CS4338-BS Cirrus Logic Inc, CS4338-BS Datasheet - Page 19

• Manufacturer Part Number: CS4338-BS
• Description: D/A Converter (D-A) IC
• Manufacturer: Cirrus Logic Inc

Specifications of CS4338-BS

• No. Of Pins: 8
• No. Of Bits: 24 Bit
• Mounting Type: Surface Mount
• Interface Type: Serial
• Package / Case: 8-SOIC

4.10 Base Rate Mode Performance Plots
DS248PP3
d
B
A
r
-110
-100
-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
r
r
-100
-110
-120
-130
-140
-100
-110
-120
-130
-140
-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
Figure 27. Idle Channel Noise FFT (BRM)
+0
+0
-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
+0
Figure 29. THD+N vs. Amplitude (BRM)
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
+ 0
+ 0
-50
2k
2k
Figure 25. 0 dBFS FFT (BRM)
2k
-50
2k
2k
2k
(16k FFT of a 1 kHz input signal)
4k
4k
4k
4k
(16k FFT with no input signal)
4k
4k
-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
-20
12k
12k
14k
14k
14k
14k
14k
14k
-10
-10
16k
16k
16k
16k
16k
16k
System Two Cascade.
18k
18k
18k
18k
18k
18k
+0
+0
20k
20k
20k
20k
20k
20k
20k
(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
-90
-100
-110
-70
-80
B
A
+0
(THD+N plots measured using a 1kHz 24-bit dithered input signal)
d
r
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
+0
-100
-110
-120
-130
-140
-100
-110
-120
-130
-140
-10
-20
-30
-40
-50
-60
-70
-80
-90
+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
-100
-110
-120
-130
-140
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-100
-110
-120
-130
-140
+0
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
+ 0
+0
Figure 30. THD+N vs. Frequency (BRM)
Figure 28. Twin Tone IMD FFT (BRM)
2k
Figure 26. -60 dBFS FFT (BRM)
50
2k
50
2k
50
2k
2k
2k
100
4k
100
100
4k
4k
4k
4k
4k
(16k FFT of a 1 kHz input signal)
200
6k
200
6k
200
6k
6k
6k
6k
8k
8k
8k
8 k
8k
8k
500
500
500
Hz
Hz
Hz
CS4334/5/6/7/8/9
10k
10k
10k
Hz
10k
10k
Hz
H z
Hz
10k
Hz
Hz
1k
1k
1k
12k
12k
12k
12k
12k
12k
2k
2k
2k
14k
14k
14k
14k
14k
14k
5k
5k
5k
16k
16k
1 6k
16k
16k
16k
10k
10k
10k
18k
18k
18k
18k
18k
18k
20k
20k
20k
20k
20k
20k
20k
20k
20k
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