Datasheet

Characterization curves TDA7492P
14/26 Doc ID 15068 Rev 5
Figure 13. THD at 100 Hz vs output power
Figure 14. THD at 1 W vs frequency
Figure 15. Frequency response
THD (%)
0.005
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
100m 30200m 500m 1 2 5 10 20
Test conditions:
Vcc = 20 V,
RL = 8 Ω,
Rosc= 39 kΩ,Cosc = 100 nF,
f = 100 Hz,
Gv = 30 dB,
Tamb = 25r C
Specification limit:
Typical:
Po = 25 W @THD = 10%
Output power (W)
Frequency (Hz)
THD (%)
0.005
0.5
0.01
0.02
0.05
0.1
0.2
20 20k50 100 200 500 1k 2k 5k 10k
Test conditions:
Vcc = 20 V,
RL = 8 Ω,
Rosc= 39 kΩ,Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Po = 1 W
Tamb = 25r C
Specification Limit:
Typical:
THD < 0.4%
Ampl
(dB)
Specification limit:
Max:
+/-3 dB @20 Hz to 20 kHz
Test conditions:
Vcc = 20 V,
RL = 8 Ω,
Rosc= 39 kΩ,Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Po = 1 W
Tamb = 25r C
-5
+2
-4
-3
-2
-1
-0
+1
10 30k20 50 100 200 500 1k 2k 5k 10k 20k
Frequency (Hz)