With the improvement of the performance and functions of traditional speakers 2.1 speakers, consumers are increasingly demanding thinner products and power consumption. At present, the mainstream application of the market is to replace the traditional class AB audio amplifier with two class D audio amplifiers TPA3110 (such as TDA2030,TDA7377,STA540, etc.), one of which is stereo. Another PBTL push bass, this application peripheral devices, higher requirements for PCB design, the other two D class power amplifier cost is higher.
    ChipSourceTek now launches CS8611 2X15W+30W single-chip 2.1 channel Class D audio amplifier IC, which can greatly reduce the cost of processing, and advanced EMI processing technology can greatly improve the interference to FM radio; The high cost performance accelerates the popularity of Class D amplifiers in the traditional product form of 2.1 speakers.

    CS8611E is a 2X15W+30W dedicated 2.1 channel Class D audio power amplifier circuit. Advanced EMI suppression technology allows the use of inexpensive magnetic bead filters at the output port to meet EMC requirements. The CS8611E stereo audio power amplifier is designed for systems that require high quality audio power. It uses surface mount technology and requires only a small number of peripheral devices to provide high quality audio output power.
    CS8611E has built-in overcurrent protection, short circuit protection and overheat protection, which effectively protects the chip from being damaged under abnormal working conditions. With a power supply of less than 16.0V, the CS8611E can drive a 4Ω subwoofer and two 8Ω tweeters, and the overall audio subsystem has up to 90% efficiency, making it possible to play music without an additional radiator.
    The CS8611E offers a small EQA28 package for customers to choose from, which can save considerable PCB area for customers, and its rated operating temperature range is -40 ° C to 85 ° C.

Output power

    PO at 10% THD+N, VDD = 16.0V

        RL = 2x8 Ω+4 Ω  2X16W+30W

    PO at 10% THD+N, VDD = 14.0V

        RL = 2x8 Ω+4 Ω  2X12.5W+24W

    PO at 10% THD+N, VDD = 12.0V

        RL =2x8 Ω+4 Ω  2X9.5W+18W

Up to 90% efficiency, no heat sink required
Spread spectrum technique
Integrated 16K input resistor, integrated 640K feedback resistor
The power supply voltage ranges from 5V to 18.5V
Filter free function
Voltages below 16.0V can drive 4Ω subwoofers and 2 8Ω subwoofers
The output pins facilitate the wiring layout
Good short circuit protection and temperature protection with automatic recovery function
Good distortion and anti-puff function
Built-in 20x gain
Differential input

Bluetooth speaker
Home sound system