CS5180 datasheet(16/28 Pages) CIRRUS

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CS5180

PIN DESCRIPTION

Supply Inputs

VA1+, VA2+ — Positive Analog Supply

Input for positive analog supply is +5 V typical when AGND is 0 V.

AGND — Analog Ground

Analog ground for circuits supplied by VA+.

VD1+, VD2+ — Positive Digital Supply

Input for positive digital supply is +5 V typical when DGND is 0 V.

DGND — Digital Ground

Digital ground for circuits supplied by VD+.

Signal and Reference Related Inputs

AIN+, AIN- — Differential Analog Inputs

Fully differential signal inputs.

VREFIN — Voltage Reference Input

VREFOUT or an external reference is connected to VREFIN. Analog input voltage (full scale

fully differential peak-to-peak) into the converter is 1.6 times this value.

Analog Ground

AGND

Pos. Reference

VREF+

VA1+

Positive Analog Supply

Neg. Reference

VREF-

AIN-

Negative Analog Input

Reference Output VREFOUT

AIN+

Positive Analog Input

Pos. Reference Input

VREFIN

PWDN

Power Down Mode

Reference Bypass

VREFCAP

MODE

Modulator Only Mode

Analog Ground

AGND

RESET

Reset and Calibration

Analog Supply

VA2+

DGND

Digital Ground

Invalid Conversion

MFLAG

VD1+

Positive Digital Supply

Sync. Filter

SYNC

MCLK

Master Clock

Digital Ground

DGND

MCLK

Inverse Master Clock

Pos. Digital Supply

VD2+

AGND

Analog Ground

Inverse Serial Clock

SCLK

FSO

Frame Sync Output

Serial Clock

SCLK

SDO

Serial Data Out

SDO

Inverse Serial Data Out\

CS5180

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