NJW1298 NJW1298FU1 QFP100-U1 - Datasheet Archive

8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR GENERAL DESCRIPTION The NJW1298 is a 8-channel electronic volume with Input

NJW1298 NJW1298 8-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR GENERAL DESCRIPTION The NJW1298 NJW1298 is a 8-channel electronic volume with Input Selector. It includes 13-in 4-out stereo audio selector , REC Output and Multi-channel inputs. The NJW1298 NJW1298 performs low noise and low distortion characteristics with resistance ladder circuit. All of functions are controlled via three-wired serial bus. Selectable 2-Chip address is available for using two chips on same serial bus line. The NJW1298 NJW1298 is suitable for multi-channel audio system, such as AV amplifier, DVD receiver, and others. PACKAGE OUTLINE NJW1298FU1 NJW1298FU1 FEATURES Operating Voltage ±4.5 to ±7.5V 3-Wired Serial Control Chip Address Select Function 13-input 4-output stereo selector Multi-Channel input (8ch x 2) Input Selector Gain Control Gain : 0 to -21dB / 3dB step Volume +31.5 to 95dB / 0.5dB step, Mute SWch, Cch, LS/RSch output addition to L/R ch output LB/RBch output addition to LS/RS ch output Zero Cross Detection Bi-CMOS Technology Package Outline QFP100-U1 QFP100-U1 REC C REC A REC B BLOCK DIAGRAM + REC_A REC_B REC_C Main Stereo Lin (×13) Zero Cross Detection (8ch) REC_A REC_B REC_C Main Lout Multi-Rin Multi-Lin Input Selector Rout Cout Multi-Cin Lout for ADC LSout Multi-LSin Stereo Rin (×13) Input Selector Rout for ADC RSout Multi-RSin Input Selector Gain: 0 to -21dB / 3dB step LBout Multi-LBin RBout Multi-RBin Main REC_C REC_B REC_A SWout Multi-SWin Main REC_C REC_B REC_A Main Volume: +31.5 to -95dB/0.5dB step DataClock LatchADR Mute REC C REC A Ver 2.0 for web REC B + Control Logic 1 NJW1298 NJW1298 ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER SYMBOL Power Supply Voltage + RATING V /V Maximum Input Voltage PD V + VIM Power Dissipation UNIT +8/-8 - - V /V 2,500 V NOTE: EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting mW Operating Temperature Range Topr -40 to +75 °C Storage Temperature Range Tstg -40 to +150 °C ELECTRICAL CHARACTERISTICS (Ta=25°C, V+/V-=±7V, RL=47k, Volume=0dB) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT ±4.5 ±7.0 ±7.5 V Power Supply Operating Voltage V+/V- Supply Current 1 ICC No signal - 45 60 mA Supply Current 2 IEE No signal - 45 60 mA 3.6 4.2 - Vrms 3.6 - - Vrms -0.7 0 +0.7 dB +14 +15 +16 dB -0.5 0 0.5 dB - -120 - dB -1 0 1 dB -116 (1.58µ) -116 (1.58µ) -104 (6.3µ) -104 (6.3µ) dBV (Vrms) dBV (Vrms) Input/Output Characteristics (Output) Maximum Output Voltage VOM Maximum Input Voltage VIM Voltage Gain 1 GV1 Voltage Gain 2 GV2 Voltage Gain Error GV Maximum Attenuation ATT Attenuation Error ATT Output Noise1 VNO1 Output Noise2 VNO2 2 f=1kHz, THD=1% Volume=0dB f=1kHz, THD=1% Volume=-20dB VIN=2Vrms, f=1kHz Volume=0dB VIN=100mVrms, f=1kHz Volume=+15dB VIN=2Vrms, f=1kHz Volume=0dB f=1kHz, VIN=2Vrms Volume=Mute, A-weight f=1kHz, VIN=2Vrms Volume=-60dB Volume=0dB, Rg=0, A-weight Volume=-95dB, Rg=0, A-weight - Ver 2.0 for web NJW1298 NJW1298 ELECTRICAL CHARACTERISTICS (Ta=25°C, V+/V-=±7V, RL=47k, Volume=0dB) PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT - 0.0015 - % - 0.0015 - % - 0.0015 - % - 0.0025 - % - 0.0015 - % - 0.002 - % - 0.0025 0.02 % - 0.0025 - % - -120 - dB - -100 - dB - -110 -80 dB - -85 - dB -0.5 0 0.5 dB - -115 (1.79µ) - dBV (Vrms) - 0.0005 0.05 % - 0.0005 - % - -120 - dB -1.0 0 +1.0 dB -13.0 -12.0 -11.0 dB -22.0 -21.0 -20.0 dB 2.5 - V+ V 0 - 1.5 V Input/Output Characteristics (Output) Total Harmonic Distortion 1 T.H.D.1 Total Harmonic Distortion 2 T.H.D.2 Total Harmonic Distortion 3 T.H.D.3 Total Harmonic Distortion 4 T.H.D.4 Total Harmonic Distortion 5 T.H.D.5 Total Harmonic Distortion 6 T.H.D.6 Total Harmonic Distortion 7 T.H.D.7 Total Harmonic Distortion 8 T.H.D.8 Cross Talk 1 CT1 Cross Talk 2 CT2 Channel Separation 1 CS1 Channel Separation 2 CS2 f=1kHz,VIN=200mVrms, Volume=0dB,BW=400Hz-30kHz f=10kHz,VIN=200mVrms, Volume=0dB, BW=400Hz -30kHz f=1kHz, VIN =2Vrms, Volume=0dB, BW=400Hz -30kHz f=10kHz, VIN =2Vrms, Volume=0dB, BW=400Hz-30kHz f=1kHz, VIN =200mVrms, Volume=+15dB,BW=400Hz-30kHz f=10kHz, VIN =200mVrms, Volume=+15dB,BW=400Hz-30kHz f=1kHz, VIN =2Vrms, Volume=-18dB,BW=400Hz-30kHz f=10kHz, VIN =2Vrms, Volume=-18dB,BW=400Hz-30kHz f=1kHz,VIN=2Vrms,A-weight Volume=0dB, Rg=0 f=20kHz, VIN =2Vrms, Volume=0dB, Rg=0 f=1kHz, VIN =2Vrms,A-weight Volume=0dB, Rg=0 f=20kHz, VIN =2Vrms, Volume=0dB, Rg=0 Input/Output Characteristics (REC output) REC Out Voltage Gain REC Out Output Noise REC Out Total Harmonic Distortion 1 REC Out Total Harmonic Distortion 2 REC Out Maximum Attenuation GVREC VIN=2Vrms, f=1kHz VNOREC Rg=0, A-weight T.H.DREC1 T.H.DREC2 ATTREC f=1kHz, VIN =2Vrms, BW=400Hz-30kHz f=1kHz, VIN =1Vrms, BW=400Hz-30kHz f=1kHz, VIN=2Vrms REC Out=Mute, A-weight Input Selector Gain Control Characteristics Input Selector Gain Control Voltage Gain 1 Input Selector Gain Control Voltage Gain 2 Input Selector Gain Control Voltage Gain 3 GVINC1 GVINC2 GVINC3 f=1kHz, VIN =2Vrms, Input Selector Gain = 0dB f=1kHz, VIN =2Vrms, Input Selector Gain = -12dB f=1kHz, VIN =2Vrms, Input Selector Gain = -21dB Logic Control Characteristics High Level Input Voltage VIH Low Level Input Voltage VIL Ver 2.0 fer web DATA, CLOCK, LATCH, ADR, MUTE Terminal Input DATA, CLOCK, LATCH, ADR, MUTE Terminal Input 3 NJW1298 NJW1298 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. 4 Ver 2.0 for web