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RENESAS QS4A205QG High-Performance Signal Switch

The QS4A205 is a high-performance CMOS analog four-channel SPDT multiplexer/demultiplexer designed for high-speed video, audio switching, data acquisition, and telecommunication routing applications. It features ultra-low ON resistance of 5Ω, 830MHz bandwidth, fast transition times of 6ns, and TTL-compatible controls. The device operates with a single 5V supply, boasts low power dissipation, and is available in a compact QSOP package. Its high bandwidth and low crosstalk make it ideal for high-performance signal switching in professional audio, video, and networking systems, ensuring reliable and low-noise operation in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:QS4A205QG
Stock:8
Inv Date:06-06-2026
Price: Unit price: $5.57
Buy/RFQ:
Part No:QS4A205QG
Stock:57
Inv Date:06-07-2026
Price: Unit price: $5.35
Buy/RFQ:
Part No:QS4A205QG
Stock:0
Inv Date:06-05-2026
Price: Unit price: $2.76
Buy/RFQ:

RENESAS QS4A205QG High-Performance Signal Switch Specifications:

  • Bandwidth: 830MHz (-3dB point)
  • On Resistance: 5Ω
  • Transition Time: 6ns
  • Supply Voltage: 5V
  • Operating Temperature Range: -40°C to +85°C
  • Package: QSOP
  • Crosstalk: -115dB at 50KHz, -100dB at 5MHz, -66dB at 30MHz
  • Off-isolation: -90dB at 50KHz, -60dB at 5MHz, -50dB at 30MHz
  • Current: Quiescent power 3A
  • Control Inputs: TTL-compatible
  • Voltage Range: DC Switch Voltage up to 7V

Buy the IDT QS4A205 – Reliable Signal Switching for Industrial Applications

Order the IDT QS4A205 now online and enhance your high-speed signal routing with this CMOS quad-channel multiplexer/demultiplexer. Featuring 830MHz bandwidth, low ON resistance of 5Ω, and fast 6ns transition times, this device supports high-quality video, audio, and data switching. Its TTL-compatible controls, low power dissipation, and compact QSOP package make it ideal for demanding professional and industrial applications. Ensure reliable, low-noise performance for high-performance systems and remote instrumentation with this premium switching component.

Buy IDT QS4A205 now and experience unmatched reliability and high-performance signal switching for your professional audio, video, and telecommunication systems.

Frequently Asked Questions

Where can I buy RENESAS QS4A205QG?

You can click on the BUY or RFQ button to purchase QS4A205QG from an authorized RENESAS distributor.

How do I troubleshoot issues or seek technical support for part QS4A205QG?

You can download the QS4A205QG datasheet or visit the RENESAS website for support.

Who is the manufacturer of QS4A205QG?

RENESAS

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