TDA7491P13TR STMicroelectronics, TDA7491P13TR Datasheet - Page 25

• 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 39. FFT (-60 dB)
Figure 40. Power supply rejection ratio vs frequency
Figure 41. Power dissipation and efficiency vs output power
Test Condition:
Vcc =12V,
RL= 8 ohm,
Rosc =39kΩ, Cosc =100nF,
f =1kHz,
Gv =30dB,
Tamb =25℃
Test Condition:
Vcc =12V,
RL= 8 ohm,
Rosc =39kΩ, Cosc =100nF,
f =1kHz,
Gv =30dB,
0dB refers to 500mV, 100Hz,
Tamb =25℃
Specification Limit:
Typical: > 90dB
for the harmonic frequency
Test Condition:
Vcc =12V,
RL= 8 ohm,
Rosc =39kΩ, Cosc =100nF,
f =1kHz,
Gv =30dB,
Tamb =25℃
Po = -60dB (@ 1W =0dB)
Doc ID 13540 Rev 4
B
A
d
r
100
90
80
70
60
50
40
30
20
10
-100
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
-100
-110
-120
-130
-140
-150
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
20
0
20
FFT (dB)
50
50
2
100
100
Output power per channel (W)
Ripple frequency=100Hz
Ripple voltage=500mV
200
200
8ohm 12v PSRR.at27
4
Frequency (Hz)
500
500
Hz
1k
Vcc=12V
Rload=8ohm
Gain=30dB
f=1kHz
6
1k
2k
Characterization curves
2k
5k
8
5k
10k
20k
10k
10
2.5
2
1.5
1
0.5
0
20k
25/40