TDA7491P13TR STMicroelectronics, TDA7491P13TR Datasheet - Page 15

• Manufacturer Part Number: TDA7491P13TR
• Description: AMP, AUDIO, DUAL, CLASS D, 36PSSOEPD
• Manufacturer: STMicroelectronics

Specifications of TDA7491P13TR

• Amplifier Class: D
• No. Of Channels: 2
• Output Power: 9.5W
• Supply Voltage Range: 5V To 18V
• Thd + N: 0.1% @ 1W, 6ohm, VCC=11V
• Load Impedance: 6ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes

TDA7491P
Figure 11. Power dissipation and efficiency vs output power
Figure 12. Closed-loop gain vs frequency
Figure 13. Current consumption vs voltage on pin MUTE
Test Condition:
Vcc =10V,
RL= 4 ohm,
Rosc = 39kΩ, Cosc = 100nF,
f = 1kHz,
0dB@f=1kHz, Po=1w,
Gain=32dB,
Tamb=25℃
Test Condition:
Vcc =10V,
RL= 4 ohm,
Rosc = 39kΩ, Cosc = 100nF,
f = 1kHz,
Gv=30dB,
Tamb=25℃
Test Condition:
Vcc =10V,
RL= 4 ohm,
Rosc = 39kΩ, Cosc = 100nF,
Vin=0,
Gv=30dB,
Tamb=25℃
B
A
d
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Doc ID 13540 Rev 4
+1.5
+0.5
-0.5
-1.5
-2.5
-3.5
-4.5
+2
+1
-0
-1
-2
-3
-4
-5
20
90
80
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40
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20
10
0
50
Gain=26dB
0
40
40
35
35
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30
25
25
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15
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10
Gain=22dB
5
5
0
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Power di ssi pat i on & Ef f i ci ency vs O ut put power
100
0
0
2
200
O ut put power per channel ( W )
4
Vcc=10V
Vcc=10V
Rload=4ohm
Rload=4ohm
Gain=30dB
Gain=30dB
Vin=0
Vin=0
1
1
500
Mute voltage (V)
Mute voltage (V)
Gain=30dB
6
Hz
1k
Gain=32dB
Vcc=10V
Rload=4ohm
Gain=30dB
f=1kHz
2
2
8
2k
Characterization curves
3
3
10
5k
12
10k
5
4. 5
4
3. 5
3
2. 5
2
1. 5
1
0. 5
0
4
4
20k
30k
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