16-bit 2-channel 25 kHz bandwidth delta-sigma stereo, audio DAC

Delta-sigma stereo, audio DAC contains: reference voltage, control logic, digital buffers I2S interface (ws, sd, sck, gpio), two identical channels L and R: 2-order delta-sigma modulator, current steering DAC, low pass filter, analog buffer. Delta-sigma stereo, audio DAC requires 2.8 ÷3.6 V analog supply, 1.62 ÷ 1.98 V digital supply, reference current 4.95 ÷ 5.05 uA, input clock with duty cycle 45 ÷ 55 %. Delta-sigma stereo, audio DAC supports standby mode. There is the ability to configure the operating modes of the delta-sigma stereo, audio DAC with digital registers: register mode<2:0> controls the modes of the delta-sigma stereo, audio DAC and I2S interface (sd, ws), register mode_sck<2:0> controls the modes of I2S interface (sck), register mode_gpio<2:0> controls the modes of I2S interface (gpio). There is the ability to configure current consumption of the delta-sigma stereo, audio DAC with digital register: register adj_idc_buff<3:0> adjusts current of the analog buffer, register adj_idc_cs<3:0> adjusts current of the current steering DAC, register adj_idc_lpf<4:0> adjusts current of the low pass filter, signal enrc adjusts current of current steering DAC changing linearity of the current steering DAC.
Register adj_idc_cs<3:0> is also controls output voltage peak to peak.

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