TDA749213TR Datasheet, PDF (15/32 Pages) STMicroelectronics – 50 W + 50 W dual BTL class-D audio amplifier

TDA7492
Characterization curves
4.2
Characterizations for 8-Ω loads
Figure 11. Output power vs. supply voltage
Test conditions:
Vcc = 5 - 25 V,
RL = 8 Ω,
Rosc = 39 kΩ, Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Tamb = 25r C
Specification limit:
Typical:
Vs = 25 V, RL = 8 Ω,
Po = 40 W at THD = 10%,
Po = 32 W at THD = 1%
3RXW YV 9FF


10% THD



1% THD
          
9FF9
Figure 12. THD vs. output power (1 kHz)
Test conditions:
Vcc = 25 V,
RL = 8 Ω,
Rosc = 39 kΩ, Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Tamb = 25r C
10
5
THD
%
2
1
0.5
0.2
0.1
Specification limit:
Typical:
Po = 40 W at THD = 10%
0.05
0.02
0.01
100m
200m
500m
1
2
5
10
20
50
Output power (W)
Doc ID 14926 Rev 5
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