TDA7491P STMicroelectronics, TDA7491P Datasheet - Page 14

• Manufacturer Part Number: TDA7491P
• Description: IC, AMP, AUDIO, CLASS D, 36POWERSO
• Manufacturer: STMicroelectronics

Specifications of TDA7491P

• Amplifier Class: D
• No. Of Channels: 2
• Output Power: 10W
• Supply Voltage Range: 5V To 18V
• Thd + N: 0.1% @ 1W, 6ohm, VCC=11V
• Load Impedance: 8ohm
• Operating Temperature Range: 0°C To +70°C
• Rohs Compliant: Yes

Characterization curves
14/40
Figure 8.
Figure 9.
Figure 10. Power supply rejection ratio vs frequency
Test Condition:
Vcc =10V,
RL= 4 ohm,
Rosc = 39kΩ, Cosc = 100nF,
Vin=0,
Gv=30dB,
0dB refers to 500mV, 100Hz,
Tamb=25℃
FFT (0 dB)
FFT (-60 dB)
Test Condition:
Vcc =10V,
RL= 4 ohm,
Rosc = 39kΩ, Cosc = 100nF,
f = 1kHz,
Gv=30dB,
Tamb=25℃
Specification Limit:
Typical: > 90dB
for the harmonic frequency
Po= -60dB (@ 1W =0dB)
Test Condition:
Vcc =10V,
RL= 4 ohm,
Rosc = 39kΩ, Cosc =100nF,
f =1kHz,
Gv = 30dB,
Tamb = 25℃
Specification Limit:
Typical: >60dB
for the harmonic frequency
Po = 1W
Doc ID 13540 Rev 4
B
A
d
r
-100
-100
-110
-120
-130
-140
-150
-100
-110
-120
-130
-140
-150
+10
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
-10
-20
-30
-40
-50
-60
-70
-80
-90
+0
+0
+0
20
20
20
FFT (dB)
FFT (dB)
50
50
50
100
100
100
Ripple frequency=100Hz
Ripple voltage=500mV
Frequency (Hz)
200
200
200
4 ohm 10 v PSRR.at27
500
500
Frequency (Hz)
500
Hz
1k
1k
1k
2k
2k
2k
5k
5k
5k
10k
10k
10k
20k
20k
20k
TDA7491P