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| NJW1195A 4-Channel Electronic Volume with Input Selector s GENERAL DESCRIPTION The NJW1195A is a 4-channel electronic volume with 4-in 2-out stereo audio selector. It performs low noise and low distortion characteristics with resistance ladder circuit. The NJW1195A is also available for 2-channel differential transmission electronic volume with 2-in 1-out stereo audio selector by a differential transmission select function. All of functions are controlled via three-wired serial bus. Selectable 4-Chip address is available for using four chips on same serial bus line. It's suitable for two-channel stereo system and or multi-channel audio system. At the volume attenuated, the NJW1195A improves low distortion compared with NJW1195. Furthermore, the NJW1195A supports both single power supply operation and dual power supply operation. s FEATURES q Operating Voltage q q q q q q q q q q q 3-Wired Serial Control Selectable 4-Chip Address Low Output Noise Low Distortion 4in 2out Stereo Signal Selector Volume Differential transmission select function Channel Separation Zero Cross Detection Bi-CMOS Technology Package Outline s PACKAGE OUTLINE NJW1195AV Dual power supply : 3.5 to 7.5V Single power supply : +7.0 to +15V Chip Address Select Function Available for using four chips on same serial bus line -118dBV typ. (1.26Vrms typ.) 0.0003% typ. at Vin=1Vrms (Differential transmission) +31.5 to -95dB / 0.5dB step, Mute -120dB typ. SSOP32 s BLOCK DIAGRAM In B1 10F + In B2 10F + In B3 10F + In B4 10F + Out1 B 100F + DIFF 100F + Out2 B ADR1 ADR0 V+ V+ 10F + 10F + + 100F 100F 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 Ref 5V VDD 17 +31.5dB to -95dB / 0.5dBs tep, Mute VOL1B +31.5dB to -95dB / 0.5dBstep, Mute VOL2B SEL1B SEL1A SEL2B SEL2A VOL2A +31.5dB to -95dB / 0.5dBstep, Mute Zero Cross Detection VOL1A +31.5dB to -95dB / 0.5dBstep, Mute Control Logic 1 10F + 2 10F + 3 10F + 4 10F + 5 100F 6 + 7 8 10F + 9 100F 10 10 + 11 11 12 12 10F + 13 13 + 14 15 16 In A1 In A2 In A3 In A4 Out1 A D_REF VOut2 A DATA CLOCK LATCH Ver. 0.1E for Web -1- NJW1195A s ABSOLUTE MAXIMUM RATING (Ta=25C) PARAMETER SYMBOL Power Supply Voltage Maximum Input Voltage Power Dissipation Operating Temperature Range Storage Temperature Range V+/VVIM PD Topr Tstg RATING +8/-8 V+/V800 NOTE: EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting UNIT V V mW C C -40 ~ +85 -40 ~ +125 s ELECTRICAL CHARACTERISTICS (Ta=25C, V+/V-=7V, RL=47k, VOL=0dB) PARAMETER SYMBOL TEST CONDITION MIN. x Power Supply Operating Voltage Supply Current 1 Supply Current 2 V+/VICC IEE No signal No signal 3.5 - TYP. MAX. UNIT 7.0 9 9 7.5 15 15 V mA mA x Input/Output Characteristics (Output) Maximum Output Voltage Voltage Gain 1 Voltage Gain 2 Voltage Gain Error 1 Voltage Gain Error 2 Maximum Attenuation Mute level Cross Talk 1 Cross Talk 2 Channel Separation 1 VOM GV1 GV2 GV1 GV2 ATT Mute CT1 CT2 CS1 f=1kHz,THD=1% VOL=0dB VIN=2Vrms, f=1kHz VOL=0dB VIN=100mVrms, f=1kHz VOL=+15dB VIN=2Vrms, f=1kHz VOL=0dB f=1kHz, VIN=2Vrms VOL=-60dB f=1kHz, VIN=2Vrms VOL=-95dB, A-weight f=1kHz, VIN=2Vrms VOL=Mute, A-weight f=1kHz, VIN =2Vrms,A-weight VOL=0dB, Rg=0 f=20kHz, VIN =2Vrms VOL=0dB, Rg=0 f=1kHz, VIN =2Vrms,A-weight VOL=0dB, Rg=0, Out1 vs. Out2 f=20kHz, VIN =2Vrms VOL=0dB, Rg=0, Out1 vs. Out2 f=1kHz, VIN =2Vrms,A-weight VOL=0dB, Rg=0, Out A vs. Out B f=20kHz, VIN =2Vrms VOL=0dB, Rg=0, Out A vs. Out B 3.6 -0.5 +14 -0.5 -1.0 4.2 0 +15 0 0 -95 -120 -120 -100 -120 0.5 +16 0.5 1.0 -90 Vrms dB dB dB dB dB dB dB dB dB Channel Separation 2 CS2 - -100 - dB Channel Separation 3 CS3 - -120 -90 dB Channel Separation 4 Input Impedance * CS4 RIN 12.0 -100 16.7 - dB k Select Channel Input Terminal * Input Impedance is reduced by half (9.1k typ.) when input selector 1 (SEL1) and input selector 2 (SEL2) chose the same input. -2- Ver. 0.1E for Web NJW1195A s ELECTRICAL CHARACTERISTICS (Ta=25C, V+/V-=7V, RL=47k, Volume=0dB) PARAMETER SYMBOL TEST CONDITION Volume=0dB, Rg=0, A-weight Volume=-95dB, Rg=0, A-weight 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=-24dB, BW=400Hz-30kHz f=10kHz, VIN =2Vrms, Volume=-24dB, BW=400Hz-30kHz f=1kHz, VIN =1Vrms,Volume=0dB, BW=400Hz-30kHz, Differential transmission f=10kHz, VIN =1Vrms,Volume=0dB, MIN. TYP. -118 (1.26) -118 (1.26) 0.001 0.001 0.001 0.001 0.001 0.0015 0.003 0.003 0.0003 MAX. -100 (10) 0.01 - UNIT dBV (Vrms) dBV (Vrms) % % % % % % % % % x Input/Output Characteristics (Output) Output Noise1 Output Noise2 Total Harmonic Distortion 1 Total Harmonic Distortion 2 Total Harmonic Distortion 3 Total Harmonic Distortion 4 Total Harmonic Distortion 5 Total Harmonic Distortion 6 Total Harmonic Distortion 7 Total Harmonic Distortion 8 Total Harmonic Distortion 9 VNO1 VNO2 T.H.D.1 T.H.D.2 T.H.D.3 T.H.D.4 T.H.D.5 T.H.D.6 T.H.D.7 T.H.D.8 T.H.D.9 - Total Harmonic Distortion 10 T.H.D.10 BW=400Hz-30kHz, Differential transmission - 0.0003 - % xLogic Control Characteristics High Level Input Voltage Low Level Input Voltage VIH VIL DATA, CLOCK, LATCH, ADR0, ADR1, DIFF Terminal Input DATA, CLOCK, LATCH, ADR0, ADR1, DIFF Terminal Input 2.5 0 V + V V 1.5 [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. Ver. 0.1E for Web -3- |
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