TDA7293 ST Microelectronics, TDA7293 Datasheet
TDA7293
Manufacturer Part Number
TDA7293
Description
120V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY
Manufacturer
ST Microelectronics
Datasheet
1.TDA7293.pdf
(13 pages)
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
TDA7293
Manufacturer:
FREESCALE
Quantity:
560
Part Number:
TDA7293
Manufacturer:
ST
Quantity:
20 000
Part Number:
TDA7293V
Manufacturer:
ST
Quantity:
20 000
DESCRIPTION
The TDA7293 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-
Figure 1: Typical Application and Test Circuit
December1999
( 50V)
10%, R
EASILY CONNECTED IN PARALLEL TO
DRIVE VERY LOW IMPEDANCES)
VERY HIGH OPERATING VOLTAGE RANGE
DMOS POWER STAGE
HIGH OUTPUT POWER (100W @ THD =
MUTING/STAND-BY FUNCTIONS
NO SWITCH ON/OFF NOISE
VERY LOW DISTORTION
VERY LOW NOISE
SHORT CIRCUIT PROTECTION
THERMAL SHUTDOWN
CLIP DETECTOR
MODULARITY (MORE DEVICES CAN BE
120V - 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY
VMUTE
VSTBY
L
= 8 , V
C3 10 F
22 F
R5 10K
R4 22K
C2
S
R1 22K
= 40V)
C1 470nF
680
R2
(*) see Application note
(**) for SLAVE function
SGND
(**)
MUTE
STBY
IN+
IN-
C4 10 F
R3 22K
2
3
4
10
9
MUTE
STBY
1
STBY-GND
C7 100nF
+
-
+Vs
7
8
-Vs
C9 100nF
BUFFER DRIVER
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 and 8 loads.
The built in muting function with turn on delay
simplifies the remote operation avoiding switching
on-off noises.
Parallel mode is made possible by connecting
more device through of pin11. High output power
can be delivered to very low impedance loads, so
optimizing the thermal dissipation of the system.
SHUTDOWN
THERMAL
11
MULTIPOWER BCD TECHNOLOGY
-Vs
ORDERING NUMBER: TDA7293V
15
-PWVs
+Vs
PROTECTION
+PWVs
13
S/C
C6 1000 F
C8 1000 F
Multiwatt15
14
12
6
5
D97AU805A
OUT
BOOT
LOADER
BOOTSTRAP
CLIP DET
22 F
TDA7293
C5
VCLIP
(*)
1/13
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