TDA2005 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TDA2005 Datasheet PDF : 25 Pages
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TDA2005
3
Application suggestion
Application suggestion
The recommended values of the components are those shown on bridge application circuit
of Figure 3. Different values can be used; the following table can help the designer.
Table 8. Recommended values of the component of the bridge application circuit
Component
Recommended
value
Purpose
Larger than
Smaller than r
C1
2.2 F
Input DC decoupling
-
-
C2
2.2 F
Optimization of turn on
Pop and turn on Delay
High turn on delay
High Turn on Pop, Higher
low frequency cutoff
Increase of Noise
C3
0.1 F
Supply bypass
-
Danger of oscillation
Increase of SVR,
C4
10 F
Ripple rejection
Increase of the Switch- Degradation of SVR
on Time
C5, C7
100 F
Bootstrapping
-
Increase of distortion at
low frequency
C6, C8
C9, C10
Feedback input DC
220 F
decoupling, low
-
frequency cut-off
0.1 F
Frequency stability
-
Danger of oscillation at
high frequencies with
inductive loads
Danger of oscillation
R1
120 k
Optimization of the
output symmetry
Smaller Pomax
Smaller Pomax
R2
1 k
-
-
-
R3
2 k
-
-
-
Closed loop gain setting
R4, R5
12
(see Bridge Amplifier -
-
Design(1))
R6, R7
Danger of oscillation at
1
Frequency stability
high frequencies with -
inductive loads
1. The closed loop gain must be higher than 32 dB.
Doc ID 1451 Rev 6
15/25
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