MAS9560 datasheet(5/25 Pages) MAS

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DA9560.001

20 January, 2005

Pin Name

Number

Type

Function

AUXL

Analog Auxiliary (AUX) Input Left Channel (Stereo)

AUXR

Analog Auxiliary (AUX) Input Right Channel (Stereo)

HPCM

Headphone Common Output

HPVSS

GND for Headphone Driver

HPL

Headphone Output (Left Channel)

HPR

Headphone Output (Right Channel)

HPVDD

Power Supply Voltage for Headphone Driver

N/C

Not Connected

SREF

Audio Signal Reference Level

CBP

Pin for LDO Bypass Capacitor

EPVSS2

Earpiece Ground

EPN

Earpiece Differential Output (Negative)

EPVDD

Power Supply for Earpiece Driver

EPP

Earpiece Differential Output (Positive)

EPVSS1

GND for Earpiece Driver

AVSS

Analog Ground

N/C

Not Connected

N/C

Not Connected

VLDO (AVDD)

LDO Output (Analog Power Supply)

Exposed Pad

Exposed pad should be soldered to GND layer to improve heat

dissipation

Note: Pins EPVDD and HPVDD have to be connected to VLDO pin.

DETAILED PIN DESCRIPTIONS

◆ Power supply pins

The power supply of MAS9560 is divided into

functional sections so that:

DVSS is connected internally with all digital

parts

IOVDD and DVSS are connected internally with

all digital inputs and outputs

DVSS is ground connection for all digital parts

All GND pins are internally connected together

LSVDD and VBAT are internally connected

together

Other power supply pins should be connected as

follows:

VLDO should be connected to VBAT in non-

LDO mode. If LDO mode is selected, VLDO is

the output of LDO.

HPVDD and EPVDD can be driven by VLDO in

LDO mode to reduce power supply noise

HPVSS, EPVSS, LSVSS must be connected to

analog ground (AVSS). The pins are internally

connected together.

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