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NJW1157B Dataheets PDF



Part Number NJW1157B
Manufacturers JRC
Logo JRC
Description Electronic Volume
Datasheet NJW1157B DatasheetNJW1157B Datasheet (PDF)

NJW1157B www.DataSheet4U.com 8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR s GENERAL DESCRIPTION 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 q Three-Wired Serial Data Control q Inp.

  NJW1157B   NJW1157B


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NJW1157B www.DataSheet4U.com 8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR s GENERAL DESCRIPTION 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 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 -100dB/1dBstep, MUTE 0 to ±10dB/1dBstep QFP100 – C2 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 BSW SSW SWOUT Input Selector REC Out Selector Multi-Channel Input B –1– NJW1157B www.DataSheet4U.com s PIN FUNCTION 81 80 51 50 100 1 No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 SYMBOL LOUT ROUT COUT LSOUT RSOUT LBOUT RBOUT SWOUT DC_R1 DC_R2 FIL_BL FIL_TL DC_L1 DC_L2 FIL_BR FIL_TR GND GND V+ VREC_A1L REC_A1R REC_A2L REC_A2R REC_A3L REC_A3R REC_B1L REC_B1R REC_B2L REC_B2R DCCAP_L DCCAP_R DCCAP_C GND GND DCCAP_LS DCCAP_RS DCCAP_LB DCCAP_RB DCCAP_SW DCL_OUT DCL_IN DCR_OUT DCR_IN FL+ FLFR+ FRVDDOUT VSSOUT FUNCTION Lch output Rch output Cch output LSch output RSch output LBch output RBch output SWch output Rch Bass filter DC cut capacitor output terminal Rch Bass filter DC cut capacitor input terminal Lch Bass filter terminal Lch Treble filter terminal Lch Bass filter DC cut capacitor output terminal Lch Bass filter DC cut capacitor input terminal Rch Bass filter terminal Rch Treble filter terminal Ground Ground + Power supply voltage input - Power supply voltage input “Input selector” Lch REC output A1 “Input selector” Rch REC output A1 “Input selector” Lch REC output A2 “Input selector” Rch REC output A2 “Input selector” Lch REC output A3 “Input selector” Rch REC output A3 “Input selector” Lch REC output B1 “Input selector” Rch REC output B1 “Input selector” Lch REC output B2 “Input selector” Rch REC output B2 Switching noise rejection capacitor Switching noise rejection capacitor Switching noise rejection capacitor Ground Ground Switching noise rejection capacitor Switching noise rejection capacitor Switching noise rejection capacitor Switching noise rejection capacitor Switching noise rejection capacitor “Input selector” Lch output “Multi-channel selector” Lch input “Input selector” Rch output “Multi-channel selector” Rch input “Input selector gain control” Lch no-inverted output 31 30 No. 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 SYMBOL L1IN R1IN L2IN R2IN L3IN R3IN L4IN R4IN L5IN R5IN L6IN R6IN L7IN R7IN L8IN R8IN L9IN R9IN L10IN R10IN L11IN R11IN L12IN R12IN N.C. DGND DATA CLOCK LATCH LAIN RAIN CAIN LSAIN RSAIN LBAIN RBAIN SWAIN LBIN RBIN CBIN LSBIN RSBIN LBBIN RBBIN SWBIN GND GND VSSOUT2 VDDOUT2 TCCAP FUNCTION “Input selector” Lch input 1 “Input selector” Rch input 1 “Input selector” Lch input 2 “Input selector” Rch input 2 “Input selector” Lch input 3 “Input selector” Rch input 3 “Input selector” Lch input 4 “Input selector” Rch input 4 “Input selector” Lch input 5 “Input selector” Rch input 5 “Input selector” Lch input 6 “Input selector” Rch input 6 “Input selector” Lch input 7 “Input selector” Rch input 7 “Input selector” Lch input 8 “Input selector” Rch input 8 “Input selector” Lch input 9 “Input selector” Rch input 9 “Input selector” Lch input 10 “Input selector” Rch input 10 “Input selector” Lch input 11 “Input selector” Rch input 11 “Input selector” Lch input 12 “Input selector” Rch input 12 No Connect Digital Ground Control data signal input Clock signal input Latch signal input Multi-channel Lch input A Multi-channel Rch input A Multi-channel Cch input A Multi-channel LSch input A Multi-channel RSch input A Multi-channel LBch input A Multi-channel RBch input A Multi-channel SWch input A Multi-channel Lch input B Multi-channel Rch input B Multi-channel Cch input B Multi-channel LSch input .


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