MAXIM MAX5556 Low-Cost Stereo Audio DAC Data Sheet
Summary
This stereo audio DAC provides a comprehensive, low-cost solution for converting digital audio signals to high-quality analog output. Designed for embedded systems, it features built-in interpolation and advanced filtering technology that ensures clean, popless sound across various power conditions. The device supports wide sampling rates (2kHz–50kHz) via an I²S interface, making it ideal for developing media servers, set-top boxes, video games, or automotive entertainment systems needing reliable audio performance up to +85°C.
Page 1 Text Content
19-0550; Rev 1; 2/11
Low-Cost Stereo Audio DAC
General Description Features
The MAX5556 stereo audio sigma-delta digital-to-analog Simple and Complete Stereo Audio DAC converter (DAC) offers a simple and complete stereo
Solutions, No Controls to Set
digital-to-analog solution for media servers, set-top
Sigma-Delta Stereo DACs with Built-In
boxes, video-game hardware, automotive rear-seat
Interpolation and Analog Output Filters
entertainment, and other general consumer audio appli- cations. This DAC features built-in digital interpolation/fil-
I2S-Compatible Digital Audio Interface
tering, sigma-delta digital-to-analog conversion, and
Clickless/Popless Operation
analog output filtering. Control logic and mute circuitry minimize audible pops and clicks during power-up, 3.5VP-P Output Voltage Swing power-down, clock changes, or when invalid clock con-
-87d B THD+N
ditions occur.
+87d B Dynamic Range
The MAX5556 receives input data over a 3-wire I2S-compatible interface with left-justified audio data. Sample Frequencies (f S) from 2k Hz to 50k Hz Data can be clocked by either an external or internal
Master Clock (MCLK) up to 25MHz
serial clock. The internal serial clock frequency is pro- grammable by selection of a master clock (MCLK) and Automatic Detection of Clock Ratio (MCLK/ sample clock (LRCLK) ratio. Sampling rates from 2k Hz LRCLK) to 50k Hz are supported. The MAX5556 operates from a single +4.75V to +5.5V Ordering Information analog supply with total harmonic distortion plus noise below -87d B. This device is available in an 8-pin SO TEMP PIN-
PART DATA FORMAT
package and is specified over the -40°C to +85°C RANGE PACKAGE industrial temperature range.
-40°C to Left-justified I2S
MAX5556ESA+ 8 SO
+85°C data
Applications
-40°C to Left-justified I2S
Digital Video Recorders and Media Servers MAX5556ESA/V+ 8 SO
+85°C data
Set-Top Boxes
+Denotes a lead(Pb)-free/Ro HS-compliant package. For lead-
Video-Game Hardware ed version, contact factory.
Automotive Rear-Seat Entertainment /V denotes an automotive-qualified part.
Typical Operating Circuit Pin Configuration +5V
TOP VIEW
OUTPUT SDATA OUTL
SDATA OUTL
DAC FILTER
AUDIO VDDSCLK DECOMPRESSION SCLK
LINE-LEVEL MAX5556 BUFFER
LRCLK SERIAL
LRCLK GND
INTERFACE
MAX5556
OUTRMCLK
OUTPUT
MCLK FILTERDAC
CLOCK
LINE-LEVEL
GND BUFFER
Maxim Integrated Products
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.
Page Summary Contents For MAXIM MAX5556 Low-Cost Stereo Audio DAC Data Sheet
Manual Details
| Brand | Audio |
|---|---|
| Pages | 17 |
| File Size | 638.90 KB |
| Published | May 15, 2026 |
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Frequently Asked Questions
What sampling rates are supported by this DAC?
Sampling rates from 2kHz to 50kHz are supported, and the device can be clocked by either an external or internal Master Clock (MCLK).
How do I create a low-cost line-level solution?
Connect the MAX5556 output through a passive output filter, as detailed in Figure 8.
What is the required operating voltage supply for the MAX5556?
The device operates from a single analog supply ranging between +4.75V and +5.5V.
Which product version is intended for automotive applications?
The /V suffix denotes an automotive-qualified part, such as the MAX5556ESA/V.