CDB4270 Cirrus Logic Inc, CDB4270 Datasheet - Page 31
![BOARD EVAL FOR CS4270 CODEC](/photos/9/8/90856/cdb4270_sml.jpg)
CDB4270
Manufacturer Part Number
CDB4270
Description
BOARD EVAL FOR CS4270 CODEC
Manufacturer
Cirrus Logic Inc
Datasheet
1.CDB4270.pdf
(50 pages)
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
-100
-110
-120
-130
-140
-150
-100
-110
-100
-110
-120
-130
-140
-150
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-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
100
200
200
200
500
500
500
Hz
Hz
Hz
1k
1k
1k
2k
2k
2k
5k
5k
5k
10k
10k
10k
20k
20k
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
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-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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