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IS31AP2121-LQLS1 Datasheet(PDF) 9 Page - Integrated Silicon Solution, Inc |
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IS31AP2121-LQLS1 Datasheet(HTML) 9 Page - Integrated Silicon Solution, Inc |
9 / 41 page IS31AP2121 Integrated Silicon Solution, Inc. – www.issi.com 9 Rev. C, 10/20/2015 DC ELECTRICAL CHARACTERISTICS (CONTINUE) TA=25°C, unless otherwise noted. Symbol Parameter Condition Min. Typ. Max. Unit Logic Electrical Characteristics VIH High level input voltage VDD =3.3V 2.0 V VIL Low level input voltage VDD =3.3V 0.8 V VOH High level output voltage VDD =3.3V 2.4 V VOL Low level output voltage VDD =3.3V 0.4 V CIN Input capacitance 6.4 pF Note 1: Loudspeaker over-current protection is only effective when loudspeaker drivers are properly connected with external LC filters. Please refer to the application circuit example for recommended LC filter configuration. AC ELECTRICAL CHARACTERISTICS TA=25°C, VCC=24V, VDD = 3.3V, fS = 48kHz, RL=8Ω with passive LC lowpass filter (L= 15µH, RDC= 63mΩ, C=220nF), input is 1kHz sinewave, volume is 0dB unless otherwise specified. Symbol Parameter Condition Min. Typ. Max. Unit PO RMS output power (Note 2) THD+N=0.16%, VCC=24V, +8dB volume 10 W THD+N=0.25%, VCC=24V, +8dB volume 20 THD+N=1%, VCC=12V, +8dB volume 7.5 THD+N=10%, VCC=12V, +8dB volume 9 PBTL Mode, VCC=24V, RL=4Ω, THD+N=0.16%, +8dB volume 40 PBTL Mode, VCC=12V, RL=4Ω, THD+N=1%, +8dB volume 15 PBTL Mode, VCC=12V, RL=4Ω, THD+N=10%, +8dB volume 18 2.1CH Mode, VCC=24V, RL=4Ω, THD+N=0.14%, +8dB volume 5 2.1CH Mode, VCC=24V, RL=4Ω, THD+N=0.16%, +8dB volume 10 2.1CH Mode, VCC=12V, RL=4Ω, THD+N=1%, +8dB volume 3.7 2.1CH Mode, VCC=12V, RL=4Ω, THD+N=10%, +8dB volume 4.5 THD+N Total harmonic distortion + noise VCC=24V, PO = 7.5W 0.15 % VCC=12V, Po = 2.5W 0.16 VNO Output noise 20Hz ~ 20kHz (Note 3) 120 µV SNR Signal-to-noise ratio +8dB volume, input level is -9dB (Note 3) 104 dB DR Dynamic range +8dB volume, input level is -68dB (Note 3) 110 dB PSRR Power supply ripple rejection VRIPPLE = 1VRMS at 1kHz -71 dB Channel separation 1W @1kHz -81 dB |
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