AD74322DAR Ver la hoja de datos (PDF) - Analog Devices

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AD74322DAR

Low Cost, Low Power Stereo Audio Analog Front End

Analog Devices 

AD74322

PRELIMINARY TECHNICAL DATA

PIN FUNCTION DESCRIPTION (SINGLE-ENDED I/O ; NO SPI PORT)

Mnemonic

VIN1

VIN2

VOUT1

VOUT2

REFCAP

AVDD

AGND

DVDD1

DVDD2

DGND

MCLK

SDO

SDI

SDFS

4-5-6

SCLK

Mnemonic

VIN1

VIN2

VOUT1

VOUT2

REFCAP

AVDD

AGND

DVDD1

DVDD2

DGND

MCLK

CDIN

CDOUT

CCLK

CLATCH

ASDATA

DSDATA

LRCLK/

BCLK

RESET

I/O

Function

I

Analog Input - Channel 1

I

Analog Input - Channel 2

O

Analog Output - Channel 1

O

Analog Output - Channel 2

I/O

Internal Reference - Can also be used for connection of an external reference

Analog Power Supply Connection

Analog Ground/Substrate Connection

Digital Power Supply Connection (Interface)

Digital Power Supply Connection (Core)

Digital Ground/Substrate Connection

I

External Clock Connection

O

ADC Serial Data Out - DSP Mode

I

I/O

I

I/O

I/O

I

I

O

O

I/O

DAC Serial Data In - DSP Mode

Serial Data Input Frame Sync - DSP Mode

Powerdown/Reset Input

Y Serial Clock - DSP Mode

AR PIN FUNCTION DESCRIPTION (SINGLE-ENDED I/O WITH SPI PORT)

IN L Function

IM A Analog Input - Channel 1

L IC Analog Input - Channel 2

Analog Output - Channel 1

E N Analog Output - Channel 2

PR H Internal Reference - Can also be used for connection of an external reference

C A Analog Power Supply Connection

E T Analog Ground/Substrate Connection

Digital Power Supply Connection (Interface)

T DA Digital Power Supply Connection (Core)

Digital Ground/Substrate Connection

I

External Clock Connection

I

Serial Data In on SPI Control Port

O

Serial Data Out on SPI Control Port

I

Serial Clock on SPI Control Port

I

Serial Data Latch on SPI Control Port

O

ADC Serial Data Out - I2S

I

DAC Serial Data In - I2S

I/O

Left/Right Channel Select - I2S

I/O

Bit Clock - I2S

I

Powerdown/Reset Input

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