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U4050B 参数 Datasheet PDF下载

U4050B图片预览
型号: U4050B
PDF下载: 下载PDF文件 查看货源
内容描述: 语音电路与线路供电扬声器放大器 [Speech Circuit with Line-Powered Loudspeaker Amplifier]
分类和应用: 放大器
文件页数/大小: 18 页 / 334 K
品牌: TEMIC [ TEMIC SEMICONDUCTORS ]
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U4050B
Parameters
Speaker amplifier
Minimum line
current for operation
Gain from V
L
to SAO
Output power
Test Conditions / Pins
see figure 7
No ac signal
I
L
15 mA
V
gen
= 10 mV
Load resistance
R
L
= 50
d<5%
V
gen
= 300 mV
rms
I
L
> 15 mA
I
L
= 20 mA
I
L
> 15 mA
(Input G
SA
open)
I
L
= 15 mA
T
amb
= –10 to + 60°C
I
L
= 15 to 100 mA
R
AGA
= 7.5 kΩ
I
L
= 15 to 100 mA
I
L
= 15 mA
V
L
= 0 dBm
Pin G
SA
open
I
L
= 15 mA
f = 300 to 3400 Hz
20 dB overdrive
Symbol
I
Lmin
G
SA
Min.
10.5
27.5
29
Typ.
Max.
15
30.5
Unit
mA
dB
w
PSA
PSA
nsa
5
20
200
mW
µV
dB
dB
M
W
dBm
Output noise
Gain devitation
Gain change with current
Resistor for turning off
speaker amplifier
Maximum off-state
Output voltage
Gain change
with frequency
Attack time
Release time
Distortion
D
G
SA
D
G
SA
R
GSA
V
SAO
0.8
1.3
"
1
"
1.5
2
– 50
D
G
SA
t
r
t
f
1
300
"
1
5
dB
ms
ms
%
I
L
= 15 mA
d
SAO
V
gen
= 300 mV
DTMF - amplifier
see figure 8
Test conditions: I
D
= 2 mA, I
M
= 0.3 mA, R
AGA
= 7.5 kΩ, mute active
Adjustment range of DTMF I
L
= 15 mA
G
D
gain
Load = 600
DTMF amplification
I
L
= 15 mA
G
D
Gain deviation
I
L
= 15 mA
G
D
T
amb
= – 10 to 60°C
Input resistance
R
i
Distortion of
I
L
15 mA
d
DTMF signal
V
I
= 0 dBm
Gain deviation
I
L
= 15 to 100 mA
D
G
D
with current
R
AGA
= 7.5 kΩ
18
24.5
26
26
34
dB
dB
dB
kΩ
%
dB
"
27
0.5
30
2
w
20
25
"
0.5
6 (18)
Rev. A2, 05-Mar-98