TDA7297 STMicroelectronics

TDA7297 15+15W DUAL BRIDGE AMPLIFIER WIDE SUPPLY VOLTAGE RANGE (6V -18V) TECHNOLOGY BI20II MINIMUM EXTERNAL COMPONENTS NO SVR CAPACITOR NO BOOTSTRAP NO BOUCHEROT CELLS INTERNALLY FIXED GAIN STAND-BY & MUTE FUNCTIONS SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION Multiwatt 15 ORDERING NUMBER: TDA7297 DESCRIPTION The TDA7297 is a dual bridge amplifier specially designed for TV and Portable Radio applications. BLOCK AND APPLICATION DIAGRAM V CC 470m F 100nF 3 13 0.22m F 4 IN1 + 1 OUT1+ - ST-BY 7 S-GND 9 - 2 OUT1- Vref + 0.22m F 12 IN2 + 15 OUT2+ - MUTE 6 - 14 OUT2- PW-GND 8 + D94AU175B September 2003 1/9TDA7297 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V Supply Voltage 20 V S I Output Peak Current (internally limited) 2 A O P Total Power Dissipation (T = 70C) 33 W tot case T Operating Temperature 0 to 70 C op T , T Storage and Junction Temperature -40 to +150 C stg j THERMAL DATA Symbol Description Value Unit R Thermal Resistance Junction to case Typ. 1.4 Max. 2 C/W th j-case PIN CONNECTION (Top view) 15 OUT2+ 14 OUT2- 13 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 V CC 2 OUT1- 1 OUT1+ D95AU261 ELECTRICAL CHARACTERISTICS (V = 16.5V, R = 8, f = 1kHz, T = 25C unless otherwise CC L amb specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit V Supply Range 6.5 18 V CC I Total Quiescent Current R = 50 65 mA q L VOS Output Offset Voltage 120 mV P Output Power THD = 10% 13 15 W O THD Total Harmonic Distortion P = 1W 0.1 0.3 % O P = 0.1W to 5W 1% O f = 100Hz to 15kHz SVR Supply Voltage Rejection f = 100Hz V = 0.5V 40 56 dB R CT Crosstalk 46 60 dB A Mute Attenuation 60 80 dB MUTE T Thermal Threshold 150 C W G Closed Loop Voltage Gain 31 32 33 dB V Gv Voltage Gain Matching 0.5 dB R Input Resistance 25 30 K i 2/9