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MAX9789A Datasheet(PDF) 11 Page - Maxim Integrated Products |
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MAX9789A Datasheet(HTML) 11 Page - Maxim Integrated Products |
11 / 26 page Windows Vista-Compliant, Stereo Class AB Speaker Amplifiers and DirectDrive Headphone Amplifiers ______________________________________________________________________________________ 11 LDO LOAD-TRANSIENT RESPONSE MAX9789A toc47 20ms/div AC-COUPLED VLDO_OUT 10mV/div ILDO_OUT 15mA/div LDO SHUTDOWN RESPONSE MAX9789A toc48 200ms/div VLDO_OUT 2V/div LDO_EN 2V/div ILOAD = 0mA LDO CROSSTALK vs. FREQUENCY FREQUENCY (Hz) -120 -110 -100 -90 -80 -70 -60 -50 -40 -30 -20 10 100 1k 10k 100k VLDO_OUT = 4.75V POUT = 2W RL = 4 Ω ILOAD = 0mA LEFT SPEAKER TO LDO RIGHT SPEAKER TO LDO 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.) RIPPLE REJECTION vs. FREQUENCY FREQUENCY (Hz) 10k 1k 100 -80 -70 -60 -50 -40 -30 -20 -10 0 -90 10 100k VLDO_OUT = 4.75V VRIPPLE = 200mVP-P IOUT = 10mA OUTPUT REFERRED VLDO_OUT = 3.3V OUTPUT NOISE vs. FREQUENCY FREQUENCY (Hz) 10k 1k 100 0.1 1 10 0.01 10 100k LINE-TRANSIENT RESPONSE MAX9789A toc46 1ms/div LDO_OUT (AC-COUPLED) 20mV/div VDD 1V/div 5.5V 4.5V |
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