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SA7412 Datasheet(PDF) 2 Page - Silan Microelectronics Joint-stock |
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SA7412 Datasheet(HTML) 2 Page - Silan Microelectronics Joint-stock |
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2 / 6 page  SA7412 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.1 2005.11.18 Http: www.silan.com.cn Page 2 of 7 ABSOLUTE MAXIMUM RATINGS (Tamb=25°C, unless otherwise specified) Characteristic Symbol Value Unit Storage Temperature Tstg -55 ~ +150 °C Operating Ambient Temperature Topr -25 ~ +70 °C Operating Ambient Pressure Popr 1.013×10 5 ± 0.61×105 Pa Operating Constant Acceleration Gopr 9810 m/s 2 Operating Shock Sopr 4900 m/s 2 Supply Voltage VCC 15.0 (*) V Supply Current ICC 1.5 A Power Dissipation PD 2 (**) W Operating Supply Voltage Range VCC 7.5 ~ 13.5 V Note: (*) No signal input; (**) Tamb=75 °C and without heatsink. ELECTRICAL CHARACTERISTICS (Unless otherwise specified: VCC= 9V; RL =8Ω, Tamb =25°C, f = 1kHz) Characteristics Symbol Test Condition Min. Typ. Max. Unit Quiescent Current ICQ STBY/MUTE=5V; No input; VOL=0V -- 32 80 mA Standby Current ISTBY STBY/MUTE=0V;No input; VOL=0V -- 5 50 µA Stand-by On Voltage Vstby-on VOL=0V; No input; I_supply 50µA 0 -- 0.3 V Stand-by Off Voltage Vstby-off VOL=0V; No input; I_supply 14mA 1.2 -- -- V Output End Noise Voltage Vno STBY/MUTE =5.0V; No input; VOL =0V; Rg=10k Ω -- 0.15 0.5 mVr ms Ripple Rejection Ratio RR STBY/MUTE =5.0V; VOL =0V; Rg=10k Ω; Vripple=1Vrms; fripple=120Hz 30 50 -- dB Voltage Gain GV STBY/MUTE =5.0V; Po=0.25W; VOL =3.3V 31.5 33.5 35.5 dB Total Harmonic Distortion THD STBY/MUTE =5.0V; Po=0.25W; VOL=3.3V -- 0.25 0.4 % Maximum Output Power PO STBY/MUTE =5.0V; THD=10%; VOL =3.3V 0.8 1.0 -- W Mid Volume Gain GVmid STBY/MUTE =5.0V; VOL =1.5V 24.5 27.5 30.5 dB Min Volume Attenuation Ratio ATTmin STBY/MUTE=5.0V; VOL =0V~3.3V 65 75 -- dB Muting Ratio MR VOL=3.3V;STBY/MUTE=1.8V~ 5.0V 65 75 -- dB Mute On Voltage Mute-on VOL=3.3V; MR 65dB 0 -- 1.8 V Mute Off Voltage Mute-off VOL =3.3V; GV 31.5dB 3.8 -- 5.0 V Under Voltage Lock Up UVLO STBY/MUTE=5.0V; ICQ<1mA; No Output -- 6.5 7.5 V Crosstalk Between Channel A and B CT STBY/MUTE =5.0V; VOL =3.3V 45 60 -- dB Channel Balance CB STBY/MUTE =5.0V; VOL =3.3V -1 0 1 dB Monitor Output Gain GMO STBY/MUTE =5.0V; VOL =3.3V -2 -0.5 2 dB Voltage Threshold to Select Input A VSWA STBY/MUTE =5.0V; VOL =3.3V; Po=0.25W 0 -- 0.6 V Voltage Threshold to Select Input B VSWB STBY/MUTE =5.0V; VOL =3.3V; Po=0.25W 2.5 -- 5.0 V |
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