WM8963ECSN/R Equivalent & Substitute Parts

Part Overview

The WM8963ECSN/R is a stereo audio codec interface manufactured by Cirrus Logic Inc., designed for applications requiring high-fidelity audio processing with integrated analog-to-digital and digital-to-analog conversion. This Active product operates as a complete audio interface solution with 24-bit resolution, supporting both I2C and SPI digital communication protocols. The device is packaged in a 49-WLCSP (4.69x3.98mm) surface mount configuration, suitable for space-constrained applications. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the allowed parameter set.

Substiute Parts

WM8963ECSN/R

Cirrus Logic Inc.In Stock: 1106WM8963ECSN/R Datasheet

Current PartRFQ

WM8962BECSN/R

Cirrus Logic Inc.In Stock: 6197WM8962BECSN/R Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The WM8962BECSN/R qualifies as a substitute for the WM8963ECSN/R based on the following allowed substitution criteria:

Maintained Electrical Compatibility:

• Identical audio codec type (Stereo Audio)
• Identical resolution (24-bit)
• Identical data interfaces (I2C, SPI)
• Identical ADC/DAC configuration (2 / 2)
• Identical Sigma Delta architecture
• Identical analog supply voltage range (1.7V ~ 2V)
• Identical operating temperature range (-40°C ~ 85°C)

Maintained Mechanical Compatibility:

• Identical mounting type (Surface Mount)
• Identical package family (49-WFBGA, WLCSP)
• Compatible package dimensions (3.6x3.9mm vs. 4.69x3.98mm)

Maintained Compliance:

• Identical RoHS status (ROHS3 Compliant)
• Identical MSL rating (1 - Unlimited)
• Identical REACH status (REACH Unaffected)

Differences Noted:

• Digital supply voltage range differs: WM8962BECSN/R supports 1.62V ~ 3.6V (wider range than WM8963ECSN/R at 1.14V ~ 2V)
• S/N ratio specifications are higher for WM8962BECSN/R (94 / 98 dB vs. 91 / 94 dB)
• Packaging format differs (Cut Tape & Digi-Reel® vs. Tape & Reel)

Parameter Comparison

Engineering Selection Recommendations

Both the WM8963ECSN/R and WM8962BECSN/R maintain Active product status from Cirrus Logic Inc., ensuring ongoing manufacturer support and availability. Both devices are ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements for electronic components.

The WM8962BECSN/R offers improved signal-to-noise ratio specifications (94 / 98 dB vs. 91 / 94 dB) and an extended digital supply voltage range (1.62V ~ 3.6V), providing greater flexibility in power supply design. The analog supply voltage range remains identical (1.7V ~ 2V), and all core audio interface specifications are equivalent.

Selection between these parts should be based on specific power supply architecture requirements and signal quality specifications of the target application. Both parts are suitable for identical mechanical integration due to compatible 49-WLCSP packaging.

Frequently Asked Questions (FAQ)

Q: Can WM8962BECSN/R replace WM8963ECSN/R in existing designs?

A: Yes, provided the digital supply voltage of your design operates within the WM8962BECSN/R range of 1.62V ~ 3.6V. The WM8963ECSN/R specifies a narrower digital supply range of 1.14V ~ 2V. If your design uses digital supply voltages below 1.62V, the WM8962BECSN/R is not suitable. All other electrical and mechanical parameters are equivalent.

Q: What are the package dimension differences?

A: The WM8963ECSN/R is supplied in 49-WLCSP (4.69x3.98mm), while the WM8962BECSN/R is supplied in 49-CSP (3.6x3.9mm). Both use the same 49-WFBGA, WLCSP package family. The dimensional difference is negligible for PCB layout purposes.

Q: Are there audio quality differences between these parts?

A: The WM8962BECSN/R specifies higher S/N ratios: 94 dB for ADC and 98 dB for DAC, compared to 91 dB and 94 dB respectively