TDA7266M STMicroelectronics

TDA7266M 7W MONO BRIDGE AMPLIFIER WIDE SUPPLY VOLTAGE RANGE (3-18V) TECHNOLOGY BI20II MINIMUM EXTERNAL COMPONENTS NO SWR CAPACITOR NO BOOTSTRAP NO BOUCHEROT CELLS INTERNALLY FIXED GAIN STAND-BY & MUTE FUNCTIONS SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION Multiwatt 15 ORDERING NUMBER: TDA7266M DESCRIPTION The TDA7266M is a mono bridge amplifier spe- cially designed for TV and Portable Radio appli- cations. BLOCK AND APPLICATION DIAGRAM V CC 470m F 100nF 3 13 0.22m F 4 V + 1 OUT1+ CC - ST-BY 7 S-GND 9 - 2 OUT1- Vref + PW-GND MUTE 6 8 D98AU831A 1/9 July 2002TDA7266M 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 N.C. 14 N.C. 13 VCC 12 N.C. 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+ D98AU832 ELECTRICAL CHARACTERISTICS (V = 11V, R = 8, f = 1kHz, T = 25C unless otherwise CC L amb specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit V Supply Range 3 11 18 V CC I Total Quiescent Current 50 65 mA q V Output Offset Voltage 120 mV OS P Output Power THD = 10% 6.3 7 W O THD Total Harmonic Distortion P = 1W 0.05 0.2 % O P = 0.1W to 2W 1% O f = 100Hz to 15kHz SVR Supply Voltage Rejection f = 100Hz VR = 0.5V 40 56 dB A Mute Attenuation 60 80 dB MUTE T Thermal Threshold 150 C W G Closed Loop Voltage Gain 25 26 27 dB V R Input Resistance 25 30 K i VT Mute Threshold for V > 6.4V V = -30dB 2.3 2.9 4.1 V MUTE CC O for V < 6.4V V = -30dB V /2 V /2 V /2 V CC O CC CC CC -1 -0.75 -0.5 2/9