Datasheet

TDA7491HV Characterization curves
Doc ID 14242 Rev 6 19/41
Figure 22. Frequency response
Figure 23. Crosstalk vs. frequency
Figure 24. FFT (0 dB)
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=16V,
RL= 6 ohm,
Rosc =39k˖, Cosc =100nF,
f = 1kHz,
Gv =30dB,
Po =1W
Tamb =25ഒ
Crosstalk
Crosstalk (dB)
Frequency (Hz)
-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 =16V,
RL= 6 ohm,
Rosc =39k˖, Cosc =100nF,
f = 1kHz,
Gv =30dB,
Po =1W
Tamb=25ഒ
FFT
(0
dB)
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
Specification Limit:
Typical: >60dB
for the harmonic frequency
Test Condition:
Vcc =16V,
RL= 6 ohm,
Rosc =39k˖, Cosc =100nF,
f =1kHz,
Gv =30dB,
Po =1W
Tamb =25ഒ
Frequency (Hz)