STA540SA datasheet(11/30 Pages) STMICROELECTRONICS

11 / 30 page

STA540SA

Standard applications circuits

Doc ID 16066 Rev 2

11/30

Standard applications circuits

Figure 8.

Quad stereo

Figure 9.

Audio performance option

The best audio performance is obtained with the configuration where each speaker has its

own DC blocking capacitor. 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.

Figure 10.

Double bridge

A dedicated evaluation board is available for this application (see Section 9 on page 24).

0.22

µF

DIAGNOSTICS

2200

µF

D04AU1555B

µF

10K

ST-BY

IN1

0.22

µF

IN2

0.22

µF

IN3

0.22

µF

IN4

P-GND S-GND

µF

1000

µF

100nF

2200

µF

2200

µF

2200

µF

OUT1

OUT2

OUT3

OUT4

4 x 12 W at 2

Ω, 14.4 V

4 x 10 W at 4

Ω, 17 V

4 x 9 W at 2

Ω, 12 V

4 x 5 W at 4

Ω, 12 V

Suggested applications:

470

µF

470

µF

0.47

µF

DIAGNOSTICS

D95AU1600

µF

10K

ST-BY

IN L

0.47

µF

IN R

µF

1000

µF

100nF

OUT L

OUT R

2 x 9 W at 8

Ω, 12 V

2 x 18 W at 4

Ω, 12 V

2 x 13 W at 8

Ω, 14 V

Suggested applications:

2 x 26 W at 8

Ω, 14 V

2 x 15 W at 8

Ω, 16 V

Obsolete

Product(s)

- Obsolete

Product(s)

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