SGS Thomson Microelectronics TDA7497 Datasheet
TDA7497
10W+10W+10W/15W TRIPLE AMPLIFIER
PRODUCT PREVIEW
10+10W(RL=8Ω) + 15W ( RL=6Ω)
or 10+10+ 10W (R
OUTPUTPOWER@THD = 10% V
=8Ω)
L
CC
= 29V
INDEPENDENT MUTE FOR CENTER CHANNEL AND MAIN CHANNELS
NO TURN-ON TURN-OFF POP NOISE
NO BOUCHEROTCELL
SINGLESUPPLYRANGINGUP TO 35V
SHORTCIRCUITPROTECTION
THERMALOVERLOADPROTECTION
INTERNALLYFIXED GAIN
SOFTCLIPPING
MULTIWATT 15 PACKAGE
DESCRIPTION
The TDA7497 is a triple 10+10+10W/15W class
AB power amplifier assembled in the @ Multiwatt
15 package, specially designed for high quality
sound, TV applications.
BLOCK AND APPLICATION DIAGRAM
V
S_C
2
MUTE/STBY
PROTECTIONS
+
-
+
-30K
INR
INL
PW_GND
470nF
S_GND
PW_GND_C
470nF
11
1
30K
8
4
5
MULTIPOWERBI50II TECHNOLOGY
Multiwatt15
ORDERING NUMBER: TDA7497
Features of the TDA7497 include mute functions,
independently controller for main and center
channels.
V
S
13
OP AMP
60K
OP AMP
15
14
10
12
9
PW_GND
1000µF
OUTR
1µF
MUTE2
MUTE1
OUTL
1000µF
1µF
10K
10K
MUTE2
S1
(CENTER)
S2
MUTE1
(L/R)
S_GND
+5V
+5V
INC 3 OUTC
470nF
470µF
6
SVR 7
+
-30K
OP AMP
1000µF
D98AU961B
January 2000
This is preliminary information on a new product foreseen to be developed. Details are subject tochange without notice.
1/5
TDA7497
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
V
S
P
tot
amb
T
T
stg,Tj
(1) Operation between -20 to 85 °C guaranteed by correlation with 0 to 70°C.
PIN CONNECTION (Top view)
DC Supply Voltage 40 V
Total Power Dissipation (Tamb = 70°C) 20 W
Ambient Operating Temperature (1) 0 to 70 °C
Storage and Junction Temperature -40 to 150 °C
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
D98AU962A
PW_GND
OUTR
V
S
OUTL
PW_GND
MUTE1 (L/R)
MUTE2 (CENTER)
S_GND
SVR
INC
INL
PW_GND_C
OUTC
V
S_C
INC
THERMAL DATA
Symbol Parameter Value Unit
R
th j-case
R
th j-amb
Thermal Resistance Junction-case Typ. = 1.3 Max. = 1.9 °C/W
Thermal Resistance Junction-ambient max 35 °C/W
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