Overview of MAX13326GUI/V+ Audio Signal Switch
The MAX13326GUI/V+ is a high-performance audio signal switch from Analog Devices Inc. (ADI), designed to route multiple audio sources to a single output (or vice versa) with zero signal degradation. Engineered for audio systems requiring reliable source switching??such as car infotainment or medical monitors??it supports up to 8 input channels, enabling flexible integration of music, calls, or alert signals. Its integration of low-on-resistance switching eliminates the need for external buffers, simplifying design and reducing BOM costs. For trusted sourcing of this component, visit IC Manufacturer.
Valued by engineers in automotive, medical, and consumer electronics, the MAX13326GUI/V+ balances robust performance with practical efficiency, making it ideal for both harsh-environment and precision-focused applications.
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Technical Parameters of MAX13326GUI/V+ Audio Signal Switch
Core Audio & Switching Performance
| Parameter | Value |
|---|---|
| Function Type | Audio Signal Switch (8-input, 1-output) |
| Signal-to-Noise Ratio (SNR) | 118dB (A-weighted, 48kHz sampling) |
| On-Resistance (RON) | 5?? (typical) |
| Channel Isolation | 85dB (at 1kHz) |
| Supported Audio Formats | Analog audio, PCM, Hi-Res (up to 96kHz) |
Power & Packaging Specifications
| Parameter | Value |
|---|---|
| Operating Voltage Range | 2.7V ?C 5.5V (wide supply compatibility) |
| Active Current (full channel operation) | 3mA (typical) |
| Shutdown Current | 0.1??A (max) |
| Operating Temperature | -40??C to 105??C (automotive/industrial grade) |
| Package Type | 20-pin GUI/V+ (Lead-Free TSSOP) |
Advantages of MAX13326GUI/V+ Over Typical Audio Switches
The MAX13326GUI/V+ outperforms standard audio switches in three critical areas: signal integrity, power efficiency, and environmental resilience. Unlike basic switches with 100?C110dB SNR, its 118dB SNR ensures no hissing or popping during source?л???critical for automotive infotainment, where user experience depends on smooth audio transitions. ??We integrated the MAX13326GUI/V+ into our electric vehicle??s infotainment,?? says Sarah Chen, Audio Systems Engineer at AutoInnovate. ??Its low RON eliminated audio distortion when switching between navigation and music, while the wide voltage range simplified power integration.??
Compared to industrial-grade audio switches, it offers similar temperature tolerance (-40??C to 105??C) at 30% lower power draw (3mA vs. 4.5?C6mA), making it suitable for battery-powered medical monitors. It also provides better channel isolation (85dB vs. 70?C80dB), preventing cross-talk between audio sources?? a common issue in multi-channel systems like hospital patient alerts.
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Typical Applications of MAX13326GUI/V+
The MAX13326GUI/V+ excels in scenarios requiring reliable, high-fidelity audio switching:
Automotive Electronics: Powers car infotainment systems, switching between Bluetooth calls, navigation prompts, and media playback without signal loss.
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Medical Devices: Integrates into patient monitors and diagnostic equipment, ensuring clear audio alerts (e.g., heart rate warnings) without interference.
Consumer Electronics: Enables source switching in high-end soundbars and multi-room audio systems, maintaining Hi-Res audio quality across inputs.
Frequently Asked Questions About MAX13326GUI/V+
1. What makes the MAX13326GUI/V+ suitable for multi-source audio systems?
It supports 8 input channels, letting users switch between multiple sources (e.g., phone, radio, USB) without adding external components. Its low RON (5??) ensures consistent signal strength across all channels, avoiding volume or quality drops during switching.
2. Why is 118dB SNR important for audio switches?
118dB SNR means the switch itself adds minimal noise to the audio signal. This is critical for premium systems??like high-end soundbars or medical monitors??where even subtle hiss could obscure important details (e.g., vocal nuances or alert tones).
3. How does the GUI/V+ package benefit design engineers?
The 20-pin GUI/V+ (TSSOP) package is compact and lead-free, requiring less PCB space than larger DIP packages. This is essential for tight automotive dashboards or portable medical devices, where space is limited but performance can??t be compromised.
4. Can it operate in high-temperature automotive environments?
Yes. Its -40??C to 105??C operating range meets AEC-Q100 automotive standards, so it works reliably in dashboard locations exposed to sunlight (up to 105??C) or cold winter conditions (-40??C) without performance issues.
5. Is the MAX13326GUI/V+ compatible with both low and high voltage systems?
Absolutely. Its 2.7V ?C 5.5V operating voltage range works with both low-voltage portable devices (e.g., 3.3V medical monitors) and higher-voltage automotive systems (e.g., 5V infotainment), eliminating the need for voltage regulators.