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TDA7492MV Datasheet(PDF) 9 Page - STMicroelectronics |
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TDA7492MV Datasheet(HTML) 9 Page - STMicroelectronics |
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9 / 26 page  TDA7492MV Electrical specifications Doc ID 16264 Rev 1 9/26 VUVP Undervoltage protection threshold - --7 V RdsON Power transistor on resistance High side - 0.2 - Ω Low side - 0.2 - Po Output power THD = 10% - 40 - W THD = 1% - 32 - Po Output power RL = 6 Ω, THD = 10%, VCC = 25V -50 - W RL = 6 Ω, THD = 1% VCC = 25V -40 - PD Dissipated power Po =40W, THD = 10% - 4.0 - W η Efficiency Po = 40 W 8090- % THD Total harmonic distortion Po = 1 W - 0.1 0.4 % GV Closed-loop gain GAIN0 = L, GAIN1 = L 20.6 21.6 22.6 dB GAIN0 = L, GAIN1 = H 26.6 27.6 28.6 GAIN0 = H, GAIN1 = L 30.1 31.1 32.1 GAIN0 = H, GAIN1 = H 32.6 33.6 34.6 ∆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 range With internal oscillator (1) 250 - 400 kHz With external oscillator (2) 250 - 400 VinH Digital input high (H) - 2.3 - - V VinL Digital input low (L) - - 0.8 AMUTE Mute attenuation VMUTE = 1 V 60 80 - dB 1. fSW = 10 6 / ((16 * R OSC + 182) * 4) kHz, fSYNCLK = 2 * fSW with R3 = 39 kΩ (see Figure 21.). 2. fSW = fSYNCLK / 2 with the frequency of the external oscillator. Table 5. Electrical specifications (continued) Symbol Parameter Condition Min Typ Max Unit |
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