MAX3643 (2)

The MAX3643 series is available from Analog Devices at Xecor. Designed for driving laser diodes in burst-mode PON (Passive Optical Network) applications, the MAX3643 offers high-speed performance with modulation currents up to 85mA, bias currents up to 70mA, and rapid turn-on/off times of just 2ns. Available in a 24-TQFN (4x4) package, it is ideal for 1.25Gbps IEEE EPON ONT modules and A/B/G/XGPON ONT modules up to 2.5Gbps. Whether used in telecommunications or fiber optic networks, this series ensures reliable performance, precision, and efficiency for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX3643 series below.

Part Number Description Package Inventory Add To Bom
MAX3643ETG+ Ensure fast and reliable data transmission with MAX3643ETG's high-speed laser driver solution featuring RoHS compliance and low power consumption LFCSP-24 6,064
MAX3643ETG+T Precise control of laser diodes for reliable data transfe LFCSP-24 6,477

Key Featrues

High-Speed Differential Burst-Enable Input: Enables the laser driver to switch from a dark (off) condition to full on in less than 2ns, making it ideal for applications requiring rapid response times, such as burst-mode communication in PON networks.
Wide Modulation and Bias Current Range: Supports modulation currents from 10mA to 85mA and bias currents from 1mA to 70mA, providing flexibility for driving various types of laser diodes and optimizing performance for different optical communication standards.
Monitor Diode Sample and Hold: Incorporates a monitor diode sample and hold feature, which ensures accurate monitoring and control of laser output, enhancing stability and reliability in long-term operation.
LVPECL High-Speed Inputs: Utilizes LVPECL (Low-Voltage Positive Emitter-Coupled Logic) for high-speed data and burst-enable inputs, ensuring low noise and high signal integrity, which is critical for high-speed data transmission up to 2.5Gbps.
Compact 24-TQFN Package: Packaged in a small 24-TQFN (4x4) form factor, the device is suitable for space-constrained applications, such as ONT modules, while maintaining efficient thermal performance and ease of integration into PCB designs.

Applications

Fiber Optic Communication Modules: The MAX3643 is ideal for driving laser diodes in fiber optic communication modules, such as 1.25Gbps IEEE EPON ONT modules and A/B/G/XGPON ONT modules. Its high-speed differential burst-enable input ensures rapid switching from dark to full-on conditions, making it suitable for high-speed data transmission in telecommunications and networking environments.
Burst-Mode Laser Control Systems: The MAX3643 is perfect for burst-mode laser control systems in PON (Passive Optical Network) applications. Its ability to switch the laser from a dark condition to full-on in less than 2ns, combined with its low modulation and bias currents when inactive, makes it ideal for efficient and precise laser control in optical network terminals.
High-Speed Data Transmission Systems: The MAX3643 is well-suited for high-speed data transmission systems requiring up to 2.5Gbps data rates. Its 45ps output transition time and LVPECL high-speed inputs ensure reliable and accurate data transmission, making it a key component in high-performance optical communication systems.
Precision Laser Diode Drivers: The MAX3643 is an excellent choice for precision laser diode drivers in applications requiring controlled modulation and bias currents. With modulation current ranging from 10mA to 85mA and bias current from 1mA to 70mA, it provides the necessary precision for applications in medical devices, industrial laser systems, and scientific instrumentation.

Popular MAX3643 Products comparison

MAX3643ETG+T vs MAX3643ETG+