CDB4270 Cirrus Logic Inc, CDB4270 Datasheet - Page 35

• 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
d
B
A
d
B
A
B
A
r
d
r
r
-100
-110
-100
-110
-120
-130
-140
-150
+40
+35
+30
+25
+20
+15
+10
Figure 61. 192 kHz, Fade-to-Noise Linearity
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-15
-20
-25
-30
-35
-40
-10
-20
-30
-40
-50
-60
-70
-80
-90
+5
+0
+0
+0
Figure 59. 192 kHz, THD+N vs. Input Freq
-5
-140
20
T TTTT TTT TTTT TTTT T T TT
T T T TT T TT T TT T TT
20
Figure 63. 192 kHz, Crosstalk
50
-120
50
100
100
T
-100
200
200
-80
500
500
dBFS
Hz
Hz
1k
-60
1k
2k
2k
-40
5k
5k
-20
10k
10k
20k
20k
+0
V
d
B
A
B
A
r
d
r
-250m
-500m
-750m
750m
500m
250m
-1.25
-1.75
1.75
1.25
-100
-110
-1.5
1.5
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
+5
+4
+3
+2
+1
+0
-1
-2
-120
-1
-2
-3
-4
-5
2
1
0
0
20
Figure 62. 192 kHz, Frequency Response
Figure 64. 192 kHz, Impulse Response
Figure 60. 192 kHz, THD+N vs. Level
50
-100
100
200u
-80
200
500
dBFS
sec
-60
Hz
400u
1k
-40
2k
CDB4270
600u
5k
-20
10k
20k
+0
35