cs4334-35-38-39 Cirrus Logic, Inc., cs4334-35-38-39 Datasheet - Page 20

• Manufacturer Part Number: cs4334-35-38-39
• Description: 8-pin, 24-bit, 96 Khz Stereo D/a Converters
• Manufacturer: Cirrus Logic, Inc.

20
4.10
B
A
d
r
-100
-110
-100
-110
-60
-70
-80
-90
All measurements were taken from the CDB4334 evaluation board using the Audio Precision Dual Domain
-60
-70
-80
-90
(THD+N plots measured using a 1kHz 24-bit dithered input signal)
-60
-60
d
B
A
d
B
A
Figure 25. Idle Channel Noise FFT (BRM)
r
r
-100
-110
-120
-130
-140
-100
-110
-120
-130
-140
Figure 27. THD+N vs. Amplitude (BRM)
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
-100
-110
-120
-130
-140
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
-100
-110
-120
-130
-140
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
+ 0
+ 0
Base Rate Mode Performance Plots
Figure 23. 0 dBFS FFT (BRM)
-50
2k
2k
2k
-50
2k
2k
2k
(16k FFT of a 1 kHz input signal)
4k
4k
4k
4k
4k
4k
(16k FFT with no input signal)
-40
-40
6k
6k
6k
6k
6k
6k
8k
8k
8k
8k
8k
8k
dBFS
dBFS
-30
-30
10k
10k
Hz
10k
10k
Hz
Hz
Hz
10k
10k
Hz
Hz
12k
12k
12k
-20
12k
12k
-20
12k
14k
14k
14k
14k
14k
14k
-10
-10
16k
16k
16k
16k
16k
16k
System Two Cascade.
Confidential Draft
18k
18k
18k
18k
18k
18k
+0
+0
20k
20k
20k
20k
20k
20k
20k
3/11/08
(16k FFT of intermodulation distortion using 13 kHz and 14 kHz input signals)
d
B
A
r
-100
-110
B
A
d
r
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
(THD+N plots measured using a 1kHz 24-bit dithered input signal)
d
B
A
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
r
-100
-110
+0
-100
-110
-120
-130
-140
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
20
-100
-110
-120
-130
-140
20
20
+0
+0
-90
-1 00
-1 10
-1 20
-1 30
-1 40
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
Figure 28. THD+N vs. Frequency (BRM)
-100
-110
-120
-130
-140
+0
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+ 0
Figure 26. Twin Tone IMD FFT (BRM)
Figure 24. -60 dBFS FFT (BRM)
2k
50
50
2k
2k
2k
50
2k
2k
100
4k
100
4k
100
4k
4k
4k
4 k
(16k FFT of a 1 kHz input signal)
200
6k
200
6k
200
6k
6k
6k
6k
8k
8k
8k
8k
8k
8k
500
500
500
Hz
Hz
Hz
10k
10k
10k
Hz
Hz
10k
10k
10k
Hz
H z
Hz
Hz
1k
1k
1k
12k
12k
12k
12 k
12k
12k
2k
2k
2k
CS4334/5/8/9
14k
14k
1 4k
14k
14k
14k
5k
5k
5k
16k
16k
16k
16k
16k
16k
10k
10k
10k
18 k
18k
18k
18k
18k
18k
DS248F5
20k
20k
20k
20k
20k
20k
20k
20k
20k