Datasheet

Characterization curves TDA7491HV
14/41 Doc ID 14242 Rev 6
Figure 8. Crosstalk vs. frequency
Figure 9. FFT (0 dB)
Figure 10. FFT (-60 dB)
Crosstalk
Crosstalk (dB)
-120
-40
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
-60
-55
-50
-45
20 20k50 100 200 500 1k 2k 5k 10k
Specification Limit:
Typical: >50dB (@ f = 1kHz)
Test Condition:
Vcc =14V,
RL= 4 ohm,
Rosc= 39k˖, Cosc = 100nF,
f = 1kHz,
Gv = 30dB,
Po = 1W
Tamb = 25ഒ
Frequency (Hz)
Frequency (Hz)
FFT (dB)
-150
+10
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
20 20k50 100 200 500 1k 2k 5k 10k
FFT
(0
dB)
Specification Limit:
Typical: >60dB
for the harmonic frequency
Test Condition:
Vcc =14V,
RL= 4 ohm,
Rosc = 39k˖, Cosc =100nF,
f =1kHz,
Gv = 30dB,
Po = 1W
Tamb = 25ഒ
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 =14V,
RL= 4 ohm,
Rosc = 39k˖, Cosc = 100nF,
f = 1kHz,
Gv=30dB,
Po= -60dB (@ 1W =0dB)
Tamb=25ഒ