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TDA7294V Datasheet(PDF) 3 Page - STMicroelectronics |
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TDA7294V Datasheet(HTML) 3 Page - STMicroelectronics |
3 / 16 page THERMAL DATA Symbol Description Value Unit Rth 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 VS Supply Range ±10 ±40 V Iq Quiescent Current 20 30 60 mA Ib Input Bias Current 500 nA VOS Input Offset Voltage +10 mV IOS Input Offset Current +100 nA PO RMS Continuous Output Power d = 0.5%: VS = ± 35V, RL =8Ω VS = ± 31V, RL =6Ω VS = ± 27V, RL =4Ω 60 60 60 70 70 70 W W W Music Power (RMS) IEC268.3 RULES - ∆t = 1s (*) d = 10% RL =8 Ω ;VS = ±38V RL =6 Ω ;VS = ±33V RL =4 Ω ;VS = ±29V (***) 100 100 100 W W W d Total Harmonic Distortion (**) PO = 5W; f = 1kHz PO = 0.1 to 50W; f = 20Hz to 20kHz 0.005 0.1 % % VS = ±27V, RL =4Ω: PO = 5W; f = 1kHz PO = 0.1 to 50W; f = 20Hz to 20kHz 0.01 0.1 % % SR Slew Rate 7 10 V/ µs GV Open Loop Voltage Gain 80 dB GV Closed Loop Voltage Gain 24 30 40 dB eN Total Input Noise A = curve f = 20Hz to 20kHz 1 25 µV µV fL,fH Frequency Response (-3dB) PO = 1W 20Hz to 20kHz Ri Input Resistance 100 k Ω SVR Supply Voltage Rejection f = 100Hz; Vripple = 0.5Vrms 60 75 dB TS Thermal Shutdown 145 °C STAND-BY FUNCTION (Ref: -VS or GND) VST on Stand-by on Threshold 1.5 V VST off Stand-by off Threshold 3.5 V ATTst-by Stand-by Attenuation 70 90 dB Iq st-by Quiescent Current @ Stand-by 1 3 mA MUTE FUNCTION (Ref: -VS or GND) VMon Mute on Threshold 1.5 V VMoff Mute off Threshold 3.5 V ATTmute Mute AttenuatIon 60 80 dB Note (*): MUSIC POWER CONCEPT MUSIC POWER is the maximal power which the amplifier 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. TDA7294 3/16 |
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