PCM4104IPFBREP datasheet(7/43 Pages) TI

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PCM4104-EP

SBAS419 – JUNE 2007

PIN ASSIGNMENTS (continued)

TERMINAL FUNCTIONS (continued)

TERMINAL

I/O

DESCRIPTION

NAME

NO.

VDD

Power

Digital Power Supply, 3.3 V

DGND

Ground

Digital Ground

Input

Serial Peripheral Interface (SPI) Chip Select (Active Low)

CCLK

Input

Serial Peripheral Interface (SPI) Data Clock

CDIN

Input

Serial Peripheral Interface (SPI) Data Input

CDOUT

Output

Serial Peripheral Interface (SPI) Data Output

FMT0

Input

Audio Data Format Configuration

FMT1

Input

Audio Data Format Configuration

FMT2

Input

Audio Data Format Configuration

FS0

Input

Sampling Mode Configuration

FS1

Input

Sampling Mode Configuration

No Internal Connection

VREF4+

Input

Channel 4 High Reference Voltage; Connect to VCC

VREF4–

Input

Channel 4 Low Reference Voltage; Connect to AGND

AGND2

Ground

Analog Ground

VOUT4–

Output

Channel 4 Analog Output, Inverted

VOUT4+

Output

Channel 4 Analog Output, Noninverted

VCOM2

Output

DC Common-Mode Voltage for Channels 3 and 4, 2.5 V nominal

VOUT3+

Output

Channel 3 Analog Output, Noninverted

VOUT3–

Output

Channel 3 Analog Output, Inverted

VCC2

Power

Analog Power Supply, 5 V

VREF3+

Input

Channel 3 High Reference Voltage; Connect to VCC

VREF3–

Input

Channel 3 Low Reference Voltage; Connect to AGND

VREF2–

Input

Channel 2 Low Reference Voltage; Connect to AGND

VREF2+

Input

Channel 2 High Reference Voltage; Connect to VCC

VCC1

Power

Analog Power Supply, 5 V

VOUT2–

Output

Channel 2 Analog Output, Inverted

VOUT2+

Output

Channel 2 Analog Output, Noninverted

VCOM1

Output

DC Common-Mode Voltage for Channels 1 and 2, 2.5 V nominal

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