Application information

A21SP16

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DocID026037 Rev 2

in Figure 1: Typical application schematics on page 4). It should be placed as close as

possible to the device.

5.11

Different examples with summed inputs

Example 1: Dual differential inputs

Figure 64. Typical application schematic with dual differential inputs

With (Ri in k):

R1

R1

Cs

1u

GND

GND

Vcc

SPEAKER

Standby

R2

R2

E1+

E1-

E2-

E2+

In-

Stdby

In+

Out-

Out+

Vcc

C2

C1

A1

A2

A3

B1

B2

B3

C3

GND

Internal

Bias

PWM

Output

Bridge

H

Oscillator

150k

150k

+

-

TS4962

AV

1

Out

+

Out

-

–

E1

+

E1

-

–

-------------------------------

300

R1

----------

==

AV

2

Out

+

Out

-

–

E2

+

E2

-

–

-------------------------------

300

R2

----------

==

0.5V

VCC R1



R2 300

VIC1 R2 VIC2

+



R1







+



300

R1 R2

+

 2R

1



R2



+



---------------------------------------------------------------------------------------------------------------------------

VCC 0.8V

–



VIC

1

E1

+

E1

-

+

2

------------------------

=

and VIC

2

E2

+

E2

-

+

2

------------------------

=