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TDA1562 bảng dữ liệu(PDF) 9 Page - NXP Semiconductors |
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9 / 20 page 1998 Apr 07 9 Philips Semiconductors Preliminary specification 70 W high efficiency power amplifier with diagnostic facility TDA1562Q THERMAL CHARACTERISTICS DC CHARACTERISTICS VP = 14.4 V; RL =4 Ω; Tamb =25 °C; measurements in accordance with Fig.10; unless otherwise specified. SYMBOL PARAMETER CONDITIONS VALUE UNIT Rth(j-c) thermal resistance from junction to case 1.5 K/W Rth(j-a) thermal resistance from junction to ambient in free air 40 K/W SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Supplies VP1 and VP2 (pins 9 and 10) VP supply voltage 8 14.4 18 V Vth+ supply threshold voltage mute → on −− 9V Vth− supply threshold voltage on → mute 7 −− V VPH1 hysteresis (Vth+ − Vth−)− 200 − mV Iq quiescent current on and mute; RL = open circuit − 110 150 mA Istb standby current standby − 150 µA Amplifier outputs OUT+ and OUT − (pins 7 and 11) VO DC output voltage on and mute − 6.5 − V V OO output offset voltage on and mute −− 100 mV ∆V OO delta output offset voltage on ↔ mute −− 30 mV Mode select input MODE (pin 4) VI input voltage range 0 − Vp V II input current VMODE = 14.4 V −− 20 µA Vth1+ threshold voltage standby → mute −− 2V Vth1− threshold voltage mute → standby 1 −− V VmsH1 hysteresis (V th1+ − Vth1 −)− 200 − mV Vth2+ threshold voltage mute → on −− 4.2 V Vth2− threshold voltage on → mute 3.3 −− V VmsH2 hysteresis (V th2+ − Vth2 −)− 200 − mV Status I/O STAT (pin 16) PIN STAT AS INPUT Vst input voltage 0 − VP V IstH HIGH-level input current VSTAT = 14.4 V −− 4mA IstL LOW-level input current VSTAT =0V −− −400 µA Vth1+ threshold voltage fast mute → class B −− 2V Vth1− threshold voltage class B → fast mute 1 −− V VstH1 hysteresis (V th1+ − Vth1 −)− 200 − mV Vth2+ threshold voltage class B → class H −− 4.2 V Vth2− threshold voltage class H → class B 3.3 −− V VstH2 hysteresis (V th2+ − Vth1 −)− 200 − mV |
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