LA4160 Recommended Operating Conditions at Ta = 25°C Parameter Symbol Supply Voltage VCC Load Resistance RL Conditions Ratings Unit 6 to 9 V 3.2 to 8 Ω Electrical Characteristics at Ta = 25°C, VCC = 6V, f = 1kHz, See specified Test Circuit Ratings Parameter Quiescent Current Symbol ICCO Conditions min typ Unit max VCC = 6V 18 30 mA VCC = 9V 23 40 mA Preamplifier Voltage Gain VG Maximum Output Voltage VO Input Resistance ri Open loop 85 dB Closed loop, Playback 40 dB THD = 1%, Playback Equivalent Input Noise Voltage VNI Playback ALC Input Level ALC THD = 1%, Playback 0.9 1.2 V 21 30 kΩ 1.0 −20 −12 2.0 μV dBm Power amplifier Voltage Gain VG Closed Loop, Rf = 51Ω 43 45 Output Power PO VCC = 6V, THD = 10% 0.7 1.0 VCC = 7.5V, THD = 10% 1.0 1.5 W VCC = 9V, THD = 10% 1.7 2.2 W Total Harmonic Distortion THD Input Resistnace ri PO = 250mW 47 W 0.3 1.5 30 Output Noise Voltage VNO Rg = 10kΩ Ripple Rejection Rr Rg = 0, VR = 150mV, f = 100Hz % kΩ 0.6 40 dB 1.8 45 mV dB Package Dimensions unit : mm (typ) 3005A Pd max -Ta Allowable Power Dissipation, Pd max -W 4 A 50×50×1.5mm3 bakelite printed circuit board (t = 35u Cu coated) or 50×50×1.5mm3 Al heat sink. B 50×50×1.5mm3 bakelite printed circuit board (no Cu coating) 100×100×1.5mm3 Al heat sink. 3 A 2 B No fin 1 0 -20 0 20 40 60 80 100 120 Ambient Temperature, Ta -°C 140 160 No.870-2/11
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