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MAX9728B Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX9728B Datasheet(HTML) 3 Page - Maxim Integrated Products |
3 / 19 page 60mW, DirectDrive, Stereo Headphone Amplifier with Shutdown _______________________________________________________________________________________ 3 ELECTRICAL CHARACTERISTICS (continued) (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 BW = 22Hz to 22kHz 102 RL = 1k Ω, VOUT = 2VRMS A-weighted 105 BW = 22Hz to 22kHz 98 Signal-to-Noise Ratio SNR RL = 32 Ω, POUT = 50mW A-weighted 101 dB Slew Rate SR 0.5 V/µs Capacitive Drive CL No sustained oscillations 100 pF Crosstalk L to R, R to L, f = 10kHz, RL = 16 Ω, POUT = 15mW -70 dB Charge-Pump Oscillator Frequency fOSC 190 270 400 kHz Into shutdown -67 Click-and-Pop Level KCP RL = 32 Ω, peak voltage, A-weighted, 32 samples per second (Note 5) Out of shutdown -64 dB DIGITAL INPUTS ( SHDN) Input Voltage High VINH 2V Input Voltage Low VINL 0.8 V Input Leakage Current ±1 µA Note 3: All specifications are 100% tested at TA = +25°C; temperature limits are guaranteed by design. Note 4: Gain for the MAX9728A is adjustable. Note 5: Test performed with a 32 Ω resistive load connected to GND. Mode transitions are controlled by SHDN. KCP level is calculat- ed as 20log[(peak voltage during mode transition, no input signal)/(peak voltage under normal operation at rated power level)]. Units are expressed in dB. |
Similar Part No. - MAX9728B |
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Similar Description - MAX9728B |
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