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NJW1157FC2 Datasheet(PDF) 1 Page - New Japan Radio |
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NJW1157FC2 Datasheet(HTML) 1 Page - New Japan Radio |
1 / 22 page NJW1157 – 1 – 8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR s s s s GENERAL DESCRIPTION s s s s PACKAGE OUTLINE 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 s s s FEATURES q Operating Voltage ±4.5 to ±7.5V q Three-Wired Serial Data Control q Input Selector (x 12) q REC Output (x 5) with Selector q Input Selector Gain Control Gain : 0/-3/-6/-9/-12dB q Volume Output Gain Control Gain : 0/+3/+6/+9/+12/+15/+18dB q Volume 0 to -100dB/1dBstep, MUTE q Tone Control 0 to ±10dB/1dBstep q Subwoofer output addition to L, R channel output q Subwoofer output ON/OFF control q Bi-CMOS Technology q Package Outline QFP100 – C2 s s s s BLOCK DIAGRAM NJW1157FC2 R1IN GND V+ V- LATCH DATA CLOCK Supply Voltage µCOM Interface Amp Gain LOUT ROUT COUT LSOUT RSOUT SWOUT L1IN L2IN L3IN L4IN L5IN L6IN L7IN R2IN R3IN R4IN R5IN R6IN R7IN L8IN R8IN CAIN LSAIN RSAIN LBAIN RBAIN SWAIN Att Gain Att Gain DCLA1 SW SW TONE TONE DCLA2 DCRA1 DCRA2 Multi-Channel Input B Input Selector Multi-channel Volume LBOUT RBOUT LAIN RAIN L9IN R9IN L10IN R10IN L11IN R11IN L12IN R12IN REC Out Selector SSW BSW TSW |
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