TS4961T

Application component information

41/49

4.9

Examples with summed inputs

4.9.1

Example 1: dual differential inputs

Figure 79.

Typical application schematics with dual differential inputs

With (Ri in k

Ω):

R1

R1

GND

Vcc

SPEAKER

Standby

R2

R2

E1+

E1-

E2-

E2+

In-

Stdby

In+

Out-

Out+

VCCA

12

15

16

7

8

6

5

GNDA

Internal

Bias

PWM

Output

Bridge

H

Oscillator

150k

150k

+

-

300k

TS4961T (Audio Amplifier Part)

GND

Csa

1uF

A

V

1

Out

+

Out

-

–

E

1

+

E

1

-

–

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

300

R

1

----------

==

A

V

2

Out

+

Out

-

–

E

2

+

E

2

-

–

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

300

R

2

----------

==

0.5V

V

CC

R

1

×

R

2

300

V

IC1

R

2

V

IC2

+

×

R

1

×

()

×

+

×

300

R

1

R

2

+

() 2R

1

×

R

2

×

+

×

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

V

CC

0.8V

–

≤≤

V

IC

1

E

1

+

E

1

-

+

2

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

=

and V

IC

2

E

2

+

E

2

-

+

2

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

=

Obsolete

Product(s)

- Obsolete

Product(s)