NJW1194V-TE1 Nisshinbo

ADR0 ADR1 DATA CLOCK LATCH NJW1194 2-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR AND TONE CONTROL Q GENERAL DESCRIPTION Q 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 NJW1194V same serial bus line. Its suitable for two-channel stereo system and or multi-channel audio system. Q FEATURES O Operating Voltage 4.5 to 7.5V O 3-Wired Serial Control Chip Address Select Function O Low output noise -117dBVtyp. O Low THD 0.0015%typ. (Vin=2Vrms, VOL=0dB) O Input Selector(X4) O Volume +31.5 to 95.0dB / 0.5dBstep, MUTE O Tone Control 0to 10dB/1dBstep O Channel Separation -120dBtyp. O Zero Cross Detection O Bi-CMOS Technology O Package Outline SSOP32 Q BLOCK DIAGRAM Ach Tone Filter V+ GND V- V- Bias Control Logic In A1 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 NJW1194 Q PIN FUNCTION 32 17 116 No. SYMBOL FUNCTION No. SYMBOL FUNCTION 1 InA1 Ach Input 1 17 Tone Ba2b Bch Bass Filter Terminal 2 2 InA2 Ach Input 2 18 Tone Ba1b Bch Bass Filter Terminal 1 3 InA3 Ach Input 3 19 Tone Tr1b Bch Treble Filter Terminal 1 4 InA4 Ach Input 4 20 GND Ground 5 GND Ground 21 V - Power Supply (-) Switching noise rejection capacitor 6 DCCAP A 22 V+ Power Supply (+) (Ach) 7 GND Ground 23 ADR0 Chip address setting terminal 0 8 OutA Ach Output 24 ADR1 Chip address setting terminal 1 9 VDDOUT Internal Digital Power Supply output 25 OutB Bch Output 10 DATA Control data signal input 26 GND Ground Switching noise rejection capacitor 11 CLOCK Clock signal input 27 DCCAP B (Bch) 12 LATCH Latch signal input 28 GND Ground 13 GND Ground 29 InB4 Bch Input 4 14 Tone Tr1a Ach Treble Filter Terminal 1 30 InB3 Bch Input 3 15 Tone Ba1a Ach Bass Filter Terminal 1 31 InB2 Bch Input 2 16 Tone Ba2a Ach Bass Filter Terminal 2 32 InB1 Bch Input 1 Ver.7.4 2