TDA7296
70V - 60W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY
VERY HIGH OPERATING VOLTAGE RANGE
(鹵35V)
DMOS POWER STAGE
HIGH OUTPUT POWER (UP TO 60W MUSIC
POWER)
MUTING/STAND-BY FUNCTIONS
NO SWITCH ON/OFF NOISE
NO BOUCHEROT CELLS
VERY LOW DISTORTION
VERY LOW NOISE
SHORT CIRCUIT PROTECTION
THERMAL SHUTDOWN
DESCRIPTION
The TDA7296 is a monolithic integrated circuit in
Multiwatt15 package, intended for use as audio
class AB amplifier in Hi-Fi field applications
(Home Stereo, self powered loudspeakers, Top-
class TV). Thanks to the wide voltage range and
Figure 1:
Typical Application and Test Circuit
MULTIPOWER BCD TECHNOLOGY
Multiwatt 15
ORDERING NUMBER:
TDA7296V
to the high out current capability it is able to sup-
ply the highest power into both 4鈩?and 8鈩?loads
even in presence of poor supply regulation, with
high Supply Voltage Rejection.
The built in muting function with turn on delay
simplifies the remote operation avoiding switching
on-off noises.
C7 100nF
R3 22K
C2
22碌F
+Vs
R2
680鈩?/div>
C1 470nF
R1 22K
IN+MUTE
R5 10K
MUTE
STBY
R4 22K
C3 10碌F
C4 10碌F
4
10
9
IN-
2
7
-
+Vs
C6 1000碌F
+PWVs
13
14
OUT
C5
22碌F
6
BOOTSTRAP
IN+
3
+
VM
VSTBY
MUTE
STBY
1
STBY-GND
8
THERMAL
SHUTDOWN
S/C
PROTECTION
15
-PWVs
C8 1000碌F
D93AU011
-Vs
C9 100nF
-Vs
September 1997
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