2

DS

837DB1

CDB4385

A

TABLE OF CONTENTS

1. CS4385

A DIGITAL-TO-ANALOG CONVERTER .................................................................................. 4

2. CS8416 DIGITAL AUDIO RECEIVER .................................................................................................... 4

3. INPUT FOR CLOCKS AND DATA ......................................................................................................... 4

4. INPUT FOR CONTROL DATA ............................................................................................................... 4

5. POWER SUPPLY CIRCUITRY ............................................................................................................... 5

6. GROUNDING AND POWER SUPPLY DECOUPLING .......................................................................... 5

7. ANALOG OUTPUT FILTERING ............................................................................................................. 5

8. PERFORMANCE PLOTS ....................................................................................................................... 7

9. SCHEMATICS ..................................................................................................................................... 17

10. ERRATA ............................................................................................................................................. 31

11. REVISION HISTORY ......................................................................................................................... 31

LIST OF FIGURES

Figure 1.FFT (48 kHz, 0 dB) ....................................................................................................................... 7

Figure 2.FFT (48 kHz, -60 dB) .................................................................................................................... 7

Figure 3.FFT (48 kHz, No Input) ................................................................................................................. 7

Figure 4.FFT (48 kHz Out-of-Band, No Input) ............................................................................................. 7

Figure 5.FFT (48 kHz, -60 dB Wideband) ................................................................................................... 8

Figure 6.FFT (IMD 48 kHz) ......................................................................................................................... 8

Figure 7.48 kHz, THD+N vs. Input Freq ...................................................................................................... 8

Figure 8.48 kHz, THD+N vs. Level ............................................................................................................. 8

Figure 9.48 kHz, Fade-to-Noise Linearity ................................................................................................... 8

Figure 10.48 kHz, Frequency Response ..................................................................................................... 8

Figure 11.48 kHz, Crosstalk ........................................................................................................................ 9

Figure 12.48 kHz, Impulse Response ......................................................................................................... 9

Figure 13.48 kHz, Impulse Prefilter ............................................................................................................. 9

Figure 14.Dynamic Range 48 kHz ............................................................................................................ 10

Figure 15.FFT (96 kHz, 0 dB) ................................................................................................................... 10

Figure 16.FFT (96 kHz, -60 dB) ................................................................................................................ 10

Figure 17.FFT (96 kHz, No Input) ............................................................................................................. 11

Figure 18.FFT (96 kHz Out-of-Band, No Input) ......................................................................................... 11

Figure 19.FFT (96 kHz, -60 dB Wideband) ............................................................................................... 11

Figure 20.FFT (IMD 96 kHz) ..................................................................................................................... 11

Figure 21.96 kHz, THD+N vs. Input Freq .................................................................................................. 11

Figure 22.96 kHz, THD+N vs. Level ......................................................................................................... 11

Figure 23.96 kHz, Fade-to-Noise Linearity ............................................................................................... 12

Figure 24.96 kHz, Frequency Response ................................................................................................... 12

Figure 25.96 kHz, Crosstalk ...................................................................................................................... 12

Figure 26.96 kHz, Impulse Response ....................................................................................................... 12

Figure 27.96 kHz, Impulse Prefilter ........................................................................................................... 12

Figure 28.Dynamic Range 96 kHz ............................................................................................................ 13

Figure 29.FFT (192 kHz, 0 dB) ................................................................................................................. 13

Figure 30.FFT (192 kHz, -60 dB) .............................................................................................................. 13

Figure 31.FFT (192 kHz, No Input) ........................................................................................................... 14

Figure 32.FFT (192 kHz Out-of-Band, No Input) ....................................................................................... 14

Figure 33.FFT (192 kHz, -60 dB Wideband) ............................................................................................. 14

Figure 34.FFT (IMD 192 kHz) ................................................................................................................... 14

Figure 35.192 kHz, THD+N vs. Input Freq ................................................................................................ 14

Figure 36.192 kHz, THD+N vs. Level ....................................................................................................... 14

Figure 37.192 kHz, Fade-to-Noise Linearity ............................................................................................. 15

Figure 38.192 kHz, Frequency Response ................................................................................................. 15