TDA7491LP13TR Datasheet, PDF (21/37 Pages) STMicroelectronics – 2 x 5-watt dual BTL class-D audio amplifier

TDA7491LP
Characterization curves
Figure 20. Frequency response
Test Condition:
Vcc =9V,
RL= 8 ohm,
Rosc =39kΩ, Cosc =100nF,
f =1kHz,
Gv =30dB,
Po =1W
Tamb =25°C
Specification Limit:
Max: +/-3dB
@20Hz to 20kHz
Ampl (dB)
+2
+1
-0
-1
-2
-3
-4
-5
10
20
50 100 200
500 1k
2k
Frequency (Hz)
5k 10k
30k
Figure 21. Crosstalk vs. frequency
Test Condition:
Vcc =9V,
RL= 8 ohm,
Rosc =39kΩ, Cosc =100nF,
f = 1kHz,
Gv=30dB,
Po=1W
Tamb=25°C
Specification Limit:
Typical: >50dB (@ f =1kHz)
Crosstalk (dB)
-60
-65
-70
-75
-80
-85
-90
-95
-100
-105
-110
-115
-120
20
50
100
200
500
1k
2k
Frequency (Hz)
5k
10k 20k
Doc ID 13541 Rev 5
21/37