Smart Codec with Advanced DSP Audio Processing

The WM5102S is a flexible, high performance smart codec that supports audiophile quality DAC playback. The digital core of this IC provides a powerful combination of fixed-function signal processing blocks with a programmable DSP. These are supported by a fully flexible, all-digital audio mixing and routing engine with sample rate converters for wide use-case flexibility. The programmable DSP supports a range of audio processing software packages, including user-programmed solutions. A suite of signal processing software packages is licensed as part of the WM5102S product, though different audio algorithms can also be implemented.

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Smart Codecs

Product Category

Mobile Audio Devices


  • Smart codec with integrated DSP
  • Master Hi-Fi filters for audiophile quality DAC playback
  • Enhanced DRE processing (eDRE) for 120 dB SNR
  • Fixed function signal processing functions
    • Wind noise, sidetone and other high/low pass filters
    • Dynamic range control, fully parametric EQs
    • Tone, noise, PWM, haptic control signal generators
  • Multi-channel asynchronous sample rate conversion
  • Integrated 6/7 channel 24-bit hi-fi audio hub codec
    • 6 ADCs, 96 dB SNR microphone input (48 kHz)
    • 7 DACs, 120 dB SNR headphone playback (48 kHz)
  • Audio inputs
    • Up to 6 analog or digital microphone inputs
    • Single-ended or differential mic/line inputs
  • Multi-purpose headphone / earpiece / line output drivers
    • 2 stereo output paths
    • 29 mW into 32Ω load at 0.1% THD+N
    • 100 mW into 32Ω BTL load at 5% THD+N
    • 6.5 mW typical headphone playback power consumption
    • Pop suppression functions
    • 1µVRMS noise floor (A-weighted, HPOUT1)
  • Mono BTL earpiece output driver
  • 2 x 2W stereo class D speaker output drivers
    • Direct drive of external haptics vibe actuators
  • Two-channel digital speaker (PDM) interface
  • SLIMbus® audio and control interface
  • 3 full digital audio interfaces
    • Standard sample rates from 4 kHz up to 192 kHz
    • Ultrasonic accessory function support
    • TDM support on all AIFs
    • 8 channel input and output on AIF1
  • Flexible clocking, derived from MCLKn, BCLKn or SLIMbus
  • 2 low power FLLs support reference clocks down to 32 kHz
  • Advanced accessory detection functions
    • Low power standby mode and configurable wake-up
  • Configurable functions on 5 GPIO pins
  • Integrated LDO regulators and charge pumps
  • Support for single 1.8V supply operation
  • Small WLCSP package, 0.4mm pitch

Parametric Specifications

DACs 7
ADCs 6
DAC THD+N (dB) -81
ADC THD+N (dB) -86
Sample Rate (kHz) 4-192
Analog Power Supply (V) 1.8
Digital Power Supply (V) 1.2;
Power Consumption (mW) 7.6-1606
Package 137 WLCSP

Software and Tools


v3.11.0.10 : 42.4 Mb

WM5102 Setup

Feb 4, 2015, Rev 2.9 : 15661 Kb


Rev 2.0.3 : 1445 Kb

Our Technology


Comprehensive Solutions