Overview of HA4344B Crosspoint Switch
The HA4344B is a high-performance video crosspoint switch, specifically designed for professional video and computer display applications. With a broad frequency response of up to 350MHz and features that ensure low power consumption and high-quality signal integrity, the switch is suitable for HDTV, professional video switching, computer graphics, and other advanced video applications.
Key Features
The device boasts low power dissipation (105mW), symmetrical slew rates, 0.1dB gain flatness over a 100MHz -3dB bandwidth, high off isolation (70dB at 100MHz), and excellent crosstalk rejection (80dB at 30MHz). It maintains a differential gain and phase of 0.019°/0.019° and has a high ESD rating over 2000V. HA4344B also ensures compatibility with TTL control signals and features latched control lines for synchronized switching.
Applications
With all its features, the HA4344B is versatile for various applications, including professional video switching and routing, RGB video distribution systems, computer graphics, and RF switching and routing.
Ordering and Compliance Information
The HA4344B offers multiple ordering codes for different temperature ranges, all in a 16-lead SOIC package. Notable is the HA4344BCBZ, denoted as a (Pb-free) package, compliant with RoHS standards for reduced lead in electronics. The products are also designed for compatibility with both SnPb and Pb-free soldering operations.
Technical Specifications
Operational characteristics include a supply voltage range of 14.5V to 15.5V, low supply current requirements, and an operating temperature range from 0°C to 70°C. Details on dc supply characteristics, analog dc characteristics, switching characteristics, and digital dc characteristics are given, facilitating seamless integration into a variety of high-demand systems.
Cautions
Users are cautioned that the devices are sensitive to electrostatic discharge and require the following of proper IC handling procedures. Additionally, operating the device beyond the absolute maximum ratings specified may cause permanent damage.
Pinout and Functionality
The pinout is clearly defined for straightforward implementation. It includes separate ground pins, input pins, control signal pins such as Chip Select (CS), Clock (CKT and CKZ), and outputs. The functional diagram provides insight into the operational flow of the switch, highlighting its capabilities for channel switching and synchronization.
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