NJW1157B - JRC

NJW1157B Electronic Volume

NJW1157B 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.

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 Multi-Channel Input A 2 Channel Input RECB1R RECA1R RECA2R RECA3R RECA2L RECA3L RECB1L LAIN RAIN CAIN LSAIN RSAIN LBAIN RBAIN SWAIN RECA1L RECB2L RECB2R s PACKAGE OUTLINE NJW1157BFC2 ±4.5 to ±7.5V Gain : 0/-3/-6/-9/-12dB Gain : 0/+3/+6/+9/+12/+15/+18dB 0 to -100d.