CDB4270 Cirrus Logic Inc, CDB4270 Datasheet - Page 31

• Manufacturer Part Number: CDB4270
• Description: BOARD EVAL FOR CS4270 CODEC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4270

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS4270
• Primary Attributes: Stereo, 24-Bit, 192 kHz Sample Rate
• Secondary Attributes: I²S, S/PDIF Inputs and Outputs, Analog Inputs and Outputs, GUI
• Description/function: Audio CODECs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS4270
• 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: 598-1002

DS686DB3
9. DAC PERFORMANCE PLOTS
B
A
B
A
B
A
d
d
d
r
r
r
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-110
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-90
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-20
-30
-40
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-60
-70
-80
-90
+0
+0
+0
20
Figure 39. 48 kHz, THD+N vs. Input Freq
20
20
Figure 37. FFT (48 kHz, No Input)
Figure 35. FFT (48 kHz, 0 dB)
50
50
50
100
100
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500
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500
Hz
Hz
Hz
1k
1k
1k
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10k
10k
10k
20k
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20k
d
B
A
B
A
r
d
B
A
d
r
r
Figure 38. FFT (48 kHz Out-of-Band, No Input)
-100
-110
-120
-130
-140
-150
-100
-110
-120
-130
-140
-150
-100
-110
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-20
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-90
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-20
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-90
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
+0
-120
20
Figure 40. 48 kHz, THD+N vs. Level
Figure 36. FFT (48 kHz, -60 dB)
50
20k
-100
100
40k
200
-80
500
60k
dBFS
Hz
Hz
-60
1k
80k
-40
2k
CDB4270
5k
100k
-20
10k
120k
20k
+0
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