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STA540SAN 数据表(PDF) 6 Page - STMicroelectronics |
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STA540SAN 数据表(HTML) 6 Page - STMicroelectronics |
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6 / 26 page ![]() Electrical specifications STA540SAN 6/26 Doc ID 18306 Rev 1 3 Electrical specifications 3.1 Absolute maximum ratings 3.2 Thermal data 3.3 Electrical characteristics The results in Table 5 below were measured under the conditions VS = 15 V, RL = 4 Ω, f = 1 kHz and Tamb = 25 °C unless otherwise specified. Refer also to the test circuit in Figure 3 on page 8 Table 3. Absolute maximum ratings Symbol Parameter Value Unit VSmax Supply voltage idle mode (no signal) 24 V Supply voltage operating 22 V Supply voltage AC-DC short safe 20 V VST_BYmax Voltage on pin ST_BY VSmax - Ptot Total power dissipation (Tcase = 70 °C) 35 W Tstg, Tj Storage and junction temperature -40 to150 °C Top Operating temperature 0 to 70 °C Table 4. Thermal data Symbol Parameter Min Typ Max Unit Rth j-case Thermal resistance junction to case - - 2.5 °C/W Rth j-amb Thermal resistance junction to ambient - - 45 °C/W Table 5. Electrical characteristics Symbol Parameter Test condition Min Typ Max Unit VS Supply voltage range - 8 - 22 V Id Total quiescent drain current - - 80 150 mA Vos Output offset voltage - -250 - 250 mV Po Output power THD = 10% 6.5 7.5 - W THD = 10%, VS = 17 V S.E. RL = 4 Ω -10 - W THD = 10%, VS = 17 V BTL, RL = 8 Ω -20 - W THD Distortion RL = 4 Ω, Po = 0.1 to 4 W - 0.02 - % ISC Short-circuit current - - 3.5 - A |
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