參數(shù)資料
型號: TDA7491MV
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 20 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
封裝: ROHS COMPLIANT, SSOP-36
文件頁數(shù): 6/28頁
文件大?。?/td> 696K
代理商: TDA7491MV
Characterization curves
TDA7491MV
14/28
Doc ID 14576 Rev 2
Figure 11.
Power dissipation and efficiency vs output power
Figure 12.
Attenuation vs mute voltage
Figure 13.
Current consumption vs voltage on pin STBY
Test Condition :
Vcc = 18V,
RL = 8 ohm,
Rosc =39kO, Cosc =100nF,
f =1kHz,
Gv =30dB,
Tamb =25
Power dissipation & Efficiency vs Output power
0
10
20
30
40
50
60
70
80
90
0
5
10
15
20
Output power per channel (W)
Ef
fic
iency
(%)
0
0.5
1
1.5
2
2.5
3
3.5
4
Dissipa
tio
nP
owe
r(W)
Power dissipation & Efficiency vs Output power
0
10
20
30
40
50
60
70
80
90
0
5
10
15
20
Output power per channel (W)
Ef
fic
iency
(%)
0
0.5
1
1.5
2
2.5
3
3.5
4
Dissipa
tio
nP
owe
r(W)
Vcc=18V
Rload=8ohm
Gain=30dB
f=1kHz
Test Condition :
Vcc = 18V,
RL = 8 ohm,
Rosc =39kO, Cosc =100nF,
0dB@f =1kHz, Po=1w
Gv =30dB,
Tamb =25
Attenuation vs Mute voltage
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0
0.5
1
1.5
2
2.5
3
3.5
Mute voltage (V)
At
te
nu
at
io
n
(d
B)
Attenuation vs Mute voltage
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0
0.5
1
1.5
2
2.5
3
3.5
Mute voltage (V)
At
te
nu
at
io
n
(d
B)
Vcc=18V
Rload=8ohm
Gain=30dB
0dB@f=1kHz,Po=1w
Test Condition :
Vcc = 18V,
RL = 8 ohm,
Rosc =39kO, Cosc =100nF,
Vin=0,
Gv =30dB,
Tamb =25
Iquiescent vs Standby voltage
0
5
10
15
20
25
30
0
0.5
1
1.5
2
2.5
3
3.5
Standby voltage (V)
Iq
uie
sce
nt
(mA)
Iquiescent vs Standby voltage
0
5
10
15
20
25
30
0
0.5
1
1.5
2
2.5
3
3.5
Standby voltage (V)
Iq
uie
sce
nt
(mA)
Vcc=18V
Rload=8ohm
Gain=30dB
Vin=0
相關(guān)PDF資料
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TDA7491P13TR 10 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO36
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