STA500

8/10

Figure 5. Distortion vs Output Power

(STA304A+STA500)

Figure 6. Tolal Power Dissipation & Efficiency

vs Output Power

Figure 7. Output Power vs Supply Voltage

(STA304A+STA500)

Figure 8. Output Power vs Supply Voltage

(STA304A+STA500)

700m

50

12

3

4

5

6

7

8 9 10

20

30

40

W

0.01

10

0.02

0.05

0.1

0.2

0.5

1

2

5

%

Vcc=30V

Rl=80hm

f=1KHz

Eq.

0

5

10

15

20

25

30

Pout (W)

20

30

40

50

60

70

80

90

0

1

2

3

4

5

6

7

Efficiency

Pdiss

STA304A+STA500

1channel

Vcc=25V

Rl=8ohm

F=1KHz

0

50

5

10

15

20

25

30

35

40

45

+12

+18

+12.5

+13

+13.5

+14

+14.5

+15

+15.5

+16

+16.5

+17

+17.5

Vdc

STA500

4 ohm load

filter 22uH+ 0.47uF diff+

0.1uF common mode

Pout (W)

Vsupply (V)

THD = 10%

THD = 1%

5

50

10

15

20

25

30

35

40

45

+12

+28

+13

+14

+15

+16

+17

+18

+19

+20

+21

+22

+23

+24

+25

+26

+27

Rload = 8 ohm

f = 1KHz

THD = 1%

THD = 10%

Pout (W)

Vcc (V)