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MAX9728AEUD Datasheet(PDF) 2 Page - Maxim Integrated Products |
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MAX9728AEUD Datasheet(HTML) 2 Page - Maxim Integrated Products |
2 / 19 page 60mW, DirectDrive, Stereo Headphone Amplifiers with Shutdown 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. VDD to PGND............................................................-0.3V to +6V PVSS to SVSS .........................................................-0.3V to +0.3V PGND to SGND .....................................................-0.3V to +0.3V C1P to PGND..............................................-0.3V to (VDD + 0.3V) C1N to PGND............................................(PVSS - 0.3V) to +0.3V PVSS and SVSS to PGND..........................................-6V to +0.3V IN_ to SGND (MAX9728A)..........................-0.3V to (VDD + 0.3V) IN_ to SGND (MAX9728B) .............(SVSS - 0.3V) to (VDD + 0.3V) OUT_ to SVSS (Note 1) ....-0.3V to Min (VDD - SVSS + 0.3V, +9V) OUT_ to VDD (Note 2) ......+0.3V to Max (SVSS - VDD - 0.3V, -9V) SHDN to _GND.........................................................-0.3V to +6V OUT_ Short Circuit to SGND ......................................Continuous Short Circuit between OUTL and OUTR ....................Continuous Continuous Input Current into PVSS..................................260mA Continuous Input Current (any other pin) .........................±20mA Continuous Power Dissipation (TA = +70°C) 12-Pin TQFN (derate 14.7mW/°C above +70°C) .........1177mW 14-Pin TSSOP (derate 9.1mW/°C above +70°C) ...........727mW Operating Temperature Range ...........................-40°C to +85°C Storage Temperature Range .............................-65°C to +150°C Junction Temperature ......................................................+150°C Lead Temperature (soldering, 10s) .................................+300°C ELECTRICAL CHARACTERISTICS (VDD = 5V, PGND = SGND, SHDN = 5V, C1 = C2 = 1µF, RL = ∞, resistive load reference to ground; for MAX9728A gain = -1.5V/V (RIN = 20k Ω, RF = 30kΩ); for MAX9728B gain = -1.5V/V (internally set), TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C, unless otherwise noted.) (Note 3) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS GENERAL Supply Voltage Range VDD 4.5 5.5 V Quiescent Current ICC 3.5 5.5 mA Shutdown Current ISHDN SHDN = SGND = PGND < 0.1 1 µA Shutdown to Full Operation tSON 180 µs Input Impedance RIN MAX9728B, measured at IN_ 15 19 25 k Ω Output Offset Voltage VOS ±1.5 ±10 mV VDD = 4.5V to 5.5V 86 f = 1kHz, 100mVP-P 80 Power-Supply Rejection Ratio PSRR f = 20kHz, 100mVP-P 65 dB RL = 32 Ω, THD+N = 1% 30 63 Output Power POUT RL = 16 Ω, THD+N = 1% 42 mW Voltage Gain AV MAX9728B (Note 4) -1.52 -1.5 -1.48 V/V Channel-to-Channel Gain Tracking MAX9728B ±0.15 % RL = 1k Ω, VOUT = 2VRMS, fIN = 1kHz 0.003 RL = 32 Ω, POUT = 50mW, fIN = 1kHz 0.02 Total Harmonic Distortion Plus Noise THD+N RL = 16 Ω, POUT = 35mW, fIN = 1kHz 0.04 % Note 1: OUTR and OUTL should be limited to no more than 9V above SVSS, or above VDD + 0.3V, whichever limits first. Note 2: OUTR and OUTL should be limited to no more than 9V below VDD, or below SVSS - 0.3V, whichever limits first. |
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