TS4984FC

Application Information

19/30

The output power is:

For the same power supply voltage, the output power in a BTL configuration is four times higher

than the output power in a single-ended configuration.

4.2

Gain in typical application schematic

The typical application schematic (

Figure 62) is shown on page 18.

For the second stage:

The differential output voltage is:

4.3

Low and high frequency response

a -3dB cut-off frequency:

P

out

2V

outR MS

()

2

R

L

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

=

V

ou t1

V

–

in

()

R

fe ed

R

in

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

(V)

=

V

out 2

V

ou t1

–

2V

in

R

fee d

R

in

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

(V)

=

G

v

V

out2

V

out1

–

V

in

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

2

R

f eed

R

in

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

==

F

CL

1

2

πR

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

(Hz)

=

F

CH

1

2

πR

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

(Hz)

=