DG409DY

DG409DY – 2-Channel SP4T Analog Switch/Mux – Renesas Electronics

The DG409DY from Renesas Electronics is a precision dual 4:1 multiplexer/demultiplexer IC designed for high-reliability signal routing in demanding applications. This surface-mount analog switch offers low on-resistance and minimal charge injection, ensuring accurate signal integrity for complex electronic systems. Trust PCX for guaranteed genuine Renesas components and rapid fulfillment.

Key Features

• Switch Configuration: Dual SP4T (4:1 Mux/Demux)
• Low On-Resistance: 100Ω max (15Ω channel matching)
• Wide Voltage Range: Single Supply: 5V–34V | Dual Supply: ±5V–±20V
• Fast Switching: 150ns max (Ton/Toff)
• Minimal Signal Distortion: 20pC charge injection, 500pA max leakage
• Robust Operation: -40°C to +85°C temperature range

Technical Specifications

Housed in a compact 16-SOIC package (3.90mm width), this IC features two independent SP4T circuits optimized for low-power analog signal routing. Its ±20V dual-supply capability supports bipolar signals, while the 34V single-supply operation accommodates industrial environments. Critical parameters include low channel capacitance (CS(off): 3pF, CD(off): 14pF) and guaranteed performance across the full industrial temperature range. Mounting is simplified with surface-mount (SMD) compatibility.

Typical Applications

• Industrial automation control systems
• Test & measurement equipment signal routing
• Medical device sensor interfaces
• Audio/Video signal switching matrices
• Battery monitoring and power management

About Renesas Electronics

Renesas Electronics Corporation is a globally recognized leader in advanced semiconductor solutions, renowned for innovation in microcontrollers, analog, and power devices. With decades of industry expertise, Renesas sets benchmarks for quality and reliability, serving mission-critical sectors including automotive, industrial, and IoT.

The company’s rigorous testing protocols and ISO-certified manufacturing ensure consistent performance in extreme conditions. Renesas components like the DG409DY series are trusted by engineers worldwide for their longevity and design flexibility, making them ideal for legacy system support and new developments alike.

About Analog Switches & Multiplexers

Analog switches and multiplexers (muxes) are fundamental ICs that electronically route analog signals between multiple paths. Unlike mechanical relays, they offer silent, wear-free operation with nanosecond-scale switching speeds, enabling precise signal management in compact designs.

These components are vital in systems requiring signal selection, data acquisition, or circuit reconfiguration—such as sensor arrays, communication interfaces, and automated test platforms. Key selection criteria include on-resistance, signal isolation, voltage range, and power consumption, all optimized in the DG409DY for performance-critical environments.

Packaging

Available in protective Bag packaging. Contact PCX for bulk or custom requirements.

FAQs

Q: Is this part obsolete? Can PCX still supply it?
A: Yes, this part is marked obsolete by Renesas. PCX specializes in sourcing end-of-life components and currently has verified stock available.

Q: What’s the difference between single-supply and dual-supply operation?
A: Single-supply (5–34V) simplifies power design for unipolar signals. Dual-supply (±5–±20V) handles bipolar signals (e.g., audio waveforms) without DC bias.

Q: How does channel matching (ΔRon) affect performance?
A: Tight ΔRon (15Ω max) ensures consistent signal attenuation across channels, critical for precision applications like multichannel data acquisition.

Q: Can I use this for audio signal switching?
A: Yes, its low charge injection (20pC) minimizes “click” noise, while wide voltage support accommodates line-level audio signals.

Q: Is a datasheet available?
A: Yes, download the full DG409DY datasheet from PCX: PCX Datasheet Hub.

Q: What’s the lead time for orders?
A: PCX ships in-stock items like this within 24 hours. Expedited shipping options are available.

Order Today for Fast Delivery!

Secure your DG409DY analog switches now—limited obsolete stock available. PCX guarantees authentic Renesas components, same-day shipping, and dedicated technical support. Add to cart to ensure supply continuity!

Product image is representational. Refer to datasheet for exact specifications.