The MAX13330GEE/V+ is a automotive DirectDrive headphone amplifier 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 amplifier is set internally (-1.5V/V) 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
(EN)
