TDA7491P Datasheet, PDF (24/42 Pages) STMicroelectronics – 2 x 10-watt dual BTL class-D audio amplifier

Characterization curves
TDA7491P
4.3
With 8-Ω load at V_CC = 12 V
Figure 28. Output power vs. supply voltage
Test Condition :
Vcc = 5~12V,
RL = 8 ohm,
Rosc =39kO, Cosc =100nF,
f =1kHz,
Gv =30dB,
Tamb =25℃
Specification Limit:
Typical:
Vs =12V,Rl = 8 ohm
Po =9.5W @THD =10%
Po =7.2W @THD =1%
10
9
8
7
6
5
4
3
2
1
0
5
Rl =8 ohm
f =1kHz
THD =10%
THD =1%
6
7
8
9
10 11 12
Supply Voltage (V)
Figure 29. THD vs. output power (1 kHz)
THD (%)
Test Conditions:
Vcc = 12V
Rl = 8 ohm
Rosc = 39k ohm
Cosc = 100nF
f = 1kHz
Gv = 20 dB
Tamb. = 25 ˚C
Specification limits:
Typical:
Po = 9.5W
@THD =10%
Output Power (W)
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Doc ID 13540 Rev 6