Philips TDA1562Q - Page 19

Philips Semiconductors
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TDA1562Q application note
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©
Koninklijke Philips Electronics N.V.
2004
. All rights reserved.
Application note Rev. 01.02 — 05 May 2006 19 of 62
Fig 7. Basic application of the TDA1562
Figure 7 shows the basic application diagram of the TDA1562.
With the exception of the components connected to pins 3 and 5 and 13 and 15 it
is the schematic of any class AB BTL amplifier with a symmetrical input. In this
paragraph, the different components in the application will be discussed.
Rload
+
C-lift
+
C-lift
Csup2
+
Csup1
Vsupply
P.Gnd
1k
diag. led
-
-
+
100k
1k
10k
P. gnd
Cin 2
Cin 1
+
22uF
P.gnd
M.S.pin
Input signal
+
Cref
Sig.gnd
17
2
15
13
14
3
8
4
1
7
10 9 5
12
6
11
P. Gnd
SCHOTTKY
SCHOTTKY
P. Gnd
Rin
Rin
+
47nF
47nF
C-emi
C-emi
P. Gnd
P. Gnd
P. Gnd
P. Gnd
10
10