WM8915ECSN/R

$3.88

Description：IC DAC/AUDIO 24BIT 48K 54WCSP
Series：-

SKU:a1951b91026a Category: ADCs/DACs - Special Purpose Brand: Cirrus Logic Inc.

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Product introduction

Product Detailed Parameters

Description：IC DAC/AUDIO 24BIT 48K 54WCSP
Series：-
Mfr：Cirrus Logic Inc.
Package：Tape & Reel (TR)
Type：DAC, Audio
Number of Channels：4
Resolution (Bits)：24 b
Sampling Rate (Per Second)：48k
Data Interface：DSP, I2S
Voltage Supply Source：-
Voltage - Supply：0.95V ~ 1.98V, 1.71V ~ 3.6V
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：54-UFBGA, WCSP
Supplier Device Package：54-W-CSP (3.24x3.56)
Grade：-
Qualification：-

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WM8915ECSN/R

Overview

The WM8915ECSN/R is an ultra-low power mobile audio CODEC designed for high-quality voice and music playback in portable devices. It features four DAC channels with 99dB SNR and four Class W ground-referenced output drivers supporting headset, earpiece, or line outputs. The device integrates a micro-power accessory interface for plug-in detection and up to seven-button headsets, alongside PDM interfaces for digital microphones and speakers. Power consumption is optimized at 5mW in playback mode, operating within a -40°C to +85°C temperature range.

Feature Summary

Four-channel DAC with 99dB SNR ('A' weighted) and four Class W headphone/line outputs
Advanced 3.5mm accessory interface supporting up to seven buttons and load impedance sensing
Integrated PDM interfaces: 4-channel digital microphone inputs and 2-channel digital speaker amplifier outputs
Ultra-low power consumption of 5mW in playback mode with programmable digital audio interfaces

Applications

Music phones requiring high-quality voice and music playback
General purpose low power portable CODEC applications
Portable systems utilizing 3.5mm AV connectors and headset accessories

Procurement Notes

Verify the ordering code WM8915ECSN/R against the datasheet to confirm the 54-ball W-CSP package and tape and reel packaging. Ensure the moisture sensitivity level (MSL1) and peak soldering temperature (260°C) requirements are met during assembly. Confirm the temperature range specification (-40°C to +85°C) aligns with the target application environment.

Selection Notes

Select this component when designing for ultra-low power mobile applications requiring integrated Class W amplifiers and digital microphone support. The device supports standard sample rates up to 48kHz and includes programmable filtering and dynamic range control. Consider the 54-pin W-CSP package dimensions (3.24 x 3.56 x 0.58mm) for space-constrained portable designs.

Part Context

The WM8915 is part of Cirrus Logic's mobile audio hub CODEC family, protected by patents US 7,622,984 and US 7,626,445. It is supplied in a 54-ball W-CSP package suitable for portable systems. The production data is dated December 2014, Revision 4.4.