Datasheet

Characterization curves TDA7491HV
24/41 Doc ID 14242 Rev 6
Figure 35. THD vs. output power (100 Hz)
Figure 36. THD vs. frequency
Figure 37. Frequency response
THD
vs
.
Output
Power
THD (%)
Output Power (W)
0.005
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
100m 20200m 500m 1 2 5 10
Test Condition:
Vcc =18V,
RL= 8 ohm,
Rosc =39k˖, Cosc =100nF,
f =100Hz,
Gv =30dB,
Tamb =25ഒ
Specification Limit:
Typical:
20W @ THD =10%
qy
Frequency (Hz)
THD (%)
0.005
2
0.01
0.02
0.05
0.1
0.2
0.5
1
20 20k50 100 200 500 1k 2k 5k 10k
Test Condition:
Vcc =18V,
RL= 8 ohm,
Rosc =39k˖, Cosc =100nF,
f =1kHz,
Gv =30dB,
Po =1W
Tamb =25ഒ
Specification Limit:
Typical: THD<0.5%
Ampl (dB)
Frequency (Hz)
-5
+2
-4
-3
-2
-1
-0
+1
10 30k20 50 100 200 500 1k 2k 5k 10k
Specification Limit:
Max: +/-3dB
@20Hz to 20kHz
Test Condition:
Vcc =18V,
RL= 8 ohm,
Rosc =39k˖, Cosc =100nF,
f =1kHz,
Gv =30dB,
Po =1W
Tamb =25ഒ