TDA7566
MULTIFUNCTION QUAD POWER AMPLIFIER
WITH BUILT-IN DIAGNOSTICS FEATURES
s
s
s
s
s
s
s
s
s
DMOS POWER OUTPUT
HIGH OUTPUT POWER CAPABILITY 4x25W/
4鈩?@ 14.4V, 1KHZ, 10% THD, 4x35W EIAJ
MAX. OUTPUT POWER 4x60W/2W
FULL I2C BUS DRIVING:- ST-BY-
INDEPENDENT FRONT/REAR SOFT PLAY/
MUTE- SELECTABLE GAIN 26dB - 12dB- I2C
BUS DIGITAL DIAGNOSTICS
FULL FAULT PROTECTION
DC OFFSET DETECTION
FOUR INDEPENDENT SHORT CIRCUIT
PROTECTION
CLIPPING DETECTOR (1%/10%)
ESD PROTECTION
MULTIPOWER BCD TECHNOLOGY
MOSFET OUTPUT POWER STAGE
FLEXIWATT25
ORDERING NUMBER: TDA7566
a very low distortion allowing a clear powerful sound.
This device is equipped with a full diagnostics array
that communicates the status of each speaker
through the I
2
C bus.
The possibility to control the configuration and be-
haviour of the device by means of the I
2
C bus makes
TDA7566 a very flexible machine.
DESCRIPTION
The TDA7566 is a new BCD technology QUAD
BRIDGE type of car radio amplifier in Flexiwatt25
package specially intended for car radio applications.
Thanks to the DMOS output stage the TDA7566 has
BLOCK DIAGRAM
CLK
DATA
V
CC1
V
CC2
CD_OUT
REFERENCE
THERMAL
PROTECTION
& DUMP
I2C BUS
MUTE1 MUTE2
CLIP
DETECTOR
IN RF
F
OUT RF+
12/26dB
OUT RF-
R
SHORT CIRCUIT
PROTECTION &
DIAGNOSTIC
OUT RR+
12/26dB
OUT RR-
F
SHORT CIRCUIT
PROTECTION &
DIAGNOSTIC
OUT LF+
12/26dB
OUT LF-
R
SHORT CIRCUIT
PROTECTION &
DIAGNOSTIC
OUT LR+
12/26dB
OUT LR-
SHORT CIRCUIT
PROTECTION &
DIAGNOSTIC
SVR
D00AU1229
IN RR
IN LF
IN LR
AC_GND
RF
RR
LF
LR
TAB
PW_GND
S_GND
September 2003
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