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NJW1194V
NJW1194 2-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR AND TONE CONTROL GENERAL DESCRIPTION PACKAGE OUTLINE The NJW1194 is a 2-channel electronic volume with4-in 1-out stereo audio selector and Tone Control. The NJW1194 performs low noise and low distortion characteristics with resistance ladder circuit. 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. FEATURES Operating Voltage 3-Wired Serial Control Low output noise Low THD Input Selector(X4) Volume Tone Control Channel Separation Zero Cross Detection Bi-CMOS Technology Package Outline NJW1194V ±4.5 to ±7.5V Chip Address Select Function -117dBVtyp. 0.0015%typ. (Vin=2Vrms, VOL=0dB) +31.5 to –95.0dB / 0.5dBstep, MUTE 0to ±10dB/1dBstep -120dBtyp. SSOP32 BLOCK DIAGRAM ADR0 ADR1 In A1 DATA V+ GND V- CLOCK LATCH Ach Tone Filter V- Bias Control Logic In A2 Zero Cross Detection In A3 In A4 Out A TONE In B1 In B2 In B3 OutB TONE In B4 Bch Tone Filter Ver.7.4 –1–
JRC
日本無線株式会社
日本
産業用および公共用無線通信システムを製造・販売しており、主要営業品目は、通信機器・海上機器・システム機器に大別される。半導体は通信関連デバイス。
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