PCM4201 datasheet(6/28 Pages) TI2

6 / 28 page

PCM4201

SBAS342B − DECEMBER 2004 − REVISED APRIL 2006

www.ti.com

PIN ASSIGNMENT

IN+

IN−

AGND

RATE

S/M

RST

HPFD

REF+

REF−

DGND

SCKI

BCK

FSYNC

DATA

PCM4201

PW PACKAGE

TSSOP-16

(TOP VIEW)

Terminal Functions

TERMINAL

PIN NO.

NAME

I/O

DESCRIPTION

VIN+

Input

Noninverting Analog Input

VIN−

Input

Inverting Analog Input

AGND

Ground

Analog Ground

VCC

Power

Analog Supply, +5V

RATE

Input

Sampling Mode Configuration (Tri-Level Input): 0 = Double Speed;

1 = Normal Speed, Low Power; Z = Normal Speed, High Performance.

Maximum external capacitive load is 100pF.

S/M

Input

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

RST

Input

Reset/Power Down (Active Low)

HPFD

Input

High Pass Filter Disable (Active High)

DATA

Output

Audio Serial Port Data

FSYNC

I/O

Audio Serial Port Frame Synchronization Clock

BCK

I/O

Audio Serial Port Bit (or Data) Clock

SCKI

Input

System Clock

VDD

Power

Digital Supply, +3.3V Typical(1)

DGND

Ground

Digital Ground

VREF−

Output

Voltage Reference Low Output, Connect to AGND

VREF+

Output

Voltage Reference High Output, De-Coupling Only(2)

(1) The VDD supply may be operated from +1.8V to +3.6V.

(2) Unbuffered output. Do not use to drive external circuitry.

PCM4201 Datasheet(PDF) 6 Page - Texas Instruments

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