EIAJ/4鈩?/div>
FULL I
2
C BUS DRIVING:
鈥?ST-BY
鈥?INDEPENDENT FRONT/REAR SOFT PLAY/MUTE
鈥?SELECTABLE GAIN 26dB - 12dB (FOR
LOW NOISE LINE OUTPUT FUNCTION)
鈥?HIGH EFFICIENCY ENABLE/DISABLE
鈥?VOLTAGE CONVERTER ENABLE/DISABLE
鈥?REGULATED VOLTAGE SELECTION
鈥?SWITCHING FREQUENCY SELECTION
HARDWARE MUTE FUNCTION
FULL FAULT PROTECTION
DC OFFSET DETECTION
FOUR INDEPENDENT SHORT CIRCUIT
PROTECTION
CLIPPING DETECTOR WITH SELECTABLE
THRESHOLD (1%/10%) VIA I
2
C BUS
MULTIPOWER BCD TECHNOLOGY
MOSFET OUTPUT POWER STAGE
s
FLEXIWATT27
ORDERING NUMBER: TDA7565
DESCRIPTION
The TDA7565 is a new BCD technology QUAD
BRIDGE type of car radio amplifier in Flexiwatt27
package specially intended for car radio applica-
tions. Thanks to the DMOS output stage the
TDA7565 has a very low distortion allowing a clear
powerful sound. The built-in voltage converter
control block assures a very high output power
with an extremely low number of added compo-
nents.The dissipated power under average listen-
ing condition is alligned to the conventional
solutions (4x40W).
s
s
s
s
s
BLOCK DIAGRAM
V
S
MUTE
CLK
DATA
V
CC1
V
CC2
CC GND
I2C BUS
MUTE1 MUTE2
CLIP
DETECTOR
VOLTAGE
CONVERTER
CONTROL
MG
VOLTAGE
CONVERTER
EXTERNAL
CIRCUIT
IN RF
F
OUT RF+
12/26dB
OUT RF-
R
SHORT CIRCUIT
PROTECTION
OUT RR+
12/26dB
OUT RR-
F
SHORT CIRCUIT
PROTECTION
OUT LF+
12/26dB
OUT LF-
R
SHORT CIRCUIT
PROTECTION
OUT LR+
12/26dB
OUT LR-
SHORT CIRCUIT
PROTECTION
IN RR
IN LF
IN LR
SVR
AC_GND
RF
RR
LF
LR
TAB
S_GND
D00AU1232A
PW_GND
September 2003
This is preliminary information on a new product now in development. Details are subject to change without notice.
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