Ordering number : EN4090E LA4450 Monolithic Linear IC 2-Channel, 26V, Power Amplifier LA4450 Electrical Characteristics at Ta = 25 C, V = 26.4V, R = 8 , f = 1kHz, Rg = 600 CC L Ratings Parameter Symbol Conditions Unit min typ max Standby current Ist Standby switch off 1 30 A Quiescent current I Rg = 0 50 80 140 mA CCO Output power P THD = 10% 10 12 W O1 P THD = 10%, R = 4 20 W O2 L Voltage gain VG V = 0dBm 49 51 53 dB O Total harmonic distortion THD P = 1W 0.07 0.4 % O Output noise voltage V Rg = 0, BPF-BW = 20Hz to 20kHz 0.4 1.0 mV NO Ripple exclusion ratio SVRR Rg = 0, f = 100Hz, V = 0dBm 45 55 dB R R Channel separation CHsep V = 0dBm, Rg = 10k 4555 dB O Standby control voltage Vst With a 10k resistor connected at pin 12 2.5 V V CC Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. Pd max -- Ta 32 Using silicon grease Heat sink attached with 28 a torque of 39N cm Infinite heat sink 25 24 3 200 x 200 x 1.5mm Al 21 20 16 3 12 100 x 100 x 1.5mm Al 11 8 3 50 x 50 x 1.5mm Al 5 4 3.5 Independent IC 0 -35 -20 0 20 40 60 80 100 120 140 160 Ambient temperature, Ta -- C No.4090-2/8 Allowable power dissipation, Pd max -- W