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MAX9750AETI Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX9750AETI Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 30 page 2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (VDD = PVDD = CPVDD = HPVDD = 5V, GND = PGND = CPGND = 0V, SHDN = VDD, CBIAS = 1µF, C1 = C2 = 1µF, speaker load ter- minated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, MAX9750: GAIN1 = GAIN2 = VOL = RL = 33k Ω = GND, MAX9751/MAX9755: GAIN = VDD = IN1/2 = GND, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS MAX9750A/ MAX9750B/ MAX9751/ MAX9755 1.4 RL = 8 Ω MAX9750C 0.65 0.8 MAX9750A/ MAX9750B/ MAX9751/ MAX9755 2.3 RL = 4 Ω MAX9750C 1.2 1.5 MAX9750A/ MAX9750B/ MAX9751/ MAX9755 2.6 Output Power POUT THD+N = 1%, f = 1kHz, TA = +25 °C RL = 3 Ω MAX9750C 2.2 W RL = 8 Ω, POUT = 500mW, f = 1kHz 0.01 Total Harmonic Distortion Plus Noise THD+N RL = 4 Ω, POUT = 1W, f = 1kHz 0.02 % Signal-to-Noise Ratio SNR RL = 8 Ω, POUT = 1W, BW = 22Hz to 22kHz 90 dB Noise Vn BW = 22Hz to 22kHz, A-weighted 80 µVRMS Capacitive-Load Drive CL No sustained oscillations 200 pF L to R, R to L, f = 10kHz 75 Crosstalk Any unselected input to any active input, f = 10kHz (MAX9751) 60 dB Slew Rate SR 1.4 V/µs GAIN1 = 0, GAIN2 = 0 9 GAIN1 = 1, GAIN2 = 0 10.5 GAIN1 = 0, GAIN2 = 1 12 MAX9750A GAIN1 = 1, GAIN2 = 1 13.5 GAIN1 = 0, GAIN2 = 0 15 GAIN1 = 1, GAIN2 = 0 16.5 GAIN1 = 0, GAIN2 = 1 18 MAX9750B GAIN1 = 1, GAIN2 = 1 19.5 GAIN1 = 0, GAIN2 = 0 6 GAIN1 = 1, GAIN2 = 0 7.5 GAIN1 = 0, GAIN2 = 1 9 Gain (Maximum Volume Setting) AVMAX(SPKR) MAX9750C GAIN1 = 1, GAIN2 = 1 10.5 dB GAIN = 1 9 Gain (MAX9751/MAX9755) AV GAIN = 0 10.5 dB |
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