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MAX9724B Datasheet(PDF) 7 Page - Maxim Integrated Products |
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MAX9724B Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 22 page 60mW, DirectDrive, Stereo Headphone Amplifier with Low RF Susceptibility and Shutdown _______________________________________________________________________________________ 7 0 -120 10 100 10k 100k CROSSTALK vs. FREQUENCY -100 -80 -40 -60 -20 FREQUENCY (Hz) 1k RIGHT TO LEFT LEFT TO RIGHT POUT = 15mW RL = 16Ω 20 40 30 60 50 70 80 0 100 150 50 OUTPUT POWER vs. LOAD RESISTANCE AND CHARGE-PUMP CAPACITOR SIZE (TQFN) LOAD RESISTANCE (Ω) VDD = 5V fIN = 1kHz THD+N = 1% C1 = C2 = 2.2μF C1 = C2 = 1μF C1 = C2 = 0.47μF 0 40 30 20 10 60 50 70 80 0 100 150 50 OUTPUT POWER vs. LOAD RESISTANCE AND CHARGE-PUMP CAPACITOR SIZE (UCSP) LOAD RESISTANCE (Ω) VDD = 5V fIN = 1kHz THD+N = 1% C1 = C2 = 2.2μF C1 = C2 = 1μF C1 = C2 = 0.47μF -140 -110 -130 -70 -90 -50 -120 -80 -100 -60 -40 0 5 10 15 20 OUTPUT SPECTRUM vs. FREQUENCY FREQUENCY (kHz) RL = 32Ω VDD = 3V fIN = 1kHz VOUT = -60dBV 2.8 3.1 2.9 3.3 3.0 3.4 3.2 3.5 2.5 3.0 4.0 3.5 4.5 5.0 5.5 SUPPLY CURRENT vs. SUPPLY VOLTAGE SUPPLY VOLTAGE (V) NO LOAD INPUTS GROUND SHUTDOWN CURRENT vs. SUPPLY VOLTAGE (TQFN) SUPPLY VOLTAGE (V) 5.0 4.5 4.0 3.5 3.0 20 40 60 80 100 120 140 0 2.5 5.5 NO LOAD INPUTS GND Typical Operating Characteristics (continued) (VDD = 5V, PGND = SGND = 0V, SHDN = VDD, C1 = C2 = 1µF, RL = ∞, gain = -1.5V/V (RIN = 20kΩ, RF = 30kΩ for the MAX9724A), THD+N measurement bandwidth = 22Hz to 22kHz, both outputs driven in phase, TA = +25°C, unless otherwise noted.) |
Similar Part No. - MAX9724B |
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Similar Description - MAX9724B |
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