AC101 I2S/PCM Audio Interfaces Stereo CODEC with Capless Headphone Drivers for Portable Audio Applications
■AC101 is a highly integrated audio codec designed for player and tablet application platforms. It has one I2S/PCM interface, 2 channel DAC and 2 channel ADC with a high level of mixed-signal integration.
An integrated digital PLL supports a large range of input/output frequencies, and It can generate required audio clocks for codec from standard audio crystal rate such as 22.5792MHz and 24.576MHz, also can be from common reference clock frequencies. The 2 ADC and 2 DAC in device use advanced mult 卜 bit delta-sigma modulation technique to convert data between analog and digital . The SNR performance can reach 100 dB A-wight.
■Three analog input paths allow diverse analog audio sources such as two sets of differential microphone, one differential or single-ended linein or stereo FM input.
■One ground-reference headphone output is provided. The output amplifier are powered from an integrated Charge Pump in order to achieve a higher quality, less power consumption in headphone playback, whist without any DC blocking capacitor and avoiding unwanted noise.
■Two stereo differential speaker output is available by using an external amplifier to drive the loud-speaker. It can also be configured as single-ended output pin for some application of external single-ended amplifier.
■AC101 is controlled through TWI (2-wire serial interface ) or RSB(reduced serial bus). It only works in the slave mode .
■DRC function provide an useful digital sound processing capability in DAC playback path. It is used to attenuate the peak signals and boost the low-level.
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I2S/PCM Audio Interfaces Stereo CODEC 、 highly integrated audio codec |
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[ Box ][ Tablets ][ Player ][ recorder ][ WiFi speaker ] |
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Datasheet |
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Please see the document for details |
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QFN |
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English Chinese Chinese and English Japanese |
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2016/12/30 |
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Revision 0.7 |
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231 KB |
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