4-Channel Electronic Volume with Input Selector

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  • Description

    The NJW1195A is a 4-channel electronic volume with 4-in 2-out stereo audio selector. It performs low noise and low distortion characteristics with resistance ladder circuit.The NJW1195A is also available for 2-channel differential transmission electronic volume with 2-in 1-out stereo audio selector by a differential transmission select function.All of functions are controlled via three-wired serial bus.Selectable 4-Chip address is available for using four chips on same serial bus line.Its suitable for two-channel stereo system and or multi-channel audio system.At the volume attenuated, the NJW1195A improves low distortion compared with NJW1195. Furthermore, the NJW1195A supports both single power supply operation and dual power supply operation.

  • Spec
    Supply Voltage ±3.5 to ±7.5V / 7 to 15V
    Channel 4ch.
    Volume Range +31.5 to -95dB / 0.5dB step, MUTE
    Input Selector Stereo 4-input/2-Output
    (Stereo 4-input/1-Output)
    (Differential 2-input/1-Output)
    Control Three-wired Serial
    Function Zero Cross Detection
    Differential transmission select function
    Low Output Noise -118dBV typ.(1.26µVrms typ.)
    Low Destortion 0.0003% typ. at Vin=1Vrms (Differential transmission)
    Wide Operating Temperature -40°C to 85°C
    Junction Temp. 125°C
    Package SSOP32
    Note 1 Selectable 4-Chip Address (Available for using four chips on same serial bus line)
  • Technical
  • Quality &
    • Refer to the datasheets for the details on the product.
    • The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.

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Functional Description

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