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TDA7491MV 数据表(PDF) 9 Page - STMicroelectronics |
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TDA7491MV 数据表(HTML) 9 Page - STMicroelectronics |
9 / 28 page TDA7491MV Electrical specifications Doc ID 14576 Rev 2 9/28 VUVP Undervoltage protection threshold - --4 V RdsON Power transistor on resistance High side - 0.2 - Ω Low side - 0.2 - Po Output power THD = 10% - 20 - W THD = 1% - 16 - Po Output power RL = 8 Ω, THD = 10% VCC =12 V -9.5 - W RL = 8 Ω, THD = 1% VCC =12 V -7.2 - Po Output power RL = 6 Ω, THD = 10% VCC =16 V -20 - W RL = 6 Ω, THD = 1% VCC =16 V -16 - PD Dissipated power Po = 20 W THD = 10% - 2.0 - W η Efficiency Po = 20 W 80 90 - % THD Total harmonic distortion Po = 1 W - 0.1 0.2 % GV Closed loop gain GAIN0 = L, GAIN1 = L 18 20 22 dB GAIN0 = L, GAIN1 = H 24 26 28 GAIN0 = H, GAIN1 = L 28 30 32 GAIN0 = H, GAIN1 = H 30 32 34 ∆GV Gain matching - -1 - 1 dB eN Total input noise A Curve, GV = 20 dB - 20 - µV f = 22 Hz to 22 kHz - 25 35 SVRR Supply voltage rejection ratio fr = 100 Hz, Vr = 0.5 V, CSVR = 10 µF 40 50 - dB Tr, Tf Rise and fall times - - 50 - ns fSW Switching frequency Internal oscillator 290 310 330 kHz fSWR Output switching frequency With internal oscillator (1) 250 - - kHz With external oscillator (2) 250 - - VinH Digital input high (H) - 2.3 - - V VinL Digital input low (L) - - 0.8 AMUTE Mute attenuation VMUTE = 1 V 60 80 - dB Table 5. Electrical specifications (continued) Symbol Parameter Condition Min Typ Max Unit |
类似零件编号 - TDA7491MV |
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类似说明 - TDA7491MV |
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