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TDA7851F Scheda tecnica(PDF) 7 Page - STMicroelectronics |
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TDA7851F Scheda tecnica(HTML) 7 Page - STMicroelectronics |
7 / 18 page DocID17714 Rev 4 7/18 TDA7851F Electrical specifications 17 3 Electrical specifications 3.1 Absolute maximum ratings 3.2 Electrical characteristics Refer to the test and application diagram, VS = 14.4 V; RL = 4 Ω; Rg = 600 Ω; f = 1 kHz; Tamb = 25 °C; unless otherwise specified. Table 3. Absolute maximum ratings Symbol Parameter Value Unit VS Operating supply voltage 18 V VS (DC) DC supply voltage 28 V VS (pk) Peak supply voltage (for t = 50 ms) 50 V IO Output peak current Non repetitive (t = 100 μs) Repetitive (duty cycle 10% at f = 10 Hz) 10 9 A A Ptot Power dissipation Tcase = 70 °C 85 W Tj Junction temperature 150 °C Tstg Storage temperature -55 to 150 °C Table 4. Electrical characteristics Symbol Parameter Test condition Min. Typ. Max. Unit VS Supply voltage range - 8 - 18 V Iq1 Quiescent current RL = 100 150 300 mA VOS Output offset voltage Play mode / Mute mode -60 - +60 mV dVOS During mute ON/OFF output offset voltage ITU R-ARM weighted see Figure 18 -10 - +10 mV During standby ON/OFF output offset voltage -10 - +10 mV Gv Voltage gain - 25 26 27 dB dGv Channel gain unbalance - ±1 dB Po Output power VS = 14.4 V; THD = 10% VS = 14.4 V; THD = 1% 25 28 22 - W W VS = 14.4 V; THD = 10%, 2 Ω VS = 14.4 V; THD = 1%, 2 Ω - 48 38 - W W Po max. Max. output power(1) VS = 14.4 V; RL = 4 Ω VS = 14.4 V; RL = 2 Ω Vs = 15.2V; RL = 4 Ω (square wave input (2 Vrms)) - 45 75 48 -W |
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