[ALESIS]

General Description

The AL1201 stereo DAC is a high performance 24-bit digital to analog audio converter. Dynamic range is 107dB (A weighted). The sensible pinout and easy user interface are unprecedented. The part contains an internal high quality phase locked loop that eliminates the need for external high frequency clocks.

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 ∆-Σ modulator

❐ 2nd order switched cap filter and 2nd order continuous-time filter on chip

❐ sample rate variable 24kHz-55kHz

❐ selectable deemphasis (15us/50µs at Fs=44.1kHz)

❐ total power consumption 170mW (Fs=48kHz)

❐ internal PLL derives all necessary timing signals from external Fs clock

❐ serial input bit-rate, selectable 32/24 bits/frame

❐ full scale differential output = +/-4V ([OUT+]-[OUT-])

❐ 5V operation