CS5317 datasheet(17/32 Pages) CIRRUS

17 / 32 page

PIN DESCRIPTIONS

(Pin numbers refer to the 18-pin DIP package)

18 pin DIP Pinout

20 pin SOIC pinout

Power Supplies

VD+ - Positive Digital Power, PIN 2.

Positive digital supply voltage. Nominally 5 volts.

VD- - Negative Digital Power, PIN 10.

Negative digital supply voltage. Nominally -5 volts.

DGND - Digital Ground, PIN 4.

Digital ground reference.

VA+ - Positive Analog Power, PIN 1.

Positive analog supply voltage. Nominally 5 volts.

VA- - Negative Analog Power, PIN 14.

Negative analog supply voltage. Nominally -5 volts.

AGND - Analog Ground, PIN 15.

Analog ground reference.

PLL/Clock Generator

CLKIN - Clock Input, PIN 9.

Clock input for both clock generation modes and the clock override mode (see MODE).

POSITIVE ANALOG POWER

VA+

VCOIN

VCO INPUT

POSITIVE DIGITAL POWER

VD+

PHDT

PHASE DETECT

DATA OUTPUT ENABLE

DOE

RST

RESET

DIGITAL GROUND

DGND

AGND

ANALOG GROUND

SERIAL CLOCK OUTPUT CLKOUT

VA-

NEGATIVE ANALOG POWER

SERIAL DATA OUTPUT

DATA

NO CONNECT

CLOCKING MODE SELECT

MODE

REFBUF

POSITIVE REFERENCE BUFFER

DATA OUTPUT READY

DOUT

AIN

ANALOG INPUT

CLOCK INPUT

CLKIN

VD-

NEGATIVE DIGITAL POWER

POSITIVE ANALOG POWER

VA+

VCOIN

VCO INPUT

POSITIVE DIGITAL POWER

VD+

PHDT

PHASE DETECT

DATA OUTPUT ENABLE

DOE

RST

RESET

DIGITAL GROUND

DGND

AGND

ANALOG GROUND

NO CONNECT

SERIAL CLOCK OUTPUT CLKOUT

NO CONNECT

SERIAL DATA OUTPUT

DATA

VA-

NEGATIVE ANALOG POWER

CLOCKING MODE SELECT

MODE

REFBUF

POSITIVE REFERENCE BUFFER

DATA OUTPUT READY

DOUT

AIN

ANALOG INPUT

CLOCK INPUT

CLKIN

VD-

NEGATIVE DIGITAL POWER

CS5317

DS27F4

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