tda7294 100V - 100W DMOS audio amplifier - 320Volt

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TDA7294 PIN CONNECTION (Top view) TAB connected to -V S BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V S Supply Voltage (No Signal) ±50 V I O Output Peak Current 10 A P tot Power Dissipation T case = 70°C 50 W T op Operating Ambient Temperature Range 0 to 70 °C T stg , T j Storage and Junction Temperature 150 °C 2/17
TDA7294 THERMAL DATA Symbol Description Value Unit R th j-case Thermal Resistance Junction-case Max 1.5 °C/W ELECTRICAL CHARACTERISTICS (Refer to the Test Circuit VS = ±35V, RL = 8Ω, GV = 30dB; Rg = 50 Ω; Tamb = 25°C, f = 1 kHz; unless otherwise specified. Symbol Parameter Test Condition Min. Typ. Max. Unit V S Supply Range ±10 ±40 V I q Quiescent Current 20 30 65 mA I b Input Bias Current 500 nA V OS Input Offset Voltage +10 mV I OS Input Offset Current +100 nA P O RMS Continuous Output Power d = 0.5%: V S = ± 35V, R L = 8Ω V S = ± 31V, R L = 6Ω V S = ± 27V, R L = 4Ω Music Power (RMS) IEC268.3 RULES - ∆t = 1s (*) d = 10% R L = 8Ω ; V S = ±38V R L = 6Ω ; V S = ±33V R L = 4Ω ; V S = ±29V (***) d Total Harmonic Distortion (**) P O = 5W; f = 1kHz P O = 0.1 to 50W; f = 20Hz to 20kHz V S = ±27V, R L = 4Ω: P O = 5W; f = 1kHz P O = 0.1 to 50W; f = 20Hz to 20kHz 60 60 60 70 70 70 100 100 100 0.005 0.01 % 0.1 % SR Slew Rate 7 10 V/µs G V Open Loop Voltage Gain 80 dB G V Closed Loop Voltage Gain 24 30 40 dB e N Total Input Noise A = curve f = 20Hz to 20kHz 0.1 1 2 5 f L, f H Frequency Response (-3dB) P O = 1W 20Hz to 20kHz R i Input Resistance 100 kΩ SVR Supply Voltage Rejection f = 100Hz; V ripple = 0.5Vrms 60 75 dB T S Thermal Shutdown 145 °C STAND-BY FUNCTION (Ref: -V S or GND) V ST on Stand-by on Threshold 1.5 V V ST off Stand-by off Threshold 3.5 V ATT st-by Stand-by Attenuation 70 90 dB I q st-by Quiescent Current @ Stand-by 1 3 mA MUTE FUNCTION (Ref: -V S or GND) V Mon Mute on Threshold 1.5 V V Moff Mute off Threshold 3.5 V ATT mute Mute AttenuatIon 60 80 dB Note (*): MUSIC POWER CONCEPT MUSIC POWER is the maximal power which the <strong>amplifier</strong> is capable of producing across the rated load resistance (regardless of non linearity) 1 sec after the application of a sinusoidal input signal of frequency 1KHz. Note (**): Tested with optimized Application Board (see fig. 2) Note (***): Limited by the max. allowable current. W W W W W W % % µV µV 3/17
Page 1: ® TDA7294 100V - 100W DMOS AUDIO A
Page 5 and 6: TDA7294 APPLICATION SUGGESTIONS (se
Page 7 and 8: TDA7294 TYPICAL CHARACTERISTICS (co
Page 9 and 10: TDA7294 Figure 16: Turn ON/OFF Sugg
Page 11 and 12: TDA7294 Figure 19: P.C.B. and Compo
Page 13: TDA7294 BRIDGE APPLICATION Another

tda7294 100V - 100W DMOS audio amplifier - 320Volt

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