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MAX97000 Datasheet(PDF) 16 Page - Maxim Integrated Products |
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MAX97000 Datasheet(HTML) 16 Page - Maxim Integrated Products |
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16 / 33 page 
Audio Subsystem with Mono Class D Speaker and Class H Headphone Amplifier 16 Typical Operating Characteristics (continued (VLDOIN = VPVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, HPLVOL = HPRVOL = SPKVOL = 0dB. Speaker loads (ZSPK) connected between OUTP and OUTN. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK = ∞, RHP = ∞. CC1P-C1N = CHPVDD = CHPVSS = CBIAS = 1μF. TA = +25°C, unless otherwise noted.) ANALOG SWITCH CLASS H OPERATION MAX97000 toc43 HPVDD 1V/div HPL/HPR 200mV/div HPVSS 1V/div 10ms/div HPVDD 0V HPVSS 0V TOTAL HARMONIC DISTORTION PLUS NOISE vs. OUTPUT POWER OUTPUT POWER (mW) 25 20 15 10 5 0.01 0.1 1 10 0.001 0 30 RLOAD = 32I EXTERNAL CLASS AB CONNECTED DIRECTLY TO COM1 AND COMR f = 6kHz f = 100kHz f = 100kHz BYPASS SWITCH OFF-ISOLATION FREQUENCY (kHz) 10 1 0.1 -120 -100 -80 -60 -40 -20 0 -140 0.01 100 ON-RESISTANCE vs. VCOM VCOM (V) 5 4 3 2 1 0.5 1.0 1.5 2.0 2.5 3.0 0 0 6 INC = 20mA VPVDD = 2.7V VPVDD = 3.7V VPVDD = 3.0V VPVDD = 5.0V |
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