Philips TDA8566 - Manual (Page 3)

TDA8566_6 © NXP B.V. 2007. All rights reserved.
Product data sheet Rev. 06 — 15 October 2007 3 of 21
NXP Semiconductors
TDA8566
2
×
40 W/2
Ω
stereo BTL car radio power amplifier
5. Block diagram
(1) Pin HEATTAB is available in TDA8566TH1 only.
Fig 1. Block diagram
CM
V
A
(9 × )
2.3 k Ω
2.3
k Ω
mute
switch
CM
V A
V A
1
×
standby
reference
voltage
standby
switch
mute
reference
voltage
V ref mute
switch
CLIP
(9 × )
2.3 k Ω
2.3
k Ω
60
k Ω
60
k Ω
60
k Ω
60
k Ω
mute
switch
CM
V
A
(9 × )
2.3 k Ω
2.3
k Ω
mute
switch
CM
V A
TDA8566
V P2 V P1
PGND2 PGND1
OUT2 −
OUT2+
OUT1 −
OUT1+
IN1
−
IN1+
IN2 −
IN2+
SGND
HEATTAB (1)
n.c.
DIAG
MODE
CLIP
mgu358
(9 × )
2.3 k Ω
2.3
k Ω
mute
switch
DIAG