CDB4365 Cirrus Logic Inc, CDB4365 Datasheet - Page 2

• Manufacturer Part Number: CDB4365
• Description: EVALUATION BOARD FOR CS4365
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4365

• Number Of Dac's: 6
• Number Of Bits: 24
• Outputs And Type: 6, Differential
• Sampling Rate (per Second): 192k
• Data Interface: Serial
• Dac Type: Voltage
• Voltage Supply Source: Analog and Digital
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS4365
• Description/function: Audio D/A
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4365
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1779

2
TABLE OF CONTENTS
LIST OF FIGURES
1. CS4365 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. CDB4365 SCHEMATICS ..................................................................................................................... 17
10. REVISION HISTORY ......................................................................................................................... 30
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 14.48 kHz Dynamic Range ............................................................................................................ 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
Figure 39.192 kHz, Crosstalk .................................................................................................................... 15
CDB4365
DS670DB3