MAX9779 查看數據表（PDF） - Maxim Integrated

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MAX9779

2.6W Stereo Audio Power Amplifier and DirectDrive Headphone Amplifier

Maxim Integrated 

2.6W Stereo Audio Power Amplifier and

DirectDrive Headphone Amplifier

ELECTRICAL CHARACTERISTICS (continued)

(VDD = PVDD = CPVDD = HPVDD = 5V, GND = PGND = CPGND = 0V, SHDN = VDD, CBIAS = 1µF, C1 = C2 = 1µF, speaker load

terminated between OUT_+ and OUT_-, headphone load terminated between HPOUT_ and GND, GAIN1 = GAIN2 = 0V, TA = TMIN to

TMAX, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX

CHARGE PUMP

Charge-Pump Frequency

fOSC

LOGIC INPUT (SHDN, GAIN1, GAIN2)

500

550

600

Logic-Input High Voltage

VIH

Logic-Input Low Voltage

VIL

Logic-Input Current

IIN

2

0.8

±1

LOGIC-INPUT HEADPHONE (HPS)

Logic-Input High Voltage

VIH

2

Logic-Input Low Voltage

VIL

Logic-Input Current

IIN

0.8

10

Note 1: All devices are 100% production tested at room temperature. All temperature limits are guaranteed by design.

Note 2: Guaranteed by design. Not production tested.

Note 3: PSRR is specified with the amplifier input connected to GND through CIN.

Note 4: Output power levels are measured with the thin QFN’s exposed paddle soldered to the ground plane.

UNITS

kHz

V

V

µA

V

V

µA

4 _______________________________________________________________________________________

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