Huawei Type C digital headset adapter board

2020-12-11 17:26:39

Features


Type C digital headphones that support Apple iPAD pro, Apple Type C notebook digital headphones, Huawei Type C digital headphones, Xiaomi Type C digital headphones, Google Type C digital headphones, HTC Type C digital headphones, ZTE Type C digital headphones, Lenovo Type C Digital headset, Nokia Type C digital headset, Sony Type C digital headset, Nubia Type C digital headset, Samsung Type C digital headset




1. USB2.0 data transmission, in line with USB audio protocol.




2. Digital signal stereo headset.




3. Support 8KHz, 16KHz, 24KHz, 32KHz, 44.1KHz, 48KHz and 96KHz sampling frequency.




4. Support multiplexing microphone signal line as wire control, compatible with Android wire control headset protocol.




5. Devices such as smartphones, tablets and laptops that support USB Type-C interface.




6. Ultra-small PCB design L*W*T (9.0*8.05*0.9mm), total size 21.0*8.4*3.75mm




7. Ultra-low power consumption, in sleep mode, the quiescent current is less than 1mA




 




Introduction


A314 is a digital USB2.0 Type-C stereo audio decoding headphone solution. Built-in stereo digital audio codec chip, up to 24bit, two-way 48KHz sampling frequency audio ADC/DAC. Less distortion, better sound effect. The most integrated Type-C digital headset solution supports the microphone signal line as a wire control input and is compatible with the impedance check protocol of Andriod wire control headphones. The ultra-miniature design, the PCB area is only (9.0*8.0mm), which is convenient for packaging, and the appearance is small and beautiful. Good compatibility, matching the impedance range of most audio equipment. The mobile phone that supports Type-C interface listens to music function.




 








Technical index


Working characteristics (based on test headset)


project description


Match earphone impedance


16 ~ 32Ω


Upstream interface USB 2.0 Type-C


Frequency range 20-20KHz


Digital audio decoder supports up to 48KHz/24bit


Signal to Noise Ratio (SNR)@1KHz


92dB Typ






THD+N @1KHz 700mV


-84dB Typ, -70dB max




 




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