DSD1791 datasheet(2/56 Pages) TI1

2 / 56 page

DSD1791

SLES072B − MARCH 2003 − REVISED NOVEMBER 2006

www.ti.com

ORDERING INFORMATION

PRODUCT

PACKAGE

PACKAGE CODE

OPERATION

TEMPERATURE

RANGE

PACKAGE

MARKING

ORDERING

NUMBER

TRANSPORT

MEDIA

DSD1791DB

28-lead SSOP

28DB

–25

°C to 85°C

DSD1791

DSD1791DB

Tube

DSD1791DB

28-lead SSOP

28DB

–25

°C to 85°C

DSD1791

DSD1791DBR

Tape and reel

ABSOLUTE MAXIMUM RATINGS

over operating free-air temperature range unless otherwise noted(1)

DSD1791

Supply voltage

VCCF, VCCL, VCCC, VCCR

–0.3 V to 6.5 V

Supply voltage

VDD

–0.3 V to 4 V

Supply voltage differences: VCCF, VCCL, VCCC, VCCR

±0.1 V

Ground voltage differences: AGNDF, AGNDL, AGNDC, AGNDR, DGND

±0.1 V

Digital input voltage

PLRCK, PDATA, PBCK, DSDL, DSDR, DBCK, MS(2), MDI(2), MC, SCK, RST

–0.3 V to 6.5 V

Digital input voltage

ZEROL, ZEROR, MS(3), MDI(3)

–0.3 V to (VDD + 0.3 V) < 4 V

Analog input voltage

–0.3 V to (VCC + 0.3 V) < 6.5 V

Input current (any pins except supplies)

±10 mA

Ambient temperature under bias

–40

°C to 125°C

Storage temperature

–55

°C to 150°C

Junction temperature

150

°C

Lead temperature (soldering)

260

°C, 5 s

Package temperature (IR reflow, peak)

260

°C

(1) Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and

functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not

implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2) Input mode

(3) Output mode

ELECTRICAL CHARACTERISTICS

all specifications at TA = 25°C, VCC = 5 V, VDD = 3.3 V, fS = 44.1 kHz, system clock = 256 fS, and 24-bit data, unless otherwise noted

PARAMETER

DSD1791DB

UNIT

PARAMETER

MIN

TYP

MAX

UNIT

RESOLUTION

Bits

DATA FORMAT (PCM Mode)

Audio data interface format

Standard, I2S, left justified

Audio data bit length

16-, 20-, 24-bit selectable

Audio data format

MSB first, 2s complement

Sampling frequency

200

kHz

System clock frequency

128, 192, 256, 384, 512, 768 fS

DATA FORMAT (DSD Mode)

Audio data interface format

DSD (direct stream digital)

Audio data bit length

1 Bit

Sampling frequency

2.8224

MHz

System clock frequency

2.8224

11.2896

MHz

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