ST MICROELECTRONICS TDA 7263 Datasheet
®
12 +12W STEREO AMPLIFIER WITH MUTING
WIDE SUPP LY VOLTAGE RANGE
HIGH OUTPUT POWER
12+12W @ V
MUTE FACILITY (POP FREE) WITH LOW
CONSUMPTION
AC SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
=28V, RL = 8Ω, THD=10%
S
TDA7263
DESCRIPTION
The TDA7263 is class AB dual audio power amplifier assembled in the new Clipwatt package,
specially designed for high quality sound application as HI-FI music centers and stereo TV sets.
TEST AND APPLICATION CIRCUIT
Clipwatt11
ORDERING NUMBER:
TDA7263
September 2003
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
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TDA7263
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value Unit
Supply Voltage without Load 35 V
Output Peak Current (repetitive f >20Hz) 2 A
Total Power Dissipation (T
= 70°C) 25 W
case
Operating Temperature Range 0 to 70 °C
Storage & Junction Temperature -40 to 150 °C
T
V
I
O
P
T
op
stg,Tj
S
tot
PIN CONNECTION
BLOCK DIAGRAM
(Top view)
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THERMAL DATA
Symbol Parameter Value Unit
R
th j-case
Thermal resistance junction to case Max 3 °C/W
TDA7263
ELECTRICAL CHARACTERISTICS
Gv = 30dB; f = 1KHz; T
= 25°C unless otherwise specified.)
amb
(Refer to the stereo test and application circuit, V
= 28V; R
S
Symbol Parameter Test Condition Min. Typ. Max. Unit
V
S
V
O
I
q
P
O
d Total Harmonic Distortion P
Supply Voltage 10 30 V
Quiescent Output Voltage 13.5 V
Total Quiescent Current 70 95 mA
Output Power (RMS) d = 10% Tamb = 85°C
d = 1%
= 1W, f = 1kHz
O
f = 10 0Hz to 1 0KHz ; P
O
= 0.1 to 8W
10 12
9.5
0.02 0.2
0.5
CT Cross Talk RS = 10KΩ; f = 1KHz 70 dB
= 10KΩ; f = 10KHz 60 dB
R
S
R
f
L
f
H
e
N
Input Resistance 100 200 KΩ
I
Low Frequency Roll-off (-3dB) 40 Hz
High Frequency Roll-off (-3dB) 80 KHz
Total Input Noise Voltage A Curve; RS = 10KΩ 1.5 mV
f = 22Hz to 22KHz; RS = 10KΩ 310µV
SVR Supply Voltage Rejection
= 10KΩ; f = 100Hz; Vr = 0.5V 45 60 dB
R
S
(each channel)
T
j
Thermal Shutdown Junction
145 °C
Temperature
MUTE FUNCTION
VT
VT
ATT
I
qMUTE
MUTE
PLAY
Mute Threshold 1 1.6 V
Play Threshold 4.5 V
Mute Attenuation 70 100 dB
AM
Quiescent Current @ Mute 7 10 mA
= 8
Ω;
L
W
W
%
TYPICAL CHARACTERISTICS
otherwise specified)
Figure 1:
Output Power vs. Supply Voltage
(referred to the typical Application Circuit, V
Figure 2:
Distortion vs. Output Power
= 28V, RL = 8Ω, unless
S
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