MAX5556 Maxim Integrated Products, MAX5556 Datasheet

MAX5556

Manufacturer Part Number

MAX5556

Description

Low-Cost Stereo Audio DAC

Manufacturer

Maxim Integrated Products

Datasheet

1.MAX5556.pdf (17 pages)

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The MAX5556 stereo audio sigma-delta digital-to-analog

converter (DAC) offers a simple and complete stereo

digital-to-analog solution for media servers, set-top

boxes, video-game hardware, automotive rear-seat

entertainment, and other general consumer audio appli-

cations. This DAC features built-in digital interpolation/fil-

tering, sigma-delta digital-to-analog conversion, and

analog output filtering. Control logic and mute circuitry

minimize audible pops and clicks during power-up,

power-down, clock changes, or when invalid clock con-

ditions occur.

The MAX5556 receives input data over a 3-wire

Data can be clocked by either an external or internal

serial clock. The internal serial clock frequency is pro-

grammable by selection of a master clock (MCLK) and

sample clock (LRCLK) ratio. Sampling rates from 2kHz

to 50kHz are supported.

The MAX5556 operates from a single +4.75V to +5.5V

analog supply with total harmonic distortion plus noise

below -87dB. This device is available in an 8-pin SO

package and is specified over the -40°C to +85°C

industrial temperature range.

19-0550; Rev 1; 2/11

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

S-compatible interface with left-justified audio data.

DECOMPRESSION

CLOCK

AUDIO

Digital Video Recorders and Media Servers

Set-Top Boxes

Video-Game Hardware

Automotive Rear-Seat Entertainment

SDATA

SCLK

LRCLK

MCLK

Typical Operating Circuit

________________________________________________________________ Maxim Integrated Products

INTERFACE

SERIAL

General Description

+5V

GND

DAC

MAX5556

DAC

OUTL

OUTR

Applications

FILTER

LINE-LEVEL

BUFFER

Low-Cost Stereo Audio DAC

OUTPUT

RIGHT

LEFT

o Simple and Complete Stereo Audio DAC

o Sigma-Delta Stereo DACs with Built-In

o I

o Clickless/Popless Operation

o 3.5V

o -87dB THD+N

o +87dB Dynamic Range

o Sample Frequencies (f

o Master Clock (MCLK) up to 25MHz

o Automatic Detection of Clock Ratio (MCLK/

+Denotes a lead(Pb)-free/RoHS-compliant package. For lead-

ed version, contact factory.

/V denotes an automotive-qualified part.

MAX5556ESA+

MAX5556ESA/V+

Solutions, No Controls to Set

Interpolation and Analog Output Filters

LRCLK)

TOP VIEW

S-Compatible Digital Audio Interface

PART

P-P

Output Voltage Swing

SDATA

LRCLK

MCLK

SCLK

-40°C to

RANGE

+85°C

TEMP

Ordering Information

MAX5556

) from 2kHz to 50kHz

Pin Configuration

PACKAGE

8 SO

PIN-

OUTL

GND

OUTR

Left-justified I

data

Left-justified I

data

DATA FORMAT

Features

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