|
TDA7295 Datasheet, PDF (1/13 Pages) STMicroelectronics – 80V - 80W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY | |||
|
®
TDA7295
80V - 80W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY
VERY HIGH OPERATING VOLTAGE RANGE
(±40V)
DMOS POWER STAGE
HIGH OUTPUT POWER (UP TO 80W 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 TDA7295 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: TDA7295V
to the high out current capability it is able to sup-
ply the highest power into both 4⦠and 8⦠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.
VM
VSTBY
R3 22K
C2
22µF
R2
680â¦
IN- 2
C1 470nF
IN+ 3
R1 22K
IN+MUTE 4
C7 100nF
+Vs
7
-
+
+Vs C6 1000µF
+PWVs
13
14 OUT
C5
22µF
6
BOOTSTRAP
R5 10K
R4 22K
C3 10µF
MUTE 10
MUTE
STBY 9
STBY
1
C4 10µF
STBY-GND
THERMAL
SHUTDOWN
8
-Vs
S/C
PROTECTION
15
-PWVs
C9 100nF
-Vs
C8 1000µF
D93AU011
July 1999
1/13
|
▷ |