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TDA7498L Datasheet(PDF) 9 Page - STMicroelectronics |
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TDA7498L Datasheet(HTML) 9 Page - STMicroelectronics |
9 / 27 page TDA7498L Electrical specifications Doc ID 16504 Rev 3 9/27 3.4 Electrical specifications Unless otherwise stated, the results in Table 6 below are given for the conditions: VCC =32V, RL (load) = 6 Ω, ROSC = R3 = 39 kΩ, C8 = 100 nF, f = 1 kHz, GV = 25.6 dB and Tamb = 25 °C. Table 6. Electrical specifications Symbol Parameter Condition Min Typ Max Unit Iq Total quiescent current No LC filter, no load - 40 60 mA IqSTBY Quiescent current in standby - - 1 10 µA VOS Output offset voltage Play mode -100 - 100 mV Mute mode -60 - 60 IOCP Overcurrent protection threshold RL = 0 Ω 5.0 6.0 - A TjS Junction temperature at thermal shutdown - - 150 - °C Ri Input resistance Differential input 48 60 - k Ω VOVP Overvoltage protection threshold - 42 43 - V VUVP Undervoltage protection threshold - --8 V RdsON Power transistor on resistance High side - 0.2 - Ω Low side - 0.2 - Po Output power THD = 10% - 80 - W THD = 1% - 65 - Po Output power RL = 8 Ω, THD = 10%, VCC = 32V -65 - W PD Dissipated power Po = 80 W + 80 W, THD = 10% -16 - W η Efficiency Po = 80 W + 80W - 90 - % THD Total harmonic distortion Po = 1 W - 0.1 - % GV Closed-loop gain GAIN0 = L, GAIN1 = L 24.6 25.6 26.6 dB GAIN0 = L, GAIN1 = H 30.6 31.6 32.6 GAIN0 = H, GAIN1 = L 34.1 35.1 36.1 GAIN0 = H, GAIN1 = H 36.6 37.6 38.6 ΔGV Gain matching - -1 - 1 dB CT Crosstalk f = 1 kHz, Po = 1 W 5070- dB eN Total input noise A Curve, GV = 20 dB - 15 - µV f = 22 Hz to 22 kHz - 25 50 SVRR Supply voltage rejection ratio fr = 100 Hz, Vr = 0.5 Vpp, CSVR = 10 µF -70 - dB Tr, Tf Rise and fall times - - 50 - ns |
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