PCM2707C_15 datasheet(4/47 Pages) TI

Part #	PCM2707C

Description	PCM270xC Stereo Audio DAC With USB Interface, Single-Ended Headphone Output and S/PDIF Output

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Manufacturer	TI [Texas Instruments]

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XTO

CK

DT

PSEL

DOUT

DGND

V

DD

D

-

D+

V

BUS

ZGND

AGNDL

V

CCL

V

L

OUT

XTI

SSPND

TEST0

TEST1

HID2/MD

HID1/MC

HID0/MS

HOST

V

CCP

PGND

V

COM

AGNDR

V

CCR

V

R

OUT

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

PCM2704C, PCM2705C, PCM2706C, PCM2707C

SBFS036B – MAY 2015 – REVISED AUGUST 2015

www.ti.com

6 Pin Configuration and Functions

PCM2704C, PCM2705C DB Package

28-Pin SSOP

Top View

Pin Functions: DB Package (PCM2704C/PCM2705C)

DESCRIPTION

NAME

NO.

I/O

AGNDL

12

—

Analog ground for headphone amplifier of L-channel

AGNDR

17

—

Analog ground for headphone amplifier of R-channel

CK

2

O

Clock output for external ROM (PCM2704C). Must be left open (PCM2705C).

D+

9

I/O

USB differential input/output plus(1)

D–

8

I/O

USB differential input/output minus(1)

DGND

6

—

Digital ground

DOUT

5

O

S/PDIF output

DT

3

I/O

Data input/output for external ROM (PCM2704C). Must be left open with pullup resistor (PCM2705C). (1)

HID0/MS

22

I

HID key state input (mute), active high (PCM2704C). MS input (PCM2705C)(2)

HID1/MC

23

I

HID key state input (volume up), active high (PCM2704C). MC input (PCM2705C) (2)

HID2/MD

24

I

HID key state input (volume down), active high (PCM2704C). MD input (PCM2705C) (2)

Host detection during self-powered operation (connect to VBUS). Max power select during bus-powered

HOST

21

I

operation (low: 100 mA, high: 500 mA).(3)

PGND

19

—

Analog ground for DAC, OSC, and PLL

PSEL

4

I

Power source select (low: self-power, high: bus-power)(1)

SSPND

27

O

Suspend flag, active low (low: suspend, high: operational)

TEST0

26

I

Test pin. Must be set high(1)

TEST1

25

I

Test pin. Must be set high(1)

VBUS

10

—

Connect to USB power (VBUS) for bus-powered operation. Connect to VDD for self-powered operation.

VCCL

13

—

Analog power supply for headphone amplifier of L-channel(4)

(1)

LV-TTL level.

(2)

LV-TTL level with internal pulldown

(3)

LV-TTL level, 5-V tolerant

(4)

Connect decoupling capacitor to GND. Supply 3.3 V for self-powered applications.

4

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Product Folder Links: PCM2704C PCM2705C PCM2706C PCM2707C

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