South Korea's NF (Naifu) NTP8928, represented by Gongcai.com, is a built-in DSP dual-channel Class D audio power amplifier chip . The chip integrates multi-functional digital audio signal processing functions, high performance, high-fidelity full digital PWM modulator and two High power full bridge MOSFET.
The chip's operating voltage range: 5V ~ 28V ; 2-channel stereo (20W x 2 BTL) adopts QFN40 package; 8-ohm speaker output efficiency can reach more than 90%; 2*16-segment adjustable PEQ , truly improves sound quality; with IIS SDATA feedback output. Expanding application circuits is simpler.
The chip is equipped with a complete protection mechanism, and has noise reduction technology, 3D surround, ASRC and other functions ; the extremely wide power band and extremely high conversion rate make the sound warm and soft and more durable.
South Korea's NF (Naifu) has been established for more than 20 years; it has been focusing on the independent research and development of digital audio chips for many years. It has a group of global high-end IC design experts and sound effect algorithm experts, and its product brands are highly regarded by the older generation of engineers. recognition, and has always been favored by local Korean companies Samsung and LG; nearly 80% of the audio and video electronic products of Samsung and LG use Korean NF chip products and are sold around the world.
characteristic:
◆2-channel stereo (20W x 2 BTL)
◆Working power supply voltage range: 5V～28V
◆SDATA Generator (I2S output)
◆Floating point operations
◆32 programmable dual four-component filters:
-Speaker compensation
-Low pass filter, high pass filter, DC cut-off
-Advanced parametric equalizer
◆IBB (Intelligent Bass Boost)
◆3-band dynamic range control; DRC control; volume control
◆Protection circuit:
-OCP (over current protection)
-OTP (over temperature protection)
-UVP (low voltage protection)
Vol/Soft Mute/Power Meter/NS Noise Reduction
◆Smart PWM switch on/off
Pin description:
More and more OEMs, ODMs and IDH use Korean NF audio digital power amplifier chips; Naif power amplifiers are closer to the domestic market demand and provide customers with comprehensive technical support. The products are very suitable for home theater projectors, smart speakers, TVs, Portable electronic products, the best choice for DIY