TDA7491P13TR STMicroelectronics, TDA7491P13TR Datasheet - Page 20

• 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

Characterization curves
20/40
Figure 25. Power supply rejection ratio vs frequency
Figure 26. Power dissipation and efficiency vs output power
Figure 27. Closed-loop gain vs frequency
Test Condition:
Vcc =11V,
RL= 6 ohm,
Rosc =39kΩ, Cosc =100nF,
0dB@f=1kHz,Po=1w,
Gain=32dB,
Tamb =25℃
Test Condition:
Vcc =11V,
RL= 6 ohm,
Rosc =39kΩ, Cosc =100nF,
F=1kHz,
Gv =30dB,
Tamb =25℃
Test Condition:
Vcc =11V,
RL= 6 ohm,
Rosc =39kΩ, Cosc =100nF,
Vin=0,
Gv =30dB,
0dB refers to 500mV, 100Hz,
Tamb =25℃
d
B
A
r
+1.5
+0.5
-0.5
-1.5
-2.5
-3.5
-4.5
+2
+1
-0
-1
-2
-3
-4
-5
20
B
A
d
Doc ID 13540 Rev 4
r
-100
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
100
Gain=26dB
20
90
80
70
60
50
40
30
20
10
0
Gain=32dB
50
0
50
100
2
100
Output power per channel (W)
Ripple frequency=100Hz
Ripple voltage=500mV
200
Gain=30dB
200
4
6ohm 11v PSRR.at27
Gain=22dB
500
500
6
Hz
Hz
Vcc=11V
Rload=6ohm
Gain=30dB
f=1kHz
1k
1k
8
2k
2k
10
5k
5k
10k
12
3
2.5
2
1.5
1
0.5
0
20k
TDA7491P
10k
20k
30k