Datasheet

TDA7491HV Characterization curves
Doc ID 14242 Rev 6 13/41
Figure 5. THD vs. output power (100 Hz)
Figure 6. THD vs. frequency
Figure 7. Frequency response
p
THD (%)
Output Power (W)
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
100m 20200m 500m 1 2 5 10
Test Condition:
Vcc=14V,
RL=4 ohm,
Rosc=39k˖, Cosc=100nF,
f =100Hz,
Gv=30dB,
Tamb=25ഒ
Specification Limit:
Typical:
20W @ THD=10%
qy
THD (%)
Frequency (Hz)
0.01
0.5
0.02
0.03
0.04
0.05
0.06
0.07
0.1
0.2
0.3
0.4
20 20k50 100 200 500 1k 2k 5k 10k
Test Condition:
Vcc=14V,
RL=4 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 =14V,
RL= 4 ohm,
Rosc=39k˖, Cosc=100nF,
f = 1kHz,
Gv = 30dB,
Po =1W
Tamb = 25ഒ