TDA2005R STMicroelectronics, TDA2005R Datasheet - Page 15

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TDA2005R

Manufacturer Part Number
TDA2005R
Description
IC AMP AUD 20W CLASS B DUAL
Manufacturer
STMicroelectronics
Type
Class Br
Datasheet

Specifications of TDA2005R

Output Type
1-Channel (Mono) or 2-Channel (Stereo)
Max Output Power X Channels @ Load
22W x 1 @ 3.2 Ohm; 12W x 2 @ 2 Ohm
Voltage - Supply
8 V ~ 18 V
Features
Short-Circuit and Thermal Protection
Mounting Type
Through Hole
Package / Case
Multiwatt-11 (Vertical, Bent and Staggered Leads)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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TDA2005
3
Table 8.
1. The closed loop gain must be higher than 32 dB.
Component
C9, C10
C5, C7
C6, C8
R4, R5
R6, R7
C1
C2
C3
C4
R1
R2
R3
Application suggestion
The recommended values of the components are those shown on bridge application circuit
of
Recommended values of the component of the bridge application circuit
Figure
Recommended
100 μF
220 μF
120 kΩ
2.2 μF
2.2 μF
0.1 μF
0.1 μF
10 μF
value
1 kΩ
2 kΩ
12 Ω
1 Ω
3. Different values can be used; the following table can help the designer.
Input DC decoupling
Optimization of turn on
Pop and turn on Delay
Supply bypass
Ripple rejection
Bootstrapping
Feedback input DC
decoupling, low
frequency cut-off
Frequency stability
Optimization of the
output symmetry
-
-
Closed loop gain setting
(see Bridge Amplifier
Design
Frequency stability
(1)
Purpose
)
Doc ID 1451 Rev 4
-
High turn on delay
-
Increase of SVR,
Increase of the Switch-
on Time
-
-
-
Smaller P
-
-
-
Danger of oscillation at
high frequencies with
inductive loads
Larger than
omax
Application suggestion
-
High Turn on Pop, Higher
low frequency cutoff
Increase of Noise
Danger of oscillation
Degradation of SVR
Increase of distortion at
low frequency
Danger of oscillation at
high frequencies with
inductive loads
Danger of oscillation
Smaller P
-
-
-
-
Smaller than r
omax
15/25