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AD7628KP

AD7628KP Description

The AD7628KP from Analog Devices Inc. is an 8-bit digital-to-analog converter (DAC) designed for precision analog output applications. Housed in a 20-pin PLCC package, this surface-mount IC features dual D/A converters with a parallel data interface, enabling efficient integration into digital systems. The device operates with dual power supplies (10.8V to 15.75V for both analog and digital domains), ensuring robust performance in mixed-signal environments. With a settling time of 400ns and INL/DNL specifications of ±0.5 LSB (Max) and ±1 LSB (Max), the AD7628KP delivers high-speed, accurate analog output. Although now obsolete, it remains a reliable choice for legacy systems requiring stable, high-performance DAC functionality.

AD7628KP Features

• Dual 8-bit DACs: Two independent converters for multi-channel applications.
• Fast Settling Time: 400ns ensures rapid response in dynamic systems.
• Wide Supply Range: 10.8V to 15.75V for analog and digital operation.
• Low INL/DNL: ±0.5 LSB (INL) and ±1 LSB (DNL) for high linearity.
• Parallel Interface: Simplifies integration with microprocessors or FPGAs.
• External Reference: Flexibility in voltage reference selection.
• Surface-Mount PLCC Package: Compact and suitable for automated assembly.

AD7628KP Applications

• Industrial Automation: Precision control systems requiring dual-channel analog outputs.
• Test and Measurement Equipment: High-speed signal generation with low distortion.
• Legacy Digital Systems: Upgrades or repairs for older designs needing reliable DACs.
• Audio Processing: Multi-channel audio signal synthesis (though resolution may limit modern use).
• Military/Aerospace: Robust performance in harsh environments (subject to EAR99 export controls).

Conclusion of AD7628KP

The AD7628KP excels in applications demanding dual-channel, high-speed analog output with 8-bit resolution. Its low INL/DNL errors and wide supply range make it suitable for industrial and test equipment, though its obsolete status limits new designs. Engineers valuing Analog Devices' legacy reliability may still find it ideal for maintaining or upgrading older systems. For modern applications, higher-resolution alternatives are recommended, but the AD7628KP remains a testament to robust, precision DAC design.