FX802 Datasheet, PDF (13/14 Pages) Sanyo Semicon Device – DC-DC Converter

Codec Performance
+ 10 _{Gain (dB)}
0
- 10
Input 0dB Ref: = 308mVrms
- 20
Input Level = -20dB
Sample Rates = 16, 32 or 63kb/s
- 30
- 40
- 50
- 60
0 0.2
1
2
Fig.7 Typical Overall (Encoder + Decoder) Frequency Response
0dB
3
4
5
6
Frequency (kHz)
SINAD
(dB)
30
64kb/s
SINAD
(dB)
30
50kb/s
600Hz
20
32kb/s
25kb/s
Input Frequency = 1.0kHz
0dB Ref:
= 308mVrms
Input Level (dB
10
-30
-24
-18
-12
-6
0
Fig.8 SINAD vs Input Level at Differing Sample Rates
20
1000Hz
Sample Rate = 32kb/s ^1500Hz
0dB Ref:
= 308mVrms
Input Level (dB)
10
-30
-24
-18
-12
-6
0
Fig.9 SINAD vs Input Level at Differing Frequencies
+ 10 _{Gain (dB)}
0
- 10
Input 0dB Ref: = 308mVrms
- 20
Input Level = -20dB
Sample Rates = 25 or 50kb/s
- 30
- 40
- 50
- 60
0 0.2
1
2
Fig.10 Typical Overall (Encoder + Decoder) Frequency Response
13
0dB
3
4
5
6
Frequency (kHz)