PCM4204PAPR datasheet(7/38 Pages) TI1

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PCM4204

SBAS327A − JUNE 2004 − REVISED SEPTEMBER 2004

www.ti.com

Terminal Functions

TERMINAL

PIN NO.

NAME

I/O

DESCRIPTION

VIN1−

Input

Channel 1 Analog Input, Inverting

VIN1+

Input

Channel 1 Analog Input, Non-inverting

—

No Internal Connection

—

No Internal Connection

VCC1

Power

Analog Supply, +5V Nominal

AGND1

Ground

Analog Ground

BGND1

Ground

Substrate Ground

DGND1

Ground

Digital Ground

VDD1

Power

Digital Supply, +3.3V Nominal

RST

Input

Reset/Power Down (Active Low with internal pull-up to VDD1)

TEST

Input

Test Pin (Active High with internal pull-down to DGND)

FS0

Input

Sampling Mode

FS1

Input

Sampling Mode

FS2

Input

Sampling Mode

SCKI

Input

System Clock

BGND2

Ground

Substrate Ground

S/M

Input

Audio Serial Port Slave/Master Mode (0 = Master, 1 = Slave)

FMT0

Input

Audio Data Format

FMT1

Input

Audio Data Format

FMT2

Input

Audio Data Format

—

No Internal Connection

DGND2

Ground

Digital Ground

VDD2

Power

Digital Supply, +3.3V Nominal

DSDCLK

I/O

DSD Data Clock

DSD1

I/O

Channel 1 DSD Data

DSD2

I/O

Channel 2 DSD Data

DSD3

I/O

Channel 3 DSD Data

DSD4

I/O

Channel 4 DSD Data

BCK

I/O

Audio Serial Port Bit Clock

LRCK

I/O

Audio Serial Port Left/Right (or Word) Clock

SDOUT1

Output

PCM Data for Channels 1 and 2(1)

SDOUT2

Output

PCM Data for Channels 3 and 4(1)

BGND3

Ground

Substrate Ground

CLIP1

Output

Channel 1 Clipping Flag (Active High)

CLIP2

Output

Channel 2 Clipping Flag (Active High)

CLIP3

Output

Channel 3 Clipping Flag (Active High)

CLIP4

Output

Channel 4 Clipping Flag (Active High)

HPFD

Input

High-Pass Filter Disable (Active High)

SUB

Input

TDM Sub-Frame Assignment (0 = SF 0, 1 = SF 1)

VDD3

Power

Digital Supply, +3.3V Nominal

(1) For TDM formats, SDOUT1 carries data for all four channels, while SDOUT2 is driven low.

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