Characterization curves

STA518

16/19

The following characterizations are obtained using the stereo full bridge configuration (Figure 8) with

STA308A controller.

The following characterizations are obtained using the single BTL configuration (Figure 9) with STA308A

controller.

Figure 18.

THD+N vs Output Power

Figure 15. Output Power vs Supply Voltage

Figure 16. THD+N vs Output Power

Figure 17. Power Dissipation vs Output Power

0

90

10

20

30

40

50

60

70

80

o(W)

+10

+36

+12

+14

+16

+18

+20

+22

+24

+26

+28

+30

+32

+34

Vsupply(V)

Rl=8ohm

F=1KHz

Stereo Full

BTL

THD=10%

THD=1%

Single

Parallel BTL

0.01

10

0.02

0.05

0.1

0.2

0.5

1

2

5

100m

60

200m

500m

1

2

5

10

20

THD(%)

Pout(W)

Vcc=29V

Rl=8ohm

F=1KHz

Double BTL

0

2

4

6

8

10

12

0

1020

3040

50

Pd (W)

2 X Pout (W)

Vcc=29V

Rl=8ohm

F=1KHz

0.01

10

0.02

0.05

0.1

0.2

0.5

1

2

5

THD(%)

100m

80

200m

500m

1

2

5

10

20

50

Pout(W)

Vcc=34V

Rl=8ohm

F=1KHz

Single BTL