AL1201 General Description
The AL1201 stereo DAC is a high performance 24-bit digital to analog audio converter. Dynamic range is 107dB (Aweighted). The sensible pinout and easy user interface are unprecedented. The part contains an internal high quality phaselocked loop that eliminates the need for external high frequency clocks.
AL1201 Features
24 bit conversion
107dB dynamic range (A-wt)
003% THD at full scale output
linear phase analog outputs
128x over sampling, 5th order 1 bit D-S modulator
2nd order switched cap filter and 2nd order continuous-time filter on chip
sample rate variable 24kHz-55kHz
selectable deemphasis (15us/50ms at Fs=44.1kHz)
total power consumption 170mW (Fs=48kHz)
internal PLL derives all necessary timing signals fromexternal Fs clock
serial input bit-rate, selectable 32/24 bits/frame
full scale differential output = +/-4V ([OUT+]-[OUT-])
5V operation
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