CDB4349 Cirrus Logic Inc, CDB4349 Datasheet - Page 7

• Manufacturer Part Number: CDB4349
• Description: BOARD EVAL FOR CS4349
• Manufacturer: Cirrus Logic Inc
• Series: Popguard®r

Specifications of CDB4349

• Number Of Dac's: 2
• Number Of Bits: 24
• Outputs And Type: 2, Single Ended
• Sampling Rate (per Second): 192k
• Data Interface: Serial
• Dac Type: Voltage
• Voltage Supply Source: Single
• Operating Temperature: -40°C ~ 85°C
• Utilized Ic / Part: CS4349
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

DS782DB1
10.PERFORMANCE PLOTS
Test conditions (unless otherwise specified): T
VA = 5 V; VLC = VLS = 3.3 V; Input signal is a 0 dBFS 1 kHz sine wave; Input data resolution is 24 bits, Left-Justi-
fied; Channel A output = blue traces; Channel B output = green traces.
B
A
d
B
A
d
r
r
B
A
d
r
Figure 5. Frequency Response 0 dBFS, FS = 48 kHz
-100
-110
-120
-130
-140
-150
-100
-110
-120
-130
-140
-150
-10
-20
-30
-40
-50
-60
-70
-80
-90
+5
+4
+3
+2
+1
+0
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-1
-2
-3
-4
-5
+0
20
20
20
Figure 3. FFT No Input, FS = 48 kHz
Figure 1. FFT 0 dBFS, FS = 48 kHz
50
50
50
100
100
100
200
200
200
500
500
500
Hz
Hz
Hz
1k
1k
1k
2k
2k
2k
5k
5k
5k
A
10k
10k
10k
= 25° C; Measurement bandwidth is 20 Hz to 20 kHz (unweighted);
20k
20k
20k
d
B
A
B
A
r
d
r
d
B
A
r
-100
-110
-120
-130
-140
-150
-100
-110
-120
-130
-140
-150
Figure 6. THD+N vs Frequency 0 dBFS, FS = 48 kHz
-100
-110
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
20
Figure 4. FFT No Input Out of Band, FS = 48 kHz
20
Figure 2. FFT -60 dBFS, FS = 48 kHz
50
50
20k
100
100
200
40k
200
500
500
Hz
60k
Hz
Hz
1k
1k
80k
2k
2k
CDB4349
5k
5k
100k
10k
10k
120k
20k
20k
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