TDA7491P Datasheet, PDF (27/42 Pages) STMicroelectronics – 2 x 10-watt dual BTL class-D audio amplifier

TDA7491P
Figure 34. Crosstalk vs. frequency
Crosstalk (dB)
Test Conditions:
Vcc = 12V
Rl = 8 ohm
Rosc = 39k ohm
Cosc = 100nF
Po = 1W
Gv = 20 dB
Tamb. = 25 ˚C
Specification limits:
Typical:
Crosstalk < -83 dB
Characterization curves
Frequency (Hz)
Figure 35. FFT (0 dB)
Test Condition:
Vcc =12V,
RL= 8 ohm,
Rosc =39kΩ, Cosc =100nF,
f = 1kHz,
Gv =30dB,
Po =1W
Tamb =25℃
Specification Limit:
Typical: >60dB
for the harmonic frequency
FFT (dB)
+10
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
20
50
100 200
500
1k
2k
Frequency (Hz)
5k
10k 20k
Doc ID 13540 Rev 6
27/42