TDA1908_集成电路资料查询网

4/12
标识 参数 测试 conditions 最小值 典型值 最大值 单位
d 调和的 distorsion
f = 1KHz
V
s
=9V R
L
=4
Ω
P
o
= 50 mW 至 1.5 W
V
s
= 18V R
L
=4
Ω
P
o
=50mWto4W
V
s
= 24V R
L
=16
Ω
P
o
=50mWto3W
0.1
0.1
0.1
%
V
i
输入 sensivity V
s
=9V
V
s
= 14V
V
s
= 18V
V
s
= 22V
V
s
= 24V
R
L
=4
Ω
R
L
=4
Ω
R
L
=4
Ω
R
L
=8
Ω
R
L
=16
Ω
P
o
= 2.5w
P
o
= 5.5w
P
o
=9W
P
o
=8W
P
o
= 5.3w
37
52
64
90
110
mV
V
i
输入 饱和 电压 (rms) V
s
=9V
V
s
= 14V
V
s
= 18V
V
s
= 24V
0.8
1.3
1.8
2.4
V
R
i
输入 resistence (管脚 8) f = 1 KHz 60 100
K
Ω
I
s
流 电流 f = 1 KHz
V
s
= 14V
V
s
= 18V
V
s
= 22V
V
s
= 24V
R
L
=4
Ω
R
L
=4
Ω
R
L
=8
Ω
R
L
=16
Ω
P
o
= 5.5w
P
o
=9W
P
o
=8W
P
o
= 5.3w
570
730
500
310
毫安
η
效率
V
s
= 18V f = 1 KHz
R
L
=4
Ω
P
o
=9W
72
%
BW 小 信号 bandwitdth (-3 db) V
s
= 18V
R
L
=4
Ω
P
o
= 1W 40 至 40 000 Hz
G
v
电压 增益 (打开 循环) f = 1 KHz 75 dB
G
v
电压 增益 (关闭 循环)
V
s
= 18V
f = 1 KHz
R
L
=4
Ω
P
o
=1W
39.5 40 40.5 dB
e
N
总的 输入 噪音
(
°
)
R
g
=50
Ω
R
g
=1K
Ω
R
g
= 10K
Ω
1.2
1.3
1.5 4.0
µ
V
(
°°
)
R
g
=50
Ω
R
g
=1K
Ω
R
g
= 10K
Ω
2.0
2.0
2.2 6.0
µ
V
s/n 信号 至 噪音 比率
V
s
= 18V
P
o
=9W
R
L
=4
Ω
R
g
= 10K
Ω
R
g
=0
(
°
)
92
94
dB
R
g
= 10K
Ω
R
g
=0
(
°°
)
88
90
dB
SVR 供应 电压 拒绝 V
s
= 18V R
L
=4
Ω
f
波纹
= 100 Hz R
g
= 10K
Ω
40 50 dB
T
sd
Termal shut-向下 接合面
温度
(*)
145 ÉC
电的 特性
(持续)
便条 :
(
°
) Weighting 过滤 = 曲线 一个.
(
°
°
) 过滤 和 噪音 带宽: 22 Hz 至 22 khz.
TDA1908

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4/12 标识参数测试 conditions 最小值典型值最大值单位 d 调和的 distorsion f = 1KHz V s =9V R L =4 Ω P o = 50 mW 至 1.5 W V s = 18V R L =4 Ω P o =50mWto4W V s = 24V R L =16 Ω P o =50mWto3W 0.1 0.1 0.1 % V i 输入 sensivity V s =9V V s = 14V V s = 18V V s = 22V V s = 24V R L =4 Ω R L =4 Ω R L =4 Ω R L =8 Ω R L =16 Ω P o = 2.5w P o = 5.5w P o =9W P o =8W P o = 5.3w 37 52 64 90 110 mV V i 输入饱和电压 (rms) V s =9V V s = 14V V s = 18V V s = 24V 0.8 1.3 1.8 2.4 V R i 输入 resistence (管脚 8) f = 1 KHz 60 100 K Ω I s 流电流 f = 1 KHz V s = 14V V s = 18V V s = 22V V s = 24V R L =4 Ω R L =4 Ω R L =8 Ω R L =16 Ω P o = 5.5w P o =9W P o =8W P o = 5.3w 570 730 500 310 毫安 η 效率 V s = 18V f = 1 KHz R L =4 Ω P o =9W 72 % BW 小信号 bandwitdth (-3 db) V s = 18V R L =4 Ω P o = 1W 40 至 40 000 Hz G v 电压增益 (打开循环) f = 1 KHz 75 dB G v 电压增益 (关闭循环) V s = 18V f = 1 KHz R L =4 Ω P o =1W 39.5 40 40.5 dB e N 总的输入噪音 ( ° ) R g =50 Ω R g =1K Ω R g = 10K Ω 1.2 1.3 1.5 4.0 µ V ( °° ) R g =50 Ω R g =1K Ω R g = 10K Ω 2.0 2.0 2.2 6.0 µ V s/n 信号至噪音比率 V s = 18V P o =9W R L =4 Ω R g = 10K Ω R g =0 ( ° ) 92 94 dB R g = 10K Ω R g =0 ( °° ) 88 90 dB SVR 供应电压拒绝 V s = 18V R L =4 Ω f 波纹 = 100 Hz R g = 10K Ω 40 50 dB T sd Termal shut-向下接合面温度 (*) 145 ÉC 电的特性 (持续) 便条 : ( ° ) Weighting 过滤 = 曲线一个. ( ° ° ) 过滤和噪音带宽: 22 Hz 至 22 khz. TDA1908

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