APPLICATION SUGGESTION

The recommendedvalues of the componentsare thoseshown on application circuit of Fig. 1. Different values

can be used, the following table can help the designer.

Component

Recommended

Value

Purpose

Larger Than

Smaller Than

R1, R2

2.2

Ω

Frequency Stability

Danger of High

Frequency Oscillation

C1

1

µF

Input DC Decoupling

Higher Turn On and

Stand-by Delay

Higher Turn On Pop.

Higher Low

Frequency Cutoff

C2

22

µF

Ripple Rejection

Increase of SVR

Increase of the Turn

On Delay

Degradation of SVR

C3

22

µF

Feedback low

Frequency Cutoff

Higher Low Frequency

Cutoff

C6, C7

0.22

µF

Frequency Stability

Danger of Oscillation

C4

220

µF

Supply Filter

Danger of Oscillation

C5

0.1

µF

Supply Bypass

Danger of Oscillation

Figure 4 : Distortion vs. Output Power.

Figure 3 : Output Power vs. Supply Voltage.

Figure 6 : Distortion vs. Output Power.

Figure 5 : Output Power vs. Supply voltage.

TDA7240A

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