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raybet雷电竞首页电源类芯片D类音频放大器OB6220
OB6220 isa stereo Class-D audio power amplifier driving 8ohm speakers in a bridge-tied load configuration for up to 15W power output at each channel.It achieves up to 90% power efficiency.
The gain of the amplifier is programmable at 20, 26, 32 or 36dB with two gain selection pins.
OB6220 provides comprehensive IC and system level protection features including speaker terminal short circuit protection, IC over temperature protection, power supply over voltage and under voltage protection, etc.The short circuit protection and thermal protection are auto-recoverable.
Speaker protection circuitry includes an adjustable power limiter and a DC detection function.
OB6220 is offered in TSSOP28 package with built-in thermal pad for improved power dissipation.
n15W(10% THD+N) per channel output into 8WLoad at 16V supply
n10W(10% THD+N) per channel output into 8WLoad at 13V supply
n30W(10% THD+N) output into 4WLoad at 16V supply in PBTL mode
n6V to 20V single power supply operation
nFilter-free operation
nProgrammable power limit
nLow shutdown/standby current
nFour selectable gain settings
nExternal shut down control function
nDifferential or single-ended analog inputs
nLCD TVs
nPowered Speakers
nBoombox
