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APA2020R-TU Datasheet(PDF) 5 Page - Anpec Electronics Coropration |
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APA2020R-TU Datasheet(HTML) 5 Page - Anpec Electronics Coropration |
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5 / 25 page  Copyright ANPEC Electronics Corp. Rev. A.8 - Nov., 2002 APA2020 www.anpec.com.tw 5 Electrical Characteristics (Cont.) AC Operating Characteristics , V DD= 3.3V , TA= 25°C , RL= 4Ω (unless otherwise noted) APA2020 Symbol Parameter Test Condition Min. Typ. Max. Unit PSRR Power supply ripple rejection f =100 Hz 70 dB Mute attenuation 85 dB Channel-to-channel output separation f =1 KHz 85 dB Line HP input separation 75 dB BTL attenuation in SE mode 80 dB ZI Input impedance 2MW Signal-to-noise ratio Po = 500 mW , BTL 90 dB Vn Output noise voltage 50 ìV( rms) Notes 2 : Output power is meaured at the output teminals of the IC at 1 KHz. DC Electrical Characteristic , T A=25 °C APA2020 Symbol Parameter Test Conditions Typ. Max. Unit Stereo BTL 8 11 mA V DD = 5V Stereo SE 4 6.5 mA Stereo BTL 7 9 mA I DD Supply Current V DD = 3.3 V Stereo SE 3.5 5.6 mA V O (DIFF) DC Differential Output Voltage V DD =5V, Gain = 2, see Note3 5 25 mV I DD(MUTE) Supply Current in Mute Mode V DD = 5V 8 11 mA I SD I DD in Shutdown V DD = 5V 0.5 5 µA Note 3 : at 3V<V DD<5V , the DC output voltage is approximately VDD / 2. |
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