WM5102SECS/R Equivalent & Substitute Parts

Part Overview

The WM5102SECS/R is an audio codec with integrated DSP hub manufactured by Cirrus Logic Inc., designed for advanced audio interface applications. This component features a 24-bit SLIMbus interface with 6 ADCs and 7 DACs, delivering 96 dB and 120 dB signal-to-noise ratios respectively. The part is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design considerations.

Substiute Parts

WM5102SECS/R

Cirrus Logic Inc.In Stock: 5362WM5102SECS/R Datasheet

Current PartRFQ

CS47L24-CWZR

Cirrus Logic Inc.In Stock: 19697CS47L24-CWZR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the WM5102SECS/R is constrained by the following critical parameters:

• Data Interface Protocol: The WM5102SECS/R uses SLIMbus, a specialized audio interface protocol. Substitute parts must support equivalent or compatible data interface standards.
• Audio Channel Configuration: The 6 ADC / 7 DAC architecture defines the analog signal processing capacity. Substitutes must provide equivalent or greater channel density.
• Resolution and Signal Quality: 24-bit resolution with specified S/N ratios (96 dB ADC, 120 dB DAC) establishes baseline audio fidelity requirements.
• Supply Voltage Ranges: Analog supply (1.7V ~ 1.9V) and digital supply (1.7V ~ 3.47V) define power delivery compatibility.
• Package Form Factor: The 137-WCSP package constrains physical integration; substitutes must fit equivalent or compatible mounting footprints.
• Compliance and Availability: Product status and regulatory certifications (RoHS, REACH) determine long-term viability.

The CS47L24-CWZR is identified as a manufacturer-recommended substitute, though it operates under different architectural constraints due to its I2C interface and reduced channel count.

Parameter Comparison

Engineering Selection Recommendations

The WM5102SECS/R is obsolete and no longer in active production. The CS47L24-CWZR is the manufacturer-recommended substitute and maintains active product status with current availability (19,662 units in stock versus 5,300 for the original part).

Both components are manufactured by Cirrus Logic Inc. and share identical operating temperature ranges (-40°C ~ 85°C), RoHS compliance certifications, and MSL ratings. Both are suitable for surface mount applications in industrial and consumer audio systems.

The CS47L24-CWZR operates on fixed supply voltages (1.8V analog and digital) compared to the WM5102SECS/R's variable ranges, requiring power supply redesign. The transition from SLIMbus to I2C interface necessitates firmware and protocol stack modifications. The reduced channel count (1 ADC / 2 DACs versus 6 ADCs / 7 DACs) limits applicability to single-channel or stereo audio paths only.

Selection of the CS47L24-CWZR is appropriate for new designs or legacy system updates where channel reduction and interface protocol changes are acceptable. For applications requiring the original multi-channel SLIMbus architecture, alternative Cirrus Logic codec families or competing manufacturers' solutions must be evaluated.

Frequently Asked Questions (FAQ)

Q: Can the CS47L24-CWZR directly replace the WM5102SECS/R in existing designs?

A: Direct replacement is not possible without system redesign. The CS47L24-CWZR uses I2C instead of SLIMbus, requires fixed 1.8V supplies instead of variable ranges, and provides only 1 ADC and 2 DACs instead of 6 ADCs and 7 DACs. Firmware, power delivery, and signal routing modifications are required.

Q: What is the primary reason for substitution?

A: The WM5102SECS/R is obsolete. The CS47L24-CWZR is the manufacturer-recommended active alternative with current inventory availability.

Q: Are there package compatibility considerations?

A: No. The WM5102SECS/R uses a 137-WCSP package (5.4x5.43mm) while the CS47L24-CWZR uses a 63-WLCSP package (3.39x2.97mm). Both are ball grid array packages requiring different PCB footprints and reflow profiles.

Q: Do both parts meet the same compliance standards?

A: Both parts are RoHS compliant and REACH unaffected. The CS47L24-CWZR carries ROHS3 certification, representing current regulatory compliance. Both maintain MSL rating 1 (unlimited moisture sensitivity).

Q: What audio quality differences exist between these parts?

A: The WM5102SECS/R specifies 96 dB S/N ratio for ADCs and 120 dB for DACs. The CS47L24-CWZR specifies 94 dB dynamic range for DACs only. Direct comparison is limited due to different measurement methodologies and reduced channel count in the substitute.