15+15W DUAL BRIDGE AMPLIFIER
® TDA7297
15+15W DUAL BRIDGE AMPLIFIER
WIDE SUPPLY VOLTAGE RANGE (6V -18V) MINIMUM EXTERNAL COMPONENTS – NO SVR CAPACIT...
Description
® TDA7297
15+15W DUAL BRIDGE AMPLIFIER
WIDE SUPPLY VOLTAGE RANGE (6V -18V) MINIMUM EXTERNAL COMPONENTS – NO SVR CAPACITOR – NO BOOTSTRAP – NO BOUCHEROT CELLS – INTERNALLY FIXED GAIN STAND-BY & MUTE FUNCTIONS SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION
DESCRIPTION The TDA7297 is a dual bridge amplifier specially designed for TV and Portable Radio applications.
TECHNOLOGY BI20II
Multiwatt 15 ORDERING NUMBER: TDA7297
BLOCK AND APPLICATION DIAGRAM
0.22µF IN1
ST-BY
4 7
VCC 3 13
470µF
+ 1 OUT1+ -
100nF
S-GND
9 Vref
0.22µF IN2
12
MUTE
6
- 2 OUT1+
+ 15 OUT2+ -
September 2003
PW-GND 8
- 14 OUT2+
D94AU175B
1/9
TDA7297
ABSOLUTE MAXIMUM RATINGS
Symbol VS IO Ptot Top
Tstg, Tj
Parameter Supply Voltage Output Peak Current (internally limited) Total Power Dissipation (Tcase = 70°C) Operating Temperature Storage and Junction Temperature
THERMAL DATA
Symbol
Description
Rth j-case Thermal Resistance Junction to case
PIN CONNECTION (Top view)
Value 20 2 33
0 to 70 -40 to +150
Unit V A W °C °C
Value
Typ. 1.4
Max. 2
Unit °C/W
15 OUT2+ 14 OUT213 VCC 12 IN2 11 N.C. 10 N.C.
9 S-GND 8 PW-GND 7 ST-BY 6 MUTE 5 N.C. 4 IN1 3 VCC 2 OUT11 OUT1+
D95AU261
ELECTRICAL CHARACTERISTICS (VCC = 16.5V, RL = 8Ω, f = 1kHz, Tamb = 25°C unless otherwise specified.)
Symbol VCC Iq VOS PO THD
Parameter Supply Range Total Quiescent Current Output Offset Voltage Output Power Total Harmonic Distortion
SVR CT AMUTE TW GV ∆Gv Ri
Supply Voltage Rejection Crosstalk Mute Attenuatio...
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