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ADG609BRU

ADG609BRU Description

The ADG609BRU from Analog Devices Inc. is a high-performance, dual 4:1 (SP4T) analog multiplexer/demultiplexer designed for precision signal routing in demanding applications. Housed in a 16-pin TSSOP package, this IC features low on-state resistance (30Ω max) and minimal channel-to-channel matching (ΔRon ≤ 5Ω), ensuring consistent signal integrity. With ultra-low leakage current (500pA max) and fast switching (75ns Ton, 45ns Toff), it excels in low-power, high-speed systems. The device supports dual (±5V) or single (3.3V–5V) supplies, making it versatile for mixed-voltage environments. Though marked obsolete, its robust design remains relevant for legacy or niche applications.

ADG609BRU Features

• Low On-Resistance: 30Ω max reduces signal attenuation.
• Fast Switching: 75ns/45ns (Ton/Toff) enables rapid signal routing.
• Low Charge Injection: 6pC minimizes glitches in sensitive circuits.
• Low Power: 500pA leakage suits battery-operated devices.
• Dual/Supply Flexibility: Operates at ±5V or 3.3V–5V.
• High Channel Matching: ΔRon ≤ 5Ω ensures uniform performance.
• Minimal Capacitance: 9pF (CS(off)), 20pF (CD(off)) reduces crosstalk.
• Robust Packaging: 16-TSSOP with MSL1 (Unlimited) moisture sensitivity.

ADG609BRU Applications

• Test & Measurement: Precision signal switching in ATE systems.
• Data Acquisition: Multiplexing low-voltage sensor outputs.
• Audio/Video Routing: Low-distortion signal paths in AV switches.
• Battery-Powered Devices: Energy-efficient portable instrumentation.
• Industrial Control: Reliable switching in PLCs and automation.

Conclusion of ADG609BRU

The ADG609BRU combines low resistance, fast switching, and dual-supply operation for precision analog routing. While obsolete, its low leakage, high channel matching, and compact form factor make it a viable choice for legacy designs or applications requiring proven performance. Ideal for mixed-signal systems, test equipment, and portable electronics, it balances speed and accuracy with minimal power overhead. Engineers seeking a reliable SP4T switch for moderate-speed signals should consider this IC despite its discontinued status.