威尔科思
品牌
DIP8、 SOP8、 TSSOP8、 MSOP8
封装
VC3110
批号
用于驱动桥接负载(BTL)配置驱动立体声扬声器
产品说明
谈向阳
主营: 集成电路 | 原型开发产品配件
广东省深圳市
VC3110 is a Class-D audio power amplifier for driving stereo speakers in bridged-tied load (BTL) configuration. Advanced EMI Suppression Technology enables
the use of inexpensive ferrite bead filters at the outputs while meeting
EMC requirements. Speaker protection circuitry includes an adjustable power limiter and a DC detection circuit. The adjustable power limiter allows the user
to set a "virtual" voltage rail lower than the chip supply to limit the
amount of current through the speaker. The DC detect circuit measures the frequency
and amplitude of the PWM signal and shuts off the output stage if the
input capacitors are damaged or shorts exist on the inputs. The VC3110 can drive stereo speakers as low as 4Ω. The high efficiency of the VC3110, 87%, eliminates the need for an external heat sink when playing music. The outputs are also fully protected against
shorts to GND, VCC, and output-to-output. The short-circuit protection
and thermal protection includes an auto-recovery feature.
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