4-Channel Electronic Volume With Input Selector

Manufacturer's part number :


Manufacturer New Japan Radio

New Japan Radio

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. It's 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.

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  • Operating Voltage (Dual power supply : ±3.5 to ±7.5V
  • Single power supply : +7.0 to +15V)
  • 3-Wired Serial Control (Chip Address Select Function)
  • Selectable 4-Chip Address (Available for using four chips on same serial bus line)
  • Low Output Noise (-118dBV typ.(1.26µVrms typ.))
  • Low Distortion (0.0003% typ. at Vin=1Vrms (Differential transmission))
  • 4in 2out Stereo Signal Selector
  • Differential transmission select function
  • Volume (+31.5 to -95dB / 0.5dB step, Mute)
  • Channel Separation (-120dB typ.)
  • Zero Cross Detection
  • Bi-CMOS Technology
  • Package Outline (SSOP32)
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Operating Temperature(°C) -40 to 85  
Package SSOP-32