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.

FEATURES
● Operating Voltage ±4.5 to ±7.5V
● Three-Wired Serial Data Control
● Input Selector (x 12)
● REC Output (x 5) with Selector
● Input Selector Gain Control Gain : 0/-3/-6/-9/-12dB
● Volume Output Gain Control Gain : 0/+3/+6/+9/+12/+15/+18dB
● Volume 0 to -100dB/1dBstep, MUTE
● Tone Control 0 to ±10dB/1dBstep
● Subwoofer output addition to L, R channel output
● Subwoofer output ON/OFF control
● Bi-CMOS Technology
● Package Outline QFP100 – C2