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Product Detailed Parameters
- Description：24 BIT DIFFERENTIAL STEREO DAC
- Series：*
- Mfr：Cirrus Logic Inc.
- Package：Bulk
- Type：-
- Number of Channels：-
- Resolution (Bits)：-
- Sampling Rate (Per Second)：-
- Data Interface：-
- Voltage Supply Source：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The WM8718SEDS/RV is a high-performance differential stereo digital-to-analog converter (DAC) manufactured by Cirrus Logic. It supports PCM data input word lengths from 16 to 32 bits and sampling rates up to 192 kHz. The device integrates a serial interface port, digital interpolation filters, multi-bit sigma-delta modulators, and differential stereo DACs within a compact 20-lead SSOP package. Key electrical specifications include a signal-to-noise ratio of 111 dB (A-weighted at 48 kHz), -100 dB total harmonic distortion, and operation with supply voltages ranging from 3.0 V to 5.5 V.
Feature Summary
- 24-bit resolution with 111 dB SNR and -100 dB THD performance
- Supports sampling frequencies from 8 kHz to 192 kHz
- Features digitally controllable mute, attenuation, and independent zero flag outputs per channel
- Compatible with I2S, Left/Right Justified, and DSP audio data interfaces
Applications
- DVD players
- Home theatre systems
- Digital TV sets
- Surround sound applications interfacing with AC-3 or DTS decoders
Procurement Notes
Verify component authenticity through authorized distributors as the part may be discontinued. Confirm RoHS compliance status and check for available process change notifications. Ensure the specific suffix matches the required package type and lead-free specifications before procurement.
Selection Notes
Select this component for designs requiring high-fidelity stereo audio output with differential signaling. Verify that the system accommodates the 3-wire serial control interface and supports the required 16-32 bit word lengths. Ensure power supply rails align with the 3.0 V to 5.5 V operating range for both analog and digital sections.
Part Context
This model belongs to the WM8718 series of audio DACs. It shares core functional specifications with variants such as the WM8718GEFL/RV, differing primarily in the physical package configuration. The SEDS/RV designation specifically indicates the 20-lead SSOP package format with reel packaging.
Replacement Considerations
Direct replacements within the same family include the WM8718EDS variant, which offers identical electrical characteristics but may differ in packaging or suffix conventions. Cross-model substitution requires verification of pin compatibility and interface settings.
