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TDA8191 데이터시트(PDF) 2 Page - STMicroelectronics |
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TDA8191 데이터시트(HTML) 2 Page - STMicroelectronics |
2 / 6 page 1 4 78 9 10 11 13 14 18 19 20 C5 C7 R3 C6 V S 2 3 R0 1.1k Ω R1 C1 C2 C3 IF IN 5 615 16 L1 C9 C8 C11 C10 C1 3 SWITCH CTRL AF OUT AF IN C12 17 C17 C15 C16 R5 R4 R8 R7 P2 VOLUME 12 R6 R L DC VOLUME CONTROL VOLTAGE REGULATOR TURN-ON AND TURN-OFF SWITCH LOW-PASS FILTER THRESHOLD SENSOR FM DETECTOR THERMAL PROTECTION AMPLI. IF AMP. LIM. AFPA BLOCK DIAGRAM ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit VS Supply Voltage (pin 18) 28 V Vl Voltage at Pin 1 ± VS VI Input Voltage (pin 2) 1 VPP IO Output Peak Current (repetitive) 1.5 A IO Output Peak Current (non repetitive) 2 A Ptot Total Power Dissipation : at Tpins = 90 °C at Tamb = 70 °C 4.3 1 W W Tstg,Tj Storage and Junction Temperature – 40 to 150 °C THERMAL DATA Symbol Parameter Value Unit Rth (j-pins) Junction-pins Thermal Resistance Max 14 °C/W Rth (j-a) Junction-ambient Thermal Resistance Max 80 °C/W ELECTRICAL CHARACTERISTICS (Refer to fig. 1 ; VS = 24V, RL =16 Ω, Pin 11 floating, ∆f= ±50kHz, Vi = 1mV, fo = 5.5MHz, fm = 1kHz, Tamb =25 oC unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit VS Supply Voltage (Pin 18) Vc = 4.5V 10.8 24 27 V VO Quiescent Output Voltage (Pin 17) Vc = 4.5V 11 12 13 V V1 Pin 1 DC Voltage Vc = 4.5V 5.3 V ID Quiescent Drain Current Vc = 4.5V 35 mA VI Input Limiting Voltage at Pin 2 (– 3dB) Vo = 4VRMS 50 100 µV TDA8191 2/6 |
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