WM8758CBGEFL/RV by Cirrus Logic | Audio CODECs | Avnet ASIA
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WM8758CBGEFL/RV

Cirrus Logic

Audio Codec 2ADC / 2DAC 24-Bit 32-Pin QFN T/R

Manufacturer Part #: WM8758CBGEFL/RV

Alternate Part #: WM8758CBGEFL/RV


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Information

The WM8758B is a low power, high quality stereo CODEC designed for portable applications such as MP3 audio player. The device integrates preamps for stereo differential mics, and drivers for headphone and differential or stereo line output. External component requirements are reduced as no separate microphone or headphone amplifiers are required. Headphone and line common feedback improves crosstalk and noise performance. Advanced on-chip digital signal processing includes a 5-band equaliser, a mixed signal Automatic Level Control for the microphone or line input through the ADC as well as a purely digital limiter function for record or playback. Additional digital filtering options are available in the ADC path, to cater for application filtering such as ‘wind noise reduction’ and notch filter. The WM8758B digital audio interface can operate in master or slave mode with an integrated PLL.

Key Features

  • DAC SNR 100dB, THD -86dB (‘A’ weighted @ 48kHz)
  • ADC SNR 92.5dB, THD -75dB (‘A’ weighted @ 48kHz)
  • Headphone Driver
  • 40mW per channel output power into 16 / 3.3V AVDD2
  • Line output Mic Preamps:
  • Stereo Differential or mono microphone Interfaces
  • Programmable preamp gain
  • Psuedo differential inputs with common mode rejection
  • Programmable ALC / Noise Gate in ADC path
  • Low-noise bias supplied for electret microphones Other Features:
  • Enhanced 3-D function for improved stereo separation
  • Digital playback limiter
  • 5-band Equaliser (record or playback)
  • Programmable ADC High Pass Filter (wind noise reduction)
  • Programmable ADC Notch Filter
  • PLL supporting various clocks between 8MHz-50MHz
  • Sample rates supported (kHz): 8, 11.025, 12, 16, 22.05, 24, 32, 44.1, 48
  • Low power, low voltage
  • 2.5V to 3.6V analogue supplies
  • 1.71V to 3.6V digital supplies
  • 5x5mm 32-lead QFN package

Technical Attributes

Description
Value
Find similar Parts
Max Processing Temp
260
Supplier Package
QFN
Type
PCM
ADC/DAC Resolution
24 Bit
Number of ADC Inputs
2
Operating Temperature
-40 to 85 °C
Pin Count
32
Number of DAC Outputs
2
Number of ADCs
2
Mounting
Surface Mount
Product Dimensions
5 x 5 x 0.88
Operating Supply Voltage
1.8|3.3 V
Number of Channels
2ADC /2 DAC
MSL Level
3
Number of DACs
2
Screening Level
Industrial
Sampling Rate
48 ksps

ECCN / UNSPSC

Description
Value
ECCN:
EAR99
SCHEDULE B:
8542.3900
HTSN:
8542.3900
UNSPSC:
32101668
UNSPSC VERSION:
V15.1101
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