MC145502P 查看數據表（PDF） - Motorola => Freescale
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MC145502P Datasheet PDF : 28 Pages
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40.0
TYPICAL
35.0
PERFORMANCE
30.0
GUARANTEED
PERFORMANCE
25.0
PSOPHOMETRIC
WEIGHTED
20.0
VDD = + 5 V
15.0
VSS = – 5 V
2048 kHz
10.0
– 60
– 50 – 40
– 30
– 20
– 10
0
INPUT LEVEL PSEUDO NOISE (dBm0)
Figure 11. MC145502 Quantization Distortion
A–Law Transmit
40.0
TYPICAL
35.0
PERFORMANCE
30.0
GUARANTEED
PERFORMANCE
25.0
PSOPHOMETRIC
WEIGHTED
20.0
VDD = + 5 V
15.0
VSS = – 5 V
2048 kHz
10.0
– 60
– 50 – 40
– 30
– 20
– 10
0
INPUT LEVEL PSEUDO NOISE (dBm0)
Figure 12. MC145502 Quantization Distortion
A–Law Receive
70
TYPICAL PERFORMANCE
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
Figure 13. MC145502 Power Supply Rejection
Ratio Positive Transmit VAC = 250 mVrms,
C–Message Weighted
70
TYPICAL PERFORMANCE
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
Figure 14. MC145502 Power Supply Rejection
Ratio Negative Transmit VAC = 250 mVrms,
C–Message Weighted
70
TYPICAL PERFORMANCE
60
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
Figure 15. MC145502 Power Supply Rejection
Ratio Positive Receive VAC = 250 mVrms,
C–Message Weighted
70
60
TYPICAL PERFORMANCE
50
40
30
20
10
0
0 10 20 30 40 50 60 70 80 90 100
FREQUENCY (kHz)
Figure 16. MC145502 Power Supply Rejection
Ratio Negative Receive VAC = 250 mVrms,
C–Message Weighted
MOTOROLA
MC145500•MC145501•MC145502•MC145503•MC145505
15
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