Laptops

Cirrus Logic audio ICs for PC laptops, including the CS4207 audio codec and the CS35L0x digital audio amplifiers, focus on providing a superior audio performance, with innovative, highly integrated designs that minimize power consumption.

Laptops


HD Audio Codec
  • Integrated 4/6 channel 24 bit HiFi codec
    • 4 ADC, 105 dB SNR, -88 dB THD+N
    • 2 DAC, 101 dB SNR, -89 dB THD+N
    • 4 DAC, 110 dB SNR, -94 dB THD+N
  • ADC supports sample rates up to 96 kHz
  • DAC supports sample rates up to 192 kHz
  • S/PDIF receiver with sample rate converter (SRC)
  • Two independent S/PDIF transmitters
  • Headphone amplifier: 50 mW into 16 ohms
  • Very low D3 power dissipation of <7 mW
Speaker Amplifier
  • Hybrid Class-D architecture
    • 1.35 W into 8 ohms @ 1% THD+N
    • 98 dB SNR, 0.02% THD+N @ 1W
  • Over-temperature protection
  • Short-circuit protection
MEMS Microphone
  • Digital, top and bottom ports
  • 63 dB signal-to-noise ratio (SNR)
  • 120 dB acoustic overload point (AOP) @ 10% THD
  • -26 dBFS/Pa sensitivity with ±1 dB tolerance

Audio Codec

Supported Products
  • CS4207
    Low Power 4-In/6-Out HD Audio Codec with Headphone Amp
  • WM8850
    Multi-Channel HDA Codec with S/PDIF Transceiver
  • WM8860
    Multi-Channel HDA Codec with S/PDIF Transceiver

Audio Amplifier

x4 speakers
Supported Products

MEMS Microphones

Supported Products
  • WM7216E
    Low Power Top Port Digital Silicon Microphone
  • WM7236E
    Bottom Port Digital Silicon Microphone
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