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MAX9750 Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX9750 Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 30 page 2.6W Stereo Audio Power Amplifiers and DirectDrive Headphone Amplifiers 2 _______________________________________________________________________________________ ABSOLUTE MAXIMUM RATINGS Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Supply Voltage (VDD, PVDD, HPVDD, CPVDD to GND)..........+6V GND to PGND.....................................................................±0.3V CPVSS, C1N, VSS to GND .........................-6.0V to (GND + 0.3V) HPOUT_ to GND ....................................................................±3V Any Other Pin .............................................-0.3V to (VDD + 0.3V) Duration of OUT_ Short Circuit to GND or PVDD........Continuous Duration of OUT_+ Short Circuit to OUT_- .................Continuous Duration of HPOUT_ Short Circuit to GND, VSS or HPVDD.........................................................Continuous Continuous Current (PVDD, OUT_, PGND) ...........................1.7A Continuous Current (CPVDD, C1N, C1P, CPVSS, VSS, HPVDD, HPOUT_) .......................................................................850mA Continuous Input Current (All Other Pins) ........................±20mA Continuous Power Dissipation (TA = +70°C) 28-Pin Thin QFN (derate 20.8mW/°C above +70°C) ..1667mW 28-Pin TSSOP-EP (derate 23.8mW/°C above +70°C).1904mW Junction Temperature ......................................................+150°C Operating Temperature Range ...........................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C ELECTRICAL CHARACTERISTICS (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 GENERAL Supply Voltage Range VDD, PVDD Inferred from PSRR test 4.5 5.5 V Headphone Supply Voltage CPVDD, HPVDD Inferred from PSRR test 3 5.5 V HPS = GND, speaker mode, RL = ∞ 14 29 Quiescent Supply Current IDD HPS = VDD, headphone mode, RL = ∞ 713 mA Shutdown Supply Current ISHDN SHDN = GND 0.2 5 µA Bias Voltage VBIAS 1.7 1.8 1.9 V Switching Time tSW Gain or input switching 10 µs Input Resistance RIN Amplifier inputs (Note 2) 10 20 30 k Ω Turn-On Time tSON 25 ms SPEAKER AMPLIFIER (HPS = GND) Output Offset Voltage VOS Measured between OUT_+ - OUT_- ±0.4 ±6mV PVDD or VDD = 4.5V to 5.5V (TA = +25°C) 75 90 f = 1kHz, VRIPPLE = 200mVP-P 80 Power-Supply Rejection Ratio (Note 3) PSRR f = 10kHz, VRIPPLE = 200mVP-P 55 dB |
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