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AK4686 Datasheet(PDF) 1 Page - Asahi Kasei Microsystems |
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AK4686 Datasheet(HTML) 1 Page - Asahi Kasei Microsystems |
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1 / 39 page  [AK4686] MS1243-E-01 2010/10 - 1 - GENERAL DESCRIPTION The AK4686 is a single chip audio CODEC that includes one stereo ADC and two stereo DACs in addition to the input selector and the line drivers. The interfaces of ADC/DAC can accept up to 24bit input data and support asynchronous operation. Both the input stereo selector and output drivers support ground reference I/O to remove AC-coupling capacitors and reducing external parts. The AK4686 has a dynamic range of 96dB for ADC, 100dB for DAC, and it is well suitable for digital TV and Home theater systems. FEATURES Asynchronous Operation between Port 1(ADC and DAC1) and Port 2 (DAC2) 6:1 Capless Stereo Line Input Selector 24bit Stereo ADC - 64x Oversampling - Sampling Rate up to 48kHz - Linear Phase Digital Anti-Alias Filter - S/(N+D): 88dB - Dynamic Range, S/N: 96dB - Digital HPF for Offset Cancellation 24bit Two Stereo DAC - 128x Oversampling - Sampling Rate up to 192kHz - 24bit 8 times Digital Filter - S/(N+D): 88dB - Dynamic Range, S/N: 100dB - De-emphasis Filter - Analog Soft Mute High Jitter Tolerance TTL Level Digital I/F External Master Clock Input: 256fs, 384fs, 512fs 768fs (fs=32kHz ∼ 48kHz) 128fs, 192fs, 256fs 384fs (fs=64kHz ∼ 96kHz) 128fs, 192fs (fs=128kHz ~ 192kHz) 2 Audio Serial I/F (PORT1, PORT2) - Master/Slave mode (PORT1) - I/F format PORT2: MSB, LSB justified (16/24 bit), I2S PORT1: MSB, LSB justified (16/24 bit), I2S I 2C Bus μP I/F for mode setting Operating Voltage: - Digital I/O: 3.0V ∼ 3.6V - Charge Pump: 3.0V ∼ 3.6V - Analog: 3.0V ∼ 3.6V Package: 48pinLQFP AK4686 Multi-channel CODEC with Capless Stereo Selector |
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