Texas Instruments LM4953 Evaluation Board LM4953SDBD/NOPB LM4953SDBD/NOPB Datenbogen
Produktcode
LM4953SDBD/NOPB
-80
-60
PSR
R
(d
B)
FREQUENCY (Hz)
100
10
-40
-10
0
100k
10k
1k
-50
-30
-20
-70
-80
-60
PSR
R
(d
B)
FREQUENCY (Hz)
100
10
-40
-10
0
100k
10k
1k
-50
-30
-20
-70
-80
-60
PSR
R
(d
B)
FREQUENCY (Hz)
100
10
-40
-10
0
100k
10k
1k
-50
-30
-20
-70
-80
-60
PSR
R
(d
B
)
FREQUENCY (Hz)
100
10
-40
-10
0
100k
10k
1k
-50
-30
-20
-70
0.001
0.01
T
H
D
+N
(%
)
OUTPUT VOLTAGE SWING (Vrms)
1
0.5
3.0
0.1
1
10
4.0
3.5
2.5
2.0
1.5
4.5 5.0
6.0
5.5
0.001
0.01
T
H
D
+N
(%
)
OUTPUT VOLTAGE SWING (Vrms)
2
1
6
0.1
1
10
7
5
4
3
SNAS299E – SEPTEMBER 2005 – REVISED FEBRUARY 2006
Typical Performance Characteristics (continued)
THD+N vs Output Voltage
THD+N vs Output Voltage
V
DD
= 3.6V, f = 1kHz, Z
L
= 2
μ
F+30
Ω
V
DD
= 4.2V, f = 1kHz, Z
L
= 2
μ
F+30
Ω
Figure 9.
Figure 10.
PSRR vs Frequency
PSRR vs Frequency
V
DD
= 2V, Z
L
= 2
μ
F+30
Ω
V
DD
= 3V, Z
L
= 2
μ
F+30
Ω
Figure 11.
Figure 12.
PSRR vs Frequency
PSRR vs Frequency
V
DD
= 3.6V, Z
L
= 2
μ
F+30
Ω
V
DD
= 4.2V, Z
L
= 2
μ
F+30
Ω
Figure 13.
Figure 14.
Copyright © 2005–2006, Texas Instruments Incorporated
7
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