NJW1157

NJW1157 8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR s GENERAL DESCRIPTION NJW1157 is an eight channel electronic volume IC. It includes Input selector, tone control, volume, mute, input selector gain control, volume output gain control and 5 REC outputs. It’s suitable for multi-channel audio equipments such as AV receivers and DVD receivers. These functions are controlled by three-wired serial data. s FEATURES q Operating Voltage q Three-Wired Serial Data Control q Input Selector (x 12) q REC Output (x 5) with Selector q Input Selector Gain Control q Volume Output Gain Control q Volume q Tone Control q Subwoofer output addition to L, R channel output q Subwoofer output ON/OFF control q Bi-CMOS Technology q Package Outline s BLOCK DIAGRAM RECB1R RECA1R RECA2R RECA3R RECA1L RECA2L RECA3L RECB1L LAIN RAIN CAIN LSAIN RSAIN LBAIN RBAIN SWAIN RECB2L RECB2R s PACKAGE OUTLINE NJW1157FC2 ±4.5 to ±7.5V Gain : 0/-3/-6/-9/-12dB Gain : 0/+3/+6/+9/+12/+15/+18dB 0 to -100dB/1dBstep, MUTE 0 to ±10dB/1dBstep QFP100 – C2 Multi-Channel Input A 2 Channel Input Supply Voltage µCOM Interface DCLA1 DCLA2 Volume L1IN R1IN L2IN R2IN L3IN R3IN L4IN R4IN L5IN R5IN L6IN R6IN L7IN R7IN L8IN R8IN L9IN R9IN L10IN R10IN L11IN R11IN L12IN SWBIN RBBIN LBBIN RBBIN LSBIN CBIN RBIN LBIN FRFR+ FLFL+ FIL1_R FIL2_R FIL3_R FIL4_R FIL1_L FIL2_L FIL3_L FIL4_L R12IN Amp Gain Att Gain Att Gain DCRA1 DCRA2 TONE Multi-channel TONE V+ GND VLATCH DATA CLOCK LOUT SW TSW SW ROUT COUT LSOUT RSOUT LBOUT RBOUT...