MAX9875ERP+TG45 datasheet(11/30 Pages) MAXIM

Part #	MAX9875ERP+TG45

Description	Low RF Susceptibility, Mono Audio Subsystem with DirectDrive Headphone Amplifier

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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Typical Operating Characteristics (continued)

(VDD = VPVDD = 3.7V, VGND = VPGND = 0V. Single-ended inputs, preamp gain = 0dB, volume controls = 0dB, OSC = 00, SHDN = 1.

Speaker loads (ZSPK) connected between OUT+ and OUT-. Headphone loads (RHP) connected from HPL or HPR to GND. ZSPK =

∞, RHP = ∞. C1 = C2 = CBIAS = 1µF. TA = +25°C, unless otherwise noted.)

Low RF Susceptibility, Mono Audio

Subsystem with DirectDrive Headphone Amplifier

______________________________________________________________________________________

11

IN-BAND OUTPUT SPECTRUM

FREQUENCY (kHz)

15

10

5

0

-140

-80

-40

-120

-20

-60

-100

020

fOSC = 1176kHz

fIN = 1kHz

WIDEBAND OUTPUT SPECTRUM

FREQUENCY (MHz)

0

-70

-40

-50

-20

-80

-60

-90

-30

-10

-100

0.1

10

100

1

fOSC = 1100kHz

INPUTS AC-COUPLED TO GND

WIDEBAND OUTPUT SPECTRUM

FREQUENCY (MHz)

0

-70

-40

-50

-20

-80

-60

-90

-30

-10

-100

0.1

10

100

1

fOSC = 700kHz

INPUTS AC-COUPLED TO GND

WIDEBAND OUTPUT SPECTRUM

FREQUENCY (MHz)

0

-70

-40

-50

-20

-80

-60

-90

-30

-10

-100

0.1

10

100

1

fOSC = 1176kHz

INPUTS AC-COUPLED TO GND

HARDWARE SHUTDOWN RESPONSE

VBIAS

500mV/div

20ms/div

OUT+ - OUT-

1V/div

SOFTWARE SHUTDOWN

ON- AND OFF-RESPONSE

VSDA

2V/div

20ms/div

OUT+ - OUT-

1V/div

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MAX9875ERP+TG45 Datasheet(PDF) 11 Page - Maxim Integrated Products

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