TDA7263
12 +12W STEREO AMPLIFIER WITH MUTING
WIDE SUPPLY VOLTAGE RANGE HIGH OUTPUT POWER
12+12W @ VS=28V, RL = 8Ω, THD=10%
MUTE FACILITY (POP FREE) WITH LOW CONSUMPTION
AC SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION
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.
Clipwatt11
ORDERING NUMBER:TDA7263
TEST AND APPLICATION CIRCUIT
March 1995 |
1/8 |
TDA7263
ABSOLUTE MAXIMUM RATINGS
Symbol |
Parameter |
Value |
Unit |
VS |
Supply Voltage |
35 |
V |
IO |
Output Peak Current (repetitive f >20Hz) |
2.5 |
A |
IO |
Output Peak Current (non repetitive, t = 100μs) |
3.5 |
A |
Ptot |
Total Power Dissipation (Tcase = 70°C) |
25 |
W |
Top |
Operating Temperature Range |
0 to 70 |
°C |
Tstg,Tj |
Storage & Junction Temperature |
-40 to 150 |
°C |
PIN CONNECTION (Top view)
BLOCK DIAGRAM
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TDA7263 |
THERMAL DATA |
|
|
|
|
Symbol |
Parameter |
|
Value |
Unit |
Rth j-case |
Thermal resistance junction to case |
Max |
3 |
°C/W |
ELECTRICAL CHARACTERISTICS (Refer to the stereo test and application circuit, VS = 28V; RL = 8Ω; Gv = 30dB; f = 1KHz; Tamb = 25°C unless otherwise specified.)
Symbol |
Parameter |
Test Condition |
Min. |
Typ. |
Max. |
Unit |
VS |
Supply Voltage |
|
10 |
|
32 |
V |
VO |
Quiescent Output Voltage |
|
|
13.5 |
|
V |
Iq |
Total Quiescent Current |
|
|
70 |
95 |
mA |
PO |
Output Power (RMS) |
d = 10% Tamb = 85°C |
10 |
12 |
|
W |
|
|
d = 1% |
|
9.5 |
|
W |
d |
Total Harmonic Distortion |
PO = 1W, f = 1kHz |
|
0.02 |
0.2 |
% |
|
|
f = 100Hz to 10KHz; PO = 0.1 to 8W |
|
|
0.5 |
|
CT |
Cross Talk |
RS = 10KΩ; f = 1KHz |
|
70 |
|
dB |
|
|
RS = 10KΩ; f = 10KHz |
|
60 |
|
dB |
RI |
Input Resistance |
|
100 |
200 |
|
KΩ |
fL |
Low Frequency Roll-off (-3dB) |
|
|
40 |
|
Hz |
fH |
High Frequency Roll-off (-3dB) |
|
|
80 |
|
KHz |
eN |
Total Input Noise Voltage |
A Curve; RS = 10KΩ |
|
1.5 |
|
mV |
|
|
f = 22Hz to 22KHz; RS = 10KΩ |
|
3 |
10 |
μV |
SVR |
Supply Voltage Rejection |
RS = 10KΩ; f = 100Hz; Vr = 0.5V |
45 |
60 |
|
dB |
|
(each channel) |
|
|
|
|
|
Tj |
Thermal Shutdown Junction |
|
|
145 |
|
°C |
|
Temperature |
|
|
|
|
|
MUTE FUNCTION |
|
|
|
|
|
|
VTMUTE |
Mute Threshold |
|
1 |
1.6 |
|
V |
VTPLAY |
Play Threshold |
|
|
4.5 |
|
V |
ATTAM |
Mute Attenuation |
|
70 |
100 |
|
dB |
IqMUTE |
Quiescent Current @ Mute |
|
|
7 |
10 |
mA |
TYPICAL CHARACTERISTICS (referred to the typical Application Circuit, VS = 28V, RL = 8Ω, unless
otherwise specified) |
|
Figure 1: Output Power vs. Supply Voltage |
Figure 2: Distortion vs. Output Power |
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