NJW1191

NJW1191 4-channel Electronic Volume with Input Selector !GENERAL DESCRIPTION !PACKAGE OUTLINE NJW1191 is 4-channel Electronic Volume with input selector. It includes main volume, balance and fader trim, 4 inputs selector, loudness and tone control. NJW1191 performs low noise and low distortion characteristics with resistance ladder type electrical volume. 2 All of internal status and variables are controlled by I C BUS interface. NJW1191V !FEATURES ●Operating Voltage ●I2C BUS Interface ●Low Output Noise ●Low Distortion ●4ch Input Selector ●Loudness ●Tone Control ●Main Volume ●Balance & Fader ●Bi-CMOS Technology ●Package Outline !BLOCK DIAGRAM www.DataSheet4U.com 7.5 to 13V -103dBVtyp 0.01%typ Bass / Treble SSOP32 Tone 0dB,+6dB ,+12dB,+18dB 0dB,+6dB ,+12dB,+18dB Tone Bias I2C Interface –1– NJW1191 !PIN FUNCTION 32 17 www.DataSheet4U.com 1 16 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SYMBOL GND VREF IN1R IN2R IN3R IN4R TAP1R TAP2R THCR TLCR DCCR TONEOUT_R VOL2IN_R FR_OUT RR_OUT SCL Ground FUNCTION Reference Voltage Rch Input 1 Rch Input 2 Rch Input 3 Rch Input 4 Rch Loudness High Freq. Time Constant Rch Loudness Low Freq. Time Constant Rch Tone Treble Time Constant Rch Tone Bass Time Constant Rch Tone Bass DC cut Capacitor Rch Tone Output Rch 2 Vol. Input Rch Front Vol. Output Rch Rear Vol. Output I2C Clock Input nd No. 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 SYMBOL SDA RL_OUT FL_OUT VOL2IN_L TONEOUT_L DCCL TLCL THCL TAP2L TAP1L IN4L IN3L IN2L IN1L N...