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TDA7296AV Datasheet

  • TDA7296AV

  • 70V - 60W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY

  • 243.32KB

  • 13頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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TDA7296A
70V - 60W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY
PRODUCT PREVIEW
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
CLIPPING DETECTION OUTPUT
DESCRIPTION
The TDA7296A 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
to the high out current capability it is able to sup-
ply the highest power into both 4鈩?and 8鈩?loads
Figure 1:
Typical Application and Test Circuit
MULTIPOWER BCD TECHNOLOGY
Multiwatt 15
ORDERING NUMBER:
TDA7296AV
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.
The device provides a circuit for the detection of
clipping in the output stages. The output, on open
collector, is able to drive system with automatic
level control.
C7 100nF
R3 22K
C2
R2
22碌F 680鈩?/div>
C1 470nF
+Vs
IN-
2
7
-
+Vs
C6 1000碌F
+PWVs
13
14
OUT
C5
22碌F
6
5
BOOTSTRAP
+5V
IN+
3
+
CD
R1 22K
IN+MUTE
R5 10K
MUTE
STBY
R4 22K
C3 10碌F
C4 10碌F
4
10
9
VM
VSTBY
MUTE
STBY
1
STBY-GND
8
THERMAL
SHUTDOWN
S/C
PROTECTION
15
-PWVs
C8 1000碌F
D96AU494
-Vs
C9 100nF
-Vs
June 1996
This is preliminary information on a new product now in development. Details are subject to change without notice.
1/13

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