參數(shù)資料
型號(hào)： TDA1910HS
廠商： 意法半導(dǎo)體
元件分類： 運(yùn)動(dòng)控制電子
英文描述： 10W AUDIO AMPLIFIER WITH MUTING
中文描述： 10W的音頻放大器，具有屏蔽
文件頁(yè)數(shù)： 5/14頁(yè)
文件大小： 196K
代理商： TDA1910HS
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
h
Efficiency
V
s
= 24V
f = 1 KHz
P
o
= 12W
P
o
= 7.5W
R
L
= 4
R
L
= 8
62
65
%
BW
Small signal bandwidth
V
s
= 24V
R
L
= 4
P
o
= 1W
10 to 120,000
Hz
BW
Power bandwidth
V
s
= 24V
P
o
= 12W
R
L
= 4
d
≤
5%
40 to 15,000
Hz
G
v
Voltage gain (open loop)
f = 1 KHz
75
dB
G
v
Voltage gain (closed loop)
V
= 24V
f = 1 KHz
R
= 4
Po = 1W
29.5
30
30.5
dB
e
N
Total input noise
R
g
= 50
R
g
= 1K
R
g
= 10K
(
°
)
1.2
1.3
1.5
3.0
3.2
4.0
μ
V
R
g
= 50
R
g
= 1K
R
g
= 10K
(
°°
)
2.0
2.0
2.2
5.0
5.2
6.0
μ
V
S/N
Signal to noise ratio
V
s
= 24V
P
o
= 12W
R
L
= 4
R
g
= 10K
R
g
= 0
(
°
)
97
103
105
dB
R
g
= 10K
R
g
= 0
(
°°
)
93
100
100
dB
SVR
Supply voltage rejection
V
s
= 24V
f
ripple
= 100 Hz
RL = 4
Rg = 10 K
50
60
dB
T
sd
Thermal sjut-down case (*)
temperature
P
tot
= 8W
110
125
°
C
MUTING FUNCTION
(Refer to Muting circuit)
V
T
Muting-off threshold voltage
(pin 11)
1.9
4.7
V
V
T
Muting-on threshold voltage
(pin 11)
0
1.3
V
6
V
s
R
1
Input resistance (pin 1)
Muting off
80
200
K
Muting on
10
30
R
11
Input resistance (pin 11)
150
K
A
T
Muting attenuation
R
g
+ R
1
= 10 K
50
60
dB
ELECTRICALCHARACTERISTICS
(continued)
Note :
(
°
)
(
°
°
) Filter with noise bandwidth: 22 Hz to 22 KHz.
(*)
See fig. 29 and fig. 30.
Weightingfilter = curveA.
5/14
TDA1910
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