CDB42L55 Cirrus Logic Inc, CDB42L55 Datasheet - Page 21

• Manufacturer Part Number: CDB42L55
• Description: Eval Bd Ultra Low Power Stereo Codec
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42L55

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42L55
• Primary Attributes: 2 Stereo Analog Inputs, Stereo Line and Headphone Outputs, S/PDIF Transmitter and Receiver
• Secondary Attributes: GUI, USB, RS232, I2C Interfaces, USB or External or Battery Power Supply
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 598-1506; CDB-42L55

DS773DB1
B
A
d
r
d
B
A
d
B
A
r
r
Figure 20. THD+N vs. Volume - Digital In to HP Out
Figure 22. FFT - Digital In to HP Out @ -60 dBFS
Figure 24. Freq. Response - Digital In to HP Out
-100
-105
-110
-115
-120
-100
-120
-140
-60
-65
-70
-75
-80
-85
-90
-95
+3
+2
+1
+0
-20
-40
-60
-80
+0
-1
-2
-3
-50
20
20
50
50
-40
100
100
Master Volume
200
200
(Digital)
-30
500
500
dBr A
Hz
Hz
Headphone Volume
1k
1k
-20
(Analog)
2k
2k
5k
5k
-10
10k
10k
20k
20k
+0
Figure 25. Fade-to-Noise Linearity- Digital In to HP Out
B
A
d
B
A
r
d
r
B
A
d
r
Figure 21.
Figure 23. FFT - Digital In to HP Out - no input
-100
-120
-140
-100
-120
-140
-20
-40
-60
-80
-20
-40
-60
-80
+0
+40
+30
+20
+10
+0
-10
-20
-30
-40
+0
20
20
-125
50
50
FFT - Digital In to HP Out @ 0 dBFS
100
100
-100
200
200
500
500
-75
Hz
dBFS
Hz
1k
1k
2k
-50
2k
CDB42L55
5k
5k
-25
10k
10k
20k
20k
+0
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