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ADG428BRZ

ADG428BRZ Description

The ADG428BRZ from Analog Devices Inc. is a high-performance 8:1 analog multiplexer/demultiplexer designed for precision signal routing in demanding applications. Housed in an 18-SOIC package, this IC features a low on-state resistance (Ron) of 100Ω (max) and excellent channel-to-channel matching (ΔRon) of 10Ω, ensuring minimal signal distortion. It operates with dual (±15V) or single (+12V) supplies, making it versatile for both bipolar and unipolar systems. With ultra-low leakage current (500pA max) and fast switching (150ns Ton/Toff), the ADG428BRZ is ideal for high-accuracy, low-power designs. Its low charge injection (4pC) and minimal capacitance (11pF off-source, 40pF off-drain) further enhance signal integrity in sensitive circuits.

ADG428BRZ Features

• Low On-Resistance: 100Ω (max) ensures minimal voltage drop.
• High Channel Matching: ΔRon of 10Ω for consistent performance across channels.
• Wide Supply Range: Supports ±15V (dual) or +12V (single) operation.
• Fast Switching: 150ns turn-on/off time for dynamic signal routing.
• Low Leakage: 500pA max leakage current for precision applications.
• Low Charge Injection: 4pC reduces glitches in sampled signals.
• Robust Packaging: 18-SOIC with MSL1 (unlimited) moisture sensitivity for reliable assembly.
• Compliance: ROHS3 and REACH unaffected, meeting environmental standards.

ADG428BRZ Applications

The ADG428BRZ excels in systems requiring high-accuracy signal switching, such as:

• Test & Measurement Equipment: Multiplexing sensor inputs with minimal error.
• Data Acquisition Systems: Low-leakage switching for precision ADCs/DACs.
• Medical Instrumentation: Ensuring signal fidelity in ECG/EEG front-ends.
• Industrial Automation: Reliable multiplexing in PLCs and control systems.
• Audio/Video Routing: Low-distortion signal paths in professional AV gear.

Conclusion of ADG428BRZ

The ADG428BRZ stands out for its low Ron, fast switching, and exceptional channel matching, making it a top choice for precision analog routing. Its dual/single supply flexibility and low parasitic effects cater to high-performance applications in medical, industrial, and test systems. For engineers seeking a reliable, high-performance multiplexer, the ADG428BRZ delivers unmatched signal integrity and robustness.