MAX20328EWA+

MAX20328EWA+ is an USB Type-C audio interface IC for use in portable devices. As USB Type-C and USB power delivery (PD) makes a high-voltage charging solution readily available, the data and SBU lines are at risk of shorting to a high bus voltage, risking permanent damage to the portable device. USB 2.0 data lines also need protection when multiplexed with analogue audio signals that vary from positive to negative voltages. The devices can detect a CC pin connection event to disable the microphone bias and eliminate pop up noise when an audio accessory is attached. It is used in applications such as smart phones, phablets, tablet PCs.

• High-speed USB data or audio switch paths, Beyond-the-Rails™ signal capability
• Automatic impedance detection in audio configurations, full manual switch control
• Overvoltage protected data and audio channels
• ±5V audio signals (limited by positive OVLO threshold)
• High ESD and surge-protected USB Type-C contacts
• Supply voltage range from 2.7V to 5.5V
• Input supply current is 256µA typical at (VCC = 3.7V, TA = +25°C)
• Shutdown current is 3.9µA typical at (VCC = 3.7V, EN = 0, TA = +25°C)
• Operating temperature range from -40°C to +85°C
• 25-pin WLP package

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