TDA7266SA, 规格书,Datasheet 资料.pdfVIP

1/11 TDA7266SA September 2003 ■ WIDE SUPPLY VOLTAGE RANGE (3.5-18V) ■ MINIMUM EXTERNAL COMPONENTS – NO SWR CAPACITOR – NO BOOTSTRAP – NO BOUCHEROT CELLS – INTERNALLY FIXED GAIN ■ STAND-BY MUTE FUNCTIONS ■ SHORT CIRCUIT PROTECTION ■ THERMAL OVERLOAD PROTECTION DESCRIPTION The TDA7266SA is a dual bridge amplifier specially designed for LCD Monitor, PC Motherboard, TV and Portable Radio applications. Pin to pin compatible with: TDA7266S, TDA7266, TDA7266M, TDA7266MA, TDA7266B, TDA7297SA TDA7297. CLIPWATT15 ORDERING NUMBER: TDA7266SA 7W+7W DUAL BRIDGE AMPLIFIER BLOCK AND APPLICATION DIAGRAM 1 2 4 Vref ST-BY 7 IN1 0.22μF VCC 133 D94AU175B + - - + OUT1+ OUT1- 15 14 12 MUTE 6 IN2 0.22μF + - - + OUT2+ OUT2- 8 9 S-GND PW-GND 470μF 100nF TECHNOLOGY BI20II 芯天下--/ TDA7266SA 2/11 ABSOLUTE MAXIMUM RATINGS THERMAL DATA PIN CONNECTION (Top view) Symbol Parameter Value Unit Vs Supply Voltage 20 V IO Output Peak Current (internally limited) 2 A Ptot Total Power Dissipation (Tamb = 70°C) 20 W Top Operating Temperature 0 to 70 °C Tstg, Tj Storage and Junction Temperature -40 to 150 °C Symbol Parameter Value Unit Rth j-case Thermal Resistance Junction-case Typ = 1.8; Max. = 2.5 °C/W Rth j-amb Thermal Resistance Junction-ambient 48 °C/W ELECTRICAL CHARACTERISTCS (VCC = 11V, RL = 8?, f = 1KHz, Tamb = 25°C unless otherwise specified) Symbol Parameter Test Condition Min. Typ. Max. Unit VCC Supply Range 3 11 18 V Iq Total Quiescent Current 50 65 mA VOS Output Offset Voltage 120 mV PO Output Power THD 10% 6.3 7 W THD Total Harmonic Distortion PO = 1W 0.05 0.2 % PO = 0.1W to 2W f = 100Hz to 15KHz 1 % SVR Supply Voltage Rejection f = 100Hz, VR =0.5V 40 56 dB CT Crosstalk 46 60 dB AMUTE Mute Attenuation 60 80 dB Tw Thermal Threshold 150 °C GV Closed Loop Voltage Gain 25 26 27 dB ?GV Voltage Gain Matching 0.5 dB 1 2 3 4 5 6 7 9 10 11 8 N.C. N.C. S-GND PW-GND OUT2+ OUT2- VCC IN2 ST-BY MUTE N.C. IN1 VCC OUT1- OUT1+ D03AU1463 13 14 15 12 芯天下--/ 3/11 TDA7266SA APPLICATION SUGGESTION STAND-BY AN