Datasheet

Characterization curves TDA7491LP
20/37 Doc ID 13541 Rev 5
Figure 18. THD vs. output power (100 Hz)
Figure 19. THD vs. frequency
THD (%)
Output Power (W)
0.005
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
100m 6200m 300m 400m 600m 800m 1 2 3 4 5
Test Condition:
Vcc =9V,
RL= 8 ohm,
Rosc =39kΩ, Cosc =100nF,
f =100Hz,
Gv =30dB,
Tam b =25° C
Specification Limit:
Typical:
Po =5W @ THD =10%
Frequency (Hz)
THD (%)
0.005
1
0.01
0.02
0.05
0.1
0.2
0.5
20 20k50 100 200 500 1k 2k 5k 10k
Test Condition:
Vcc =9V,
RL= 8 ohm,
Rosc =39kΩ, Cosc =100nF,
f =1kHz,
Gv =30dB,
Po =1W
Tamb =25°C
Specification Limit:
Typical: THD<0.5%