Datasheet

Characterization curves TDA7491HV
20/41 Doc ID 14242 Rev 6
Figure 25. FFT (-60 dB)
Figure 26. Power supply rejection ratio vs. frequency
Figure 27. Power dissipation and efficiency vs. output power
Frequency (Hz)
FFT (dB)
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
20 20k50 100 200 500 1k 2k 5k 10k
Specification Limit:
Typical: > 90dB
for the harmonic frequency
Test Condition:
Vcc =16V,
RL= 6 ohm,
Rosc =39k˖, Cosc =100nF,
f =1kHz,
Gv =30dB,
Po = -60dB (@ 1W =0dB)
Tamb =25ഒ
-100
+0
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20 20k50 100 200 500 1k 2k 5k 10k
Hz
Test Condition:
Vcc =16V,
RL= 6 ohm,
Rosc =39k˖, Cosc =100nF,
Vin=0,
Gv =30dB,
Tamb =25ഒ,
0dB refers to 500mV, 100Hz
Ripple frequency=100Hz
Ripple voltage=500mV
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Test Condition:
Vcc =16V,
RL= 6 ohm,
Rosc =39k˖, Cosc =100nF,
f =1kHz,
Gv =30dB,
Tamb =25ഒ
Vcc=16V
Rload=6ohm
Gain=30dB
f=1kHz