Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

The MAX98397EWB+T is a high-efficiency, mono Class DG speaker amplifier with industry-excellent quiescent power consumption, integrated speaker current and voltage sense (IVSENSE), power-down protection engine (BPE), and dynamic margin tracking (DHT). The device also facilitates ultrasonic applications by supporting sampling rates up to 192kHz, higher passbands (for fS > 50kHz) and providing a bypass path for ultrasonic signals passing through the amplifier so that they are not attenuated by audio processing. With high precision output current monitoring (ISENSE) and voltage monitoring (VSENSE), the host device is able to run loudspeaker protection algorithms. Spread Spectrum Modulation (SSM) and Edge Rate Control fully reduces EMI and eliminates the need for output filtering as in traditional Class D devices.

Features

Wide input supply range (3V to 28V)

Class DG operation for industry-leading static power consumption

21mW (VPVDD = 20V, VVBAT = 3.8V)

25.3mW (at VPVDD = 24V, VVBAT = 5.0V)

Ultra Low Noise Floor

21.5μVRMS output noise

117.8dB dynamic range

Low Distortion

-85dB THD+N (at f = 1kHz when supplying 3W of power to an 8Ω load)

-85dB THD+N (f = 1kHz for 6W of power to a 4Ω load)

-80dB THD+N (f = 6kHz when supplying 1W of power to an 8Ω load, FSW = 650kHz)

Output Power:

42W for 8Ω loads, VPVDD = 28V, THD+N = 1%

26W for 4Ω load, VPVDD = 16V, THD+N = 1%

51W for 8Ω load with VPVDD = 28V, THD+N = 10%

Provides 100W peak output power for 4Ω load, VPVDD = 28V

Speaker amplifier efficiency:

83% (delivering 1W of power to an 8Ω load, VPVDD = 24V)

Peak Efficiency: 93% (VPVDD = 24V for 8Ω)

81% (VPVDD = 24V when supplying 1W of power to a 4Ω load)

Peak efficiency: 90% (VPVDD = 24V at 4Ω)

Class D EMI reduction feature enables filterless operation

Spread spectrum modulation and switching edge rate control

Integrated speaker current and voltage detection requires no external components

Flexible power-down protection engine

I2S/16-channel TDM and I2C digital interfaces

Playback support for 16-, 24- and 32-bit data words

Playback and IV paths support sample rates up to 192kHz

Audio processing bypass path

Dynamic margin tracking (DHT) for a consistent listening experience

Extensive noise suppression

35-pin WLP (0.4mm pitch)

Applications

Mobile speakers and smart speakers

Tablet, laptop and desktop computers

Bar speakers

Smart Internet of Things

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.