLCs), sensors, and actuators.
* Consumer Electronics: Used in products requiring reliable serial communication, such as home appliances, gaming consoles, and smart devices.
* Embedded Systems: Often integrated into microcontroller-based systems for communication with peripherals, sensors, or other embedded devices.
* Networking Devices: Utilized in routers, gateways, and other networking equipment where high-speed serial communication is necessary for data transmission.
* Automotive Applications: The XR16L2752CJTR-F can be used in automotive electronics for diagnostics and communication with on-board systems, including infotainment, telematics, and sensor modules.
* Medical Devices: Suitable for medical equipment that requires precise, reliable, and low-power UART communication for data logging and monitoring.
* Point-of-Sale Systems: Commonly found in barcode scanners, receipt printers, and credit card readers that require serial communication interfaces.

Robustness and Reliability

* Error Detection and Recovery: The integrated error detection mechanism ensures data integrity during transmission, which is critical for applications requiring reliable communication.
* Electromagnetic Compatibility: The device is designed to be immune to electromagnetic interference (EMI), ensuring stable operation in noisy environments such as industrial settings or automotive systems.
* Wide Operating Temperature Range: The XR16L2752CJTR-F is specified to operate from -40°C to +85°C, making it suitable for use in a wide range of environments, including harsh industrial and outdoor conditions.

Conclusion
The MaxLinear XR16L2752CJTR-F is a versatile, high-performance dual-channel UART designed for reliable, high-speed serial communication in embedded systems, industrial, consumer electronics, and automotive applications. With advanced features such as 16-byte FIFO buffers, support for multiple data formats and baud rates, low power consumption, and built-in error handling, it offers a complete solution for a wide variety of serial communication needs. The integration of voltage level shifting and robust communication features makes it an ideal choice for designs requiring flexibility, performance, and reliability in challenging environments.