CS5516 datasheet(27/41 Pages) CIRRUS

27 / 41 page

PIN DESCRIPTIONS

Power Supply Connections

VD+ - Positive Digital Power, PIN 20.

Positive digital supply voltage. Nominally +5 volts.

VD- - Negative Digital Power, PIN 21.

Negative digital supply voltage. Nominally -5 volts.

DGND - Digital Ground, PIN 19.

Digital ground.

VA+ - Positive Analog Power, PIN 3.

Positive analog supply voltage. Nominally +5 volts.

VA- - Negative Analog Power, PIN 4.

Negative analog supply voltage. Nominally -5 volts.

AGND1, AGND2 - Analog Ground, PINS 5, 8.

Analog ground.

Clock Generator

XIN; XOUT - Crystal In; Crystal Out, Pins 22, 23

An internal gate is connected to these pins enabling the use of either a crystal or a ceramic

resonator to provide the master clock for the device. Alternatively, an external (CMOS

compatible) clock can be input to the XIN pin as the master clock for the device.

Modulator Diff. Voltage Ref +

MDRV+

SMODE

Serial Interface Mode

Modulator Diff. Voltage Ref -

MDRV-

XOUT

Crystal Out

Positive Analog Power

VA+

XIN

Crystal In

Negative Analog Power

VA-

VD-

Negative Digital Power

Analog Ground One

AGND1

VD+

Positive Digital Power

Analog In +

AIN+

DGND

Digital Ground

Analog In -

AIN-

SOD

Serial Output Data

Analog Ground Two

AGND2

SID

Serial Input Data

Voltage Ref In +

VREF+

SCLK

Serial Clock Input

Voltage Ref In -

VREF-

DRDY

Data Ready

Bridge Excite 2

BX2

Chip Select

Bridge Excite 1

BX1

RST

Reset

CS5516, CS5520

DS74F1

DS74F2

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