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AK4712

  

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AKM
Asahi Kasei Microdevices
AK4712 Stereo Cap-less LINE-Amp and HD Video-Amp

GENERAL DESCRIPTION
The AK4712 is a High Definition A/V cap-less line driver. The AK4712 integrates the audio line driver, SD/HD video filters and video drivers. Its A/V outputs are Ground-referenced and eliminate the need for large A/V DC-blocking capacitors with a built-in Charge-pump circuit. The AK4712 achieves excellent A/V performance by single 3.3V power supply. The AK4712 is ideal for a wide range of consumer HD applications, such as portable A/V players, set-top boxes, and Blu-ray/DVD player systems. The AK4712 is offered in a space saving 28pin QFN package.

FEATURES
   Audio section
      □ THD+N: −102dB (@2Vrms)
      □ Dynamic Range: 108dB (@2Vrms, A-weighted)
      □ Full Differential (or Single-ended) input for Decoder DAC
      □ Stereo Output for CINCH (2Vrms)
      □ Ground-Referenced Output Eliminates
         DC-Blocking Capacitor and Mute Circuit
   Video section
      □ Integrated LPF
         SD: –40dB@27MHz
         HD: –36dB@74.25MHz ,–40dB@54MHz or 27MHz selectable
      □ 6dB Gain for Outputs
      □ 4ch 75ohm driver
         3ch for HD: Y/Pb/Pr
         1ch for CINCH: CVBS
   Power supply
      □ 3.3V+/−5%
      □ Low Power Standby Mode
   Package
      □ 28pin QFN (0.4mm pitch)



other parts : AK4712EN  AKD4712  
AK4712 PDF
AKM
Asahi Kasei Microdevices
AK4712EN Stereo Cap-less LINE-Amp and HD Video-Amp

GENERAL DESCRIPTION
The AK4712 is a High Definition A/V cap-less line driver. The AK4712 integrates the audio line driver, SD/HD video filters and video drivers. Its A/V outputs are Ground-referenced and eliminate the need for large A/V DC-blocking capacitors with a built-in Charge-pump circuit. The AK4712 achieves excellent A/V performance by single 3.3V power supply. The AK4712 is ideal for a wide range of consumer HD applications, such as portable A/V players, set-top boxes, and Blu-ray/DVD player systems. The AK4712 is offered in a space saving 28pin QFN package.

FEATURES
   Audio section
      □ THD+N: −102dB (@2Vrms)
      □ Dynamic Range: 108dB (@2Vrms, A-weighted)
      □ Full Differential (or Single-ended) input for Decoder DAC
      □ Stereo Output for CINCH (2Vrms)
      □ Ground-Referenced Output Eliminates
         DC-Blocking Capacitor and Mute Circuit
   Video section
      □ Integrated LPF
         SD: –40dB@27MHz
         HD: –36dB@74.25MHz ,–40dB@54MHz or 27MHz selectable
      □ 6dB Gain for Outputs
      □ 4ch 75ohm driver
         3ch for HD: Y/Pb/Pr
         1ch for CINCH: CVBS
   Power supply
      □ 3.3V+/−5%
      □ Low Power Standby Mode
   Package
      □ 28pin QFN (0.4mm pitch)



other parts : AK4712  AKD4712  
AK4712EN PDF
AKM
Asahi Kasei Microdevices
AK4712EN_ AK4712 Evaluation Board Rev.0

GENERAL DESCRIPTION
AKD4712 is an evaluation board for quickly evaluating the AK4712, a High Definition A/V cap-less line driver.
Evaluation requires audio/video analog analyzer/generator and a power supply.

FUNCTION
• RCA connectors for analog audio output
• XLR connectors for analog audio input
• RCA connectors for SD/HD video input/output
• USB connector for serial control interface


other parts : AKD4712-A  
AK4712EN_ PDF

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