MAX13331GEE/V+

The MAX13331GEE/V+ is a automotive DirectDrive headphone amplifiers with output protection and diagnostics in 16 pin QSOP package. This stereo headphone amplifier is designed for automotive applications requiring output short circuit and ESD protection to battery/ground with diagnostics. Device use Maxim’s unique DirectDrive architecture to produce a ground referenced output from a single supply, eliminating need for large DC-blocking capacitors, saving board space and component height. The gain of the amplifier is adjusted externally with resistors on IC. The device include ±15kV Human Body Model ESD protection and short circuit protection up to +45V at the headphone outputs. Comprehensive click-and-pop circuitry suppresses audible clicks and pops on start-up and shutdown. A low power shutdown mode reduces the supply current to 3µA (typ). It is used in automotive entertainment systems and automotive rear seat entertainment systems.

• Supply voltage range is 4V to 5.5V
• Automotive AEC-Q100 grade 2 qualified, operating temperature range from -40°C to 105°C
• 2MHz charge pump prevents AM radio interference
• Ground referenced outputs eliminate bulky DC blocking capacitors
• Short to ground and battery (VBAT up to +45V) output protection, load dump protection
• Short circuit diagnostic output, charge pump oscillator frequency is 2.5MHz
• 125mW per channel into 32ohm at 0.01% THD+N, crosstalk of -75dB at f = 10KHz
• Integrated click and pop suppression
• High PSRR eliminates LDO
• No degradation of low frequency response due to output capacitors

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Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Note

ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party