APPLICATION SUGGESTIONS

The recommended values of the external components are those shown on the application circuit of fig-

ure 1a. Different values can be used, the following table can help the designer.

COMPONENT

SUGGESTION

VALUE

PURPOSE

LARGER THAN

SUGGESTION

SMALLER THAN

SUGGESTION

R2

10K

Mute time constant

Larger mute on/off time

Smaller mute on/off time

C1

1000

µF

Supply voltage

bypass

Danger of oscillation

C2

470nF

Input DC decoupling

Lower low frequency cutoff

Higher low frequency cutoff

C3

470nF

Input DC decoupling

Lower low frequency cutoff

Higher low frequency cutoff

C4

470

µF

Ripple rejection

Better SVR

Worse SVR

C6

1000

µF

Output DC decoupling Lower low frequency cutoff

Higher low frequency cutoff

C7

1

µF

Mute time costant

Larger mute on/off time

Smaller mute on/off time

C8

1000

µF

Output DC decoupling Lower low frequency cutoff

Higher low frequency cutoff

C9

100nF

Supply voltage

bypass

Danger of oscillation

11

15

19

23

27

31

0

2

4

6

8

10

12

14

(W)

16

d=10%

d=1%

D97AU559

Figure 2: Output Power vs Supply Voltage

02

4

6

8

0.01

0.1

1

d

(%)

D97AU560

f=15KHz

f=1KHz

Figure 3: Distortion vs Output Power

TYPICAL CHARACTERISTICS:

otherwise specified.

TDA7495S

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