Rainbow-electronics MAX5559 Manual do Utilizador Página 1

Consulte online ou descarregue Manual do Utilizador para Sensores Rainbow-electronics MAX5559. Rainbow Electronics MAX5559 User Manual Manual do Utilizador

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General Description
The MAX5556–MAX5559 stereo audio sigma-delta
digital-to-analog converters (DACs) offer a simple and
complete stereo digital-to-analog solution for media
servers, set-top boxes, video-game hardware, automo-
tive rear-seat entertainment and other general consumer
audio applications. These DACs feature built-in digital
interpolation/filtering, sigma-delta digital-to-analog con-
version 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 conditions occur.
The MAX5556–MAX5559 receive input data over a flexi-
ble 3-wire interface, supporting I
2
S-compatible, left-jus-
tified, right-justified 16-bit, and right-justified 18-bit
audio data. Data can be clocked by either an external
or internal serial clock. The internal serial clock frequen-
cy is programmable by selection of a master clock
(MCLK) and sample clock (LRCLK) ratio. Sampling
rates from 2kHz to 50kHz are supported.
The MAX5556–MAX5559 operate from a single +4.75V
to +5.5V analog supply with total harmonic distortion
plus noise below -87dB. These devices are available in
8-pin SO packages and are specified over the -40°C to
+85°C industrial temperature range.
Applications
Digital Video Recorders and Media Servers
Set-Top Boxes
Video-Game Hardware
Automotive Rear-Seat Entertainment
Features
Simple and Complete Stereo Audio DAC
Solutions, No Controls to Set
Sigma-Delta Stereo DACs with Built-In
Interpolation and Analog Output Filters
I
2
S-Compatible Digital Audio Interface (MAX5556)
Clickless/Popless Operation
Output Voltage Swing: 3.5V
P-P
-87dB THD+N
+87dB Dynamic Range
Sample Frequencies (f
S
) from 2kHz to 50kHz
Master Clock (MCLK) up to 25MHz
Automatic Detection of Clock Ratio (MCLK/
LRCLK)
MAX5556–MAX5559
Ordering Information
Typical Operating Circuit
19-0550; Rev 0; 5/06
Low-Cost Stereo Audio DACs
________________________________________________________________
Maxim Integrated Products
1
For pricing delivery, and ordering information please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Note:
All devices are specified over the -40°C to +85°C oper-
ating temperature range. Contact factory for +105°C operation.
*
Future product—contact factory for availability.
SERIAL
INTERFACE
MCLK
LRCLK
SCLK
SDATA
GND
V
DD
OUTR
OUTL
CLOCK
DAC
DAC
+5V
LEFT
OUTPUT
RIGHT
OUTPUT
LINE-LEVEL
BUFFER
LINE-LEVEL
BUFFER
AUDIO
DECOMPRESSION
MAX5556–MAX5559
Pin Configuration
GND
OUTRMCLK
1
2
8
7
OUTL
V
DD
SCLK
LRCLK
SDATA
SO
TOP VIEW
3
4
6
5
MAX5556–
MAX5559
PART
PIN -
PA C K A G E
PKG
CODE
DATA FORMAT
MAX5556ESA 8 SO S8-5 Left-justified I
2
S data
M A X5 5 5 7 E S A* 8 SO S8-5 Left-justified data
M A X5 5 5 8 E S A* 8 SO S8-5 Ri g ht- j usti fi ed 16- Bi t d ata
M A X5 5 5 9 E S A* 8 SO S8-5 Ri g ht- j usti fi ed 18- Bi t d ata
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Resumo do Conteúdo

Página 1 - Low-Cost Stereo Audio DACs

General DescriptionThe MAX5556–MAX5559 stereo audio sigma-delta digital-to-analog converters (DACs) offer a simple andcomplete stereo digital-to-analo

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MAX5556–MAX5559Low-Cost Stereo Audio DACs10 _______________________________________________________________________________________Serial Clock (SCLK)

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MAX5556–MAX5559Low-Cost Stereo Audio DACs______________________________________________________________________________________11tSLRHtSLRStSDHSDATASC

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MAX5556–MAX5559Left/Right Clock Input (LRCLK)LRCLK is the left/right clock input signal for the 3-wireinterface and sets the sample frequency (fS). On

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MAX5556–MAX5559Low-Cost Stereo Audio DACs______________________________________________________________________________________13The MAX5558 accepts 1

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MAX5556–MAX5559Low-Cost Stereo Audio DACs14 _______________________________________________________________________________________OUTR33pFOUTL+5V33pF

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MAX5556–MAX5559Low-Cost Stereo Audio DACs______________________________________________________________________________________15NO POWER APPLIEDOUTPU

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MAX5556–MAX5559Low-Cost Stereo Audio DACs16 _______________________________________________________________________________________Pop and Click Suppr

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MAX5556–MAX5559Low-Cost Stereo Audio DACs______________________________________________________________________________________17TIMEOUTPUTVOLTAGE(OUT

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MAX5556–MAX5559Power-Supply Connections and GroundManagementProper layout and grounding are essential for optimumperformance. Use large traces for the

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MAX5556–MAX5559HeslingtonLow-Cost Stereo Audio DACsMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied

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MAX5556–MAX5559Low-Cost Stereo Audio DACs2 ________________________________________________________________________________________VDDto GND...

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MAX5556–MAX5559Low-Cost Stereo Audio DACs_______________________________________________________________________________________3ELECTRICAL CHARACTERI

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MAX5556–MAX5559Low-Cost Stereo Audio DACs4 ________________________________________________________________________________________ELECTRICAL CHARACTE

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MAX5556–MAX5559Low-Cost Stereo Audio DACs_______________________________________________________________________________________5(VDD= +5V, GND = 0V,

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MAX5556–MAX5559Low-Cost Stereo Audio DACs6 ________________________________________________________________________________________(VDD= +5V, GND = 0V

Página 17

MAX5556–MAX5559Detailed DescriptionThe MAX5556–MAX5559 stereo audio sigma-delta DACsoffer a complete stereo digital-to-analog system for con-sumer aud

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MAX5556–MAX5559Low-Cost Stereo Audio DACs8 ________________________________________________________________________________________Integrated Analog L

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MAX5556–MAX5559Low-Cost Stereo Audio DACs_______________________________________________________________________________________9Clock and Data Interf

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