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MAX9789A Datasheet(PDF) 10 Page - Maxim Integrated Products |
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MAX9789A Datasheet(HTML) 10 Page - Maxim Integrated Products |
10 / 26 page Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers 10 ______________________________________________________________________________________ Typical Operating Characteristics (continued) (VDD = PVDD = CPVDD = HPVDD = LDO_EN = +5V, GND = PGND = CPGND = LDO_SET = 0V, C1 = C2 = CBIAS = CIN = 1µF. RL = ∞, unless otherwise specified, GAIN1 = 0, GAIN2 = 1 (AVSP = 10dB, AVHP = 3.5dB), measurement BW = 20kHz AES17, TA = +25°C, unless otherwise noted. Headphone mode: SPKR_EN = 1, HP_EN = 0. Speaker mode: SPKR_EN = 0, HP_EN = 1.) SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 4.50 4.75 5.00 5.25 5.50 -5 0 5 10 15 20 SPKR_EN = 0 HP_EN = 0 SPKR_EN = 0 HP_EN = 1 SPKR_EN = 1 HP_EN = 0 SPKR_EN = 1 HP_EN = 1 SHUTDOWN CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) 4.50 4.75 5.00 5.25 5.50 0 0.1 0.2 0.3 SPKR_EN = 5V HP_EN = 0 LDO_EN = 0 (MAX9789A) LDO OUTPUT VOLTAGE ACCURACY vs. ILOAD ILOAD (mA) 0 25 50 75 100 125 150 -2.0 -1.5 -1.0 -0.5 0 0.5 1.0 1.5 2.0 VLDO_OUT = 4.75V LDO OUTPUT VOLTAGE ACCURACY vs. AMPLIFIER OUTPUT POWER AMPLIFIER OUTPUT POWER (W) 0 0.5 1.0 1.5 2.0 2.5 3.0 -0.10 -0.05 0 0.05 0.10 VLDO_OUT = 4.75V ILDO_OUT = 0A LDO OUTPUT VOLTAGE ACCURACY vs. TEMPERATURE TEMPERATURE ( °C) -40 -15 10 35 60 85 -2.0 -1.5 -1.0 -0.5 0 0.5 1.0 1.5 2.0 ILDO_OUT = 1mA DROPOUT VOLTAGE vs. ILOAD ILOAD (mA) 125 100 75 50 25 10 20 30 40 50 60 70 80 90 100 0 0 150 VLDO_OUT = 4.75V VLDO_OUT = 3.3V |
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