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Hands Free LSI
AK7718*
Low Power DSP with 3 Serial Audio I/F
The AK7718 is a low power consumption digital signal processor (DSP) with three serial data I/F’s. It is easy to connect to a digital interface of many applications. As the AK7718 is a RAM based DSP, it is programmable for user requirements. AKM’s original Hands-free technology provides high performance noise and echo cancelling.
The AK7718 is available in a space saving small 24pin WL-CSP package.
AK7718
  • Applications: Smart Phones, Net Books
  • DSP
    - Programmable DSP with RAM
  • Three Audio Serial Data interfaces
    - PCM (Short, Long Frame), I2S, Left justified
    - 16bit linear, 8bit A-law, 8bit micro-law
    - Digital loop through function
    - Sampling Rate: 8 kHz, 16 kHz, 32 kHz
  • Serial microP Interface: I2C-Compatible (100k/400kHz)
  • Single Power Supply
    VDD: 1.6V ~ 2.0V (typ.1.8V)
  • Operating Temperature Range: -20°C~ 85°C
  • Package: 24-Pin WL-CSP (2.6mm 2.6mm 0.6mm, 0.5mm pitch)
  • Standby Function
  • Low Power Consumption
    HF mode: 7mA (typ)
    Standby, Power Down mode: 1.2uA (typ)
  • Evaluation Board: AKD7718
Under Development
         

AK7718 BLOCK DIAGRAM
AK7718 BLOCK DIAGRAM
To inquire for this product  |  USA   /   English