Datasheet

TDA7491LP Characterization curves
Doc ID 13541 Rev 5 19/37
4.2 With 8-Ω load at V
CC
= 9 V
Figure 16. Output power vs. supply voltage
Figure 17. THD vs. output power (1 kHz)
0
0. 5
1
1. 5
2
2. 5
3
3. 5
4
4. 5
5
5. 5
6
56789
THD =1%
THD =10%
Rl =8 ohm
f =1kHz
Test Condition :
Vcc = 5~9V,
RL = 8 ohm,
Rosc =39kΩ, Cosc =100nF,
f =1kHz,
Gv =30dB,
Tamb =25°C
Specification Limit:
Typical:
Vs =9V,Rl = 8 ohm
Po =5W @THD =10%
Po =4W @THD =1%
Supply voltage (V)
Output power (W)
THD (%)
Output Power (W)
0.01
10
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 =1kHz,
Gv =30dB,
Tamb =25°C
Specification Limit:
Typical:
Po =5W @ THD =10%