Datasheet

TDA7492P Characterization curves
Doc ID 15068 Rev 5 15/26
Figure 16. Crosstalk vs frequency
Figure 17. FFT 0 dB
Figure 18. FFT -60 dB
Crosstalk
(dB)
Specification limit:
Typical:
> 50 dB @f = 1 kHz
Test conditions:
Vcc = 20 V,
RL = 8 Ω,
Rosc= 39 kΩ,Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Po = 1 W
Tamb = 25r C
-120
-60
-115
-110
-105
-100
-95
-90
-85
-80
-75
-70
-65
20 20k50 100 200 500 1k 2k 5k 10k
TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
Frequency (Hz)
FFT
(dB)
Specification limit:
Typical:
> 60 dB for the harmonic frequency
Test conditions:
Vcc = 20 V,
RL = 8 Ω

Rosc= 39 kΩ,Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Po = 1 W
Tamb = 25r C
-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
Frequency (Hz)
-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:
> 90 dB for the harmonic frequency
Test conditions:
Vcc = 20 V,
RL = 8 Ω,
Rosc= 39 kΩ,Cosc = 100 nF,
f = 1 kHz,
Gv = 30 dB,
Po = -60 dB (1 W = 0 dB)
Tamb = 25r C
FFT
(dB)
Frequency (Hz)