CS5371 datasheet(16/22 Pages) CIRRUS

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CS5371 CS5372

DS255F3

10. PIN DESCRIPTION - CS5371

Power Supplies

VA+ _ Positive Analog Power Supply, pin 8

Positive supply voltage.

VA- _ Negative Analog Power Supply, pin 7

Negative supply voltage.

VD _ Positive Digital Power Supply, pin 13, 18

Positive supply voltage.

DGND _ Digital Ground, pin 17

Analog Inputs

INR+ _ Rough Non-Inverting Input, pin 1

Rough non-inverting analog input. The rough input settles non-linear currents to improve

linearity on the fine input and reduce harmonic distortion.

INR- _ Rough Inverting Input, pin 4

Rough inverting analog input. The rough input settles non-linear currents to improve linearity

on the fine input and reduce harmonic distortion.

INF+ _ Fine Non-Inverting Input, pin 2

Fine non-inverting analog input.

817

Rough Non-Inverting Input

INR+

Fine Non-Inverting Input

INF+

Fine Inverting Input

INF-

Rough Inverting Input

INR-

Positive Voltage Reference Input

VREF+

Negative Voltage Reference Input

VREF-

Negative Analog Power Supply

VA-

Positive Analog Power Supply

VA+

No Internal Connection

PWDN

Power-down Enable

LPWR

Low Power Mode Select

MFLAG

Modulator Flag Output

MDATA

Modulator Data Output

MSYNC

Modulator Sync Input

MCLK

Modulator Clock Input

Positive Digital Power Supply

DGND

Digital Ground

No Internal Connection

OFST

Offset Mode Select

Positive Digital Power Supply

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