Datasheet

Standard application circuits STA540
10/25 Doc ID 13907 Rev 6
3 Standard application circuits
Figure 3. Quadraphonic
Figure 4. Alternative single-ended speaker connection
Figure 5. Dual bridge
Suggested applications:
4x 13 W into 2 Ω, at 15 V
4x 11 W into 4 Ω, at 18 V
4x 9 W into 2 Ω, at 12 V
4x 8 W into 4 Ω, at 16 V
4x 5 W into 4 Ω, at 12 V
1
2
3
4
5
6
7
89 10
11
12
13
14
15
1000 µF
220 nF
2200 µF
100 nF
10 µF
10 kΩ
IN_1
OUT_1
V
S
ST_BY
47 µF
2200 µF
OUT_2
2200 µF
OUT_3
2200 µF
OUT_4
220 nF
IN_2
220 nF
IN_3
220 nF
IN_4
STA540
1
470μF
2
18
470μF
19
*
The best audio performance is obtained with the configuration where each speaker
has its own DC blocking capacitor. However, if the application allows a little
degradation of the spatial image it is possible to connect a couple of speakers with
only one low-value DC blocking capacitor.
1
2
15
14
Suggested applications:
2x 38 W into 4 Ω, at 18 V, 1 kHz, 10% THD
2x 34 W into 8 Ω, at 22 V, 1 kHz, 10% THD
2x 24 W into 4 Ω, at 14.4 V, 1 kHz, 10% THD
2x 15 W into 8 Ω, at 16 V, 1 kHz, 10% THD
1
2
3
4
5
6
7
89 10
11
12
13
14
15
1000 µF
470 nF
100 nF
10 µF
10 kΩ
IN_L
V
S
ST_BY
47 µF
OUT_R
470 nF
IN_R
OUT_L
STA540