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0.001
10
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20k50 100 200 500 1k 2k 5k 10k
0.4 w
0.28 w
f - 频率 - hz
thd+n - total 调和的 扭曲量 + 噪音 - %
V
DD
= 2.5 v,
R
L
= 4
Ω
,
,
C
(绕过)
= 0 至 1
µ
f,
增益 = 1 v/v,
C
I
= 2
µ
F
0.001
10
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20k50 100 200 500 1k 2k 5k 10k
f - 频率 - hz
thd+n - total 调和的 扭曲量 + 噪音 - %
0.1 w
0.6 w
0.25 w
V
DD
= 3.6 v,
R
L
= 8
Ω
,
,
C
(绕过)
= 0 至 1
µ
f,
增益 = 1 v/v,
C
I
= 2
µ
F
f - 频率 - hz
+0
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
20 20k50 100 200 500 1k 2k 5k 10k
k
SVR
- 供应 voltage 拒绝 比率 - db
V
DD
= 3.6 v
V
DD
= 2.5 v
V
DD
= 5 v
R
L
= 4
Ω
,
,
C
(绕过)
= 0.47
µ
f,
增益 = 1 v/v,
C
I
= 2
µ
f,
输入 交流 grounded
0.04
0.042
0.044
0.046
0.048
0.05
0.052
0.054
0.056
0.058
0.06
0 1 2 3 4 5
f = 1 khz
P
O
= 200 mw,
R
L
= 1 khz
V
IC
- 一般 模式 输入 voltage - v
thd+n - total 调和的 扭曲量 + 噪音 - %
V
DD
= 3.6 v
V
DD
= 5 v
V
DD
= 2.5 v
TPA6211A1
SLOS367B–AUGUST2003–REVISEDAUGUST2004
TOTALHARMONICDISTORTION+NOISETOTALHARMONICDISTORTION+NOISE
vsvs
FREQUENCYFREQUENCY
figure11.figure12.
TOTALHARMONICDISTORTION+NOISESUPPLYVOLTAGEREJECTIONRATIO
vsvs
COMMONMODEINPUTVOLTAGEFREQUENCY
figure13.figure14.
8
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