USB audio, USB sound card scheme
1. Description
ATE1133 is a contains audio codec, HIFI level single microphone input and output stereo headset solution, internal integration modules, including high speed & amp; Full speed USB Host/Device transceiver (PHY), the ARM?? Architecture? - the M4? 32 - bit? MCU kernel frequency 96 MHZ, 16 bit ADC sampling rate: just 48 KHZ, 16 bit DAC sampling rate: just 48 KHZ, support the standard android headphones line control button control, support the standard CTIA with headphones plug detection, it is very suitable for USB Type C desktop expansion dock, audio data HUB, video conference, headphones, Type - C C audio adapter, USB communications headset, USB car AUX audio line application, moreover also supports online debugging PC Windows PC software interface simulation and update on chip flash,
2. The characteristics of
, in accordance with USB 2.0 run at full speed
, conform to the USB AUDIO & amp; HID device class specification
Support, Headset model
Who support Microphone mode
, support the Speaker mode
Support hardware Settings, three kinds of mode switch
Support the balance of the vocal tract,
The microphone Audio - ADC parameters:
48 cell KHZ sampling rate:
A wide: 16 bit
THD + N=0.005%
SNR 98 or
Bias voltage: 3 v
Stereo headphone output Audio - DAC parameters:
48 cell KHZ sampling rate:
A wide: 16 bit
THD + N=0.003% (RL=32 Ω)
RL=1.6 V output swing
35 mw direct-drive 16/32 Ω headphones, maximum power
Built-in ARM core, low power consumption, run at full speed power consumption=3.3 V @ 18 ma, power consumption 0.06 mW
Support drive-by-wire headphones mode: a song, a song, play/pause, click the volume to add and subtract, long press the volume continuously add and subtract
Single chip power supply: 3.3 ~ 5 v - MAX
, 32 stitches QFN32 4 x4 encapsulation