PCB board and parts for DAC based on AD1853...
I have for sale PCB board for DAC based on AD1853 from Analog Device. This DAC use AD1853 chip with AD8138 diffamps in I/U converter. Using HF differential amplifiers in I/U converter ensures the high CMRR in comparison with standard opamp schematic from datasheet, that provides clear and detail sounding. The lowpass filter is made on AD8610 opamp, buffered by AD811 to eliminate cable capacitance influence. This DAC has SPDIF COAX/TOSLINK interface (CS8416 receiver) and also may served as master clock source for CD transport (synchronous SPDIF mode). AD1853 may clocked by Gollege GXO-U100 oscillator with extremelly low jitter (about 5-7 ps) or by clock recovered from SPDIF. Clock sources are switched by OMRON relay with very low contact capacitance.
PCB board price 25 EUR. Delivery to all country 5 EUR
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