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ADG774BR

ADG774BR Description

The ADG774BR is a 2:1 multiplexer/demultiplexer from Analog Devices Inc., designed to provide high-speed switching in various electronic applications. This IC switch features a low on-state resistance of 2.2 Ohms (typical) and a -3dB bandwidth of 240 MHz, ensuring efficient signal transmission with minimal distortion. The device is available in a 16-SOIC package and is surface mount compatible, making it suitable for space-constrained designs. Although the product status is marked as obsolete, it still offers valuable performance in specific applications.

ADG774BR Features

• Low On-State Resistance: The ADG774BR boasts a typical on-state resistance of 2.2 Ohms, which minimizes signal loss and power dissipation during switching.
• High Bandwidth: With a -3dB bandwidth of 240 MHz, this device can handle high-speed data transmission with minimal signal degradation.
• Low Channel-to-Channel Matching: The ΔRon of 150 mOhms ensures consistent performance across all channels, reducing the risk of signal crosstalk.
• Fast Switching Times: The maximum switch times for Ton and Toff are 15 ns and 8 ns, respectively, making the ADG774BR suitable for high-speed applications.
• Low Charge Injection: The 10 pC charge injection minimizes the impact on the output signal, maintaining signal integrity.
• Low Channel Capacitance: The CS(off) and CD(off) values of 10 pF and 20 pF, respectively, contribute to the device's high-speed performance.

ADG774BR Applications

The ADG774BR is ideal for applications requiring high-speed signal switching and minimal signal degradation. Some specific use cases include:

1. Telecommunications: The high bandwidth and low on-state resistance make it suitable for switching signals in communication systems.
2. Data Acquisition Systems: The low charge injection and fast switching times are beneficial for data acquisition systems that require high-speed signal processing.
3. Automotive Electronics: The device's ability to handle high-speed signals and its robustness make it suitable for use in automotive electronics, such as sensor interfaces and control systems.

Conclusion of ADG774BR

While the ADG774BR is marked as obsolete, it still offers valuable performance in specific applications where high-speed signal switching and minimal signal degradation are required. Its low on-state resistance, high bandwidth, and fast switching times make it suitable for telecommunications, data acquisition systems, and automotive electronics. Despite its obsolescence, the ADG774BR remains a reliable choice for designers looking for a high-performance multiplexer/demultiplexer in these applications.