NJW1151 6-CHANNEL ELECTRONIC VOLUME ■ GENERAL DESCRIPTION The NJW1151 is a 6-CHANNEL ELECTRONIC VOLUME, which also includes tone control, balance and trim level control. The NJW1151 is suitable for multi-channel audio system, such as AV amplifier, mini stereo component, speaker system, and others. 2 All of internal status and variables are controlled by I C BUS interface. ■ PACKAGE OUTLINE NJW1151M ■ FEATURES ● Operating Voltage 2 ● I C BUS Interface ● 6-Chnnel Master Volume ● Balance control for L, R-ch ● Trim Level Control for C, SL, SR, SW-ch ● Independent Tone Control (Bass, Treble) ● Bi-CMOS Technology ● Package Outline +8.0 to +15.0V 0 to –79dB, MUTE 0 to –30dB, MUTE 0 to –20dB for L, R-ch SDMP30 ■ BLOCK DIAGRAM Lch TONE in Rch TONE in Lch in Balance Control Rch in C-ch in Lch TONE out Tone Control Bass/Treble Rch TONE out Master Volume Lch out Rch out C-ch out Level Trim SL-ch out SL-ch in SR-ch out SR-ch in SW-ch out SW-ch in Power Supply +8 to +15V 2 I C BUS Interface -1- NJW1151 ■ PIN FUNCTION No. 1 SYMBOL VREF 2 V+ 3 VREFC 4 RTIN 5 RTOUT 6 RTC 7 RBC1 8 RBC2 9 RBC3 10 30 16 1 15 FUNCTION Reference voltage No. 16 SYMBOL SCL Power supply voltage 17 SDA Reference voltage stabilization capacitor 18 SWOUT Volume Sub Woofer channel output Tone control Right channel input 19 SROUT Volume Surround Right channel output Tone control Right channel output 20 SLOUT 21 COUT 22 ROUT Volume Right channel output 23 LOUT Volume Left channel output 24 LBC3 LIN Tone control Right channel Treble filter capacitor Tone control Right channel Bass filter capacitor Tone control Right channel Bass filter capacitor Tone control Right channel Bass DC cut capacitor Volume Left channel input Volume Surround Left channel volume output Volume Center channel output 25 LBC2 11 RIN Volume Right channel input 26 LBC1 12 CIN Volume Center channel input 27 LTC 13 SLIN Volume Surround Left channel input 28 LTOUT Tone control Left channel Bass DC cut capacitor Tone control Left channel Bass filter capacitor Tone control Left channel Bass filter capacitor Tone control Left channel Treble filter capacitor Tone control Left channel output 14 SRIN Volume Surround Right channel input 29 LTIN Tone control Left channel input 15 SWIN Volume Sub Woofer channel input 30 GND Ground (IC substrate) -2- FUNCTION 2 I C bus clock input 2 I C bus data input NJW1151 ■ ABSOLUTE MAXIMUM RATING (Ta=25°°C) PARAMETER SYMBOL RATING UNIT + +15 V Maximum Input Voltage VIM +(✴) V V Power Dissipation PD 700 mW Operating Temperature Range Topr -40 to +85 °C Storage Temperature Range Tstg -40 to +125 °C Supply Voltage V (✴) For the maximum input voltage less than 0 to V+ ■ ELECTRICAL CHARACTERISTICS ( Ta=25°°C,V =14V, VDD=5V) PARAMETER SYMBOL TEST CONDITION + MIN. TYP. MAX. UNIT 8.0 14.0 15.0 V - 10 30 mA -0.5 0 0.5 dB -0.5 0 0.5 dB - -79 - dB - -90 - dB -1 0 1 dB 3.0 4.0 - Vrms - -110 (3.2µ) -100 (10µ) dBV (Vrms) - 0.005 0.05 % - -90 -80 dB 8 10 12 dB -12 -10 -8 dB 8 10 12 dB -12 -10 -8 dB ♦Power Supply + Operating Voltage V Supply Current ICC No Signal ♦Input/Output Characteristics Voltage Gain GV Voltage Gain Error ∆GV Maximum Attenuation 1 ATT1 Maximum Attenuation 2 ATT2 Attenuation Error ∆ATT Maximum Output Voltage VOM Output Noise VNO Total Harmonic Distortion Channel Separation T.H.D. CS VIN=1Vrms, f=1kHz Master=0dB, Balance=0dB Trimmer=0dB VIN=1Vrms, f=1kHz Master=0dB f=1kHz, VIN=1Vrms Master=-79dB f=1kHz, VIN=1Vrms Mute f=1kHz, VIN=1Vrms Master=-50dB Trimmer=-10dB f=1kHz,THD=1% Master=0dB Master=0dB, Rg=0,A-weight f=1kHz,Vo=1Vrms, Master=0dB,Trimmer=0dB f=1kHz,Vo=1Vrms Master=0dB,A-weight ♦Tone Control Characteristics Treble Boost Gain1 HFBST Treble Boost Gain2 HFCUT Bass Boost Gain1 LFBST Bass Boost Gain2 LFCUT Vo=1Vrms f=10kHz Treble=10dB Vo=1Vrms f=10kHz Treble=-10dB Vo=1Vrms f=50Hz Bass=10dB Vo=1Vrms f=50Hz Bass=-10dB - 3 - NJW1151 2 ■ I C BUS Block CHARACTERISTICS (SDA, SCL) PARAMETER SYMBOL MIN. TYP. MAX. UNIT High Level Input Voltage VIH 3.0 - 5.0 V Low Level Input Voltage VIL 0 - 1.5 V High Level Input Current IIH - - 10 µA Low Level Input Current IIL - - 10 µA Low Level Output Voltage (3mA at SDA pin) VOL 0 - 0.4 V Maximum Output Current IOL -3.0 - - mA Maximum Clock Frequency fSCL - - 100 kHz Data Change Minimum Waiting Time tBUF 4.7 - - µs tHD:STA 4.0 - - µs Low Level Clock Pulse Width tLOW 4.7 - - µs High Level Clock Pulse Width THIGH 4.0 - - µs Minimum Start Preparation Waiting Time tSU:STA 4.7 - - µs Minimum Data Hold Time tHD:DAT 0 - 3.45 µs Minimum Data Preparation Time tSU:DAT 250 - - ns Rise Time tR - - 1.0 µs Fall Time tF - - 300 ns tSU:STO 4.7 - - µs Data Transfer Start Minimum Waiting Time Minimum Stop Preparation Waiting Time 2 I C BUS Load Condition: Pull up resistance 4kΩ (Connected to +5V) Load capacitance 200pF (Connected to GND) SDA tR tBU tF tHD:ST SCL tHD:ST P -4- S tLOW tHD:DA tHIGH tSU:ST tSU:DA Sr tSU:ST P NJW1151 ■TERMINAL DESCRIPTION No. SYMBOL FUNCTION EQUIVALENT CIRCUIT TERMINAL VOLTAGE V+ 1 VREF Reference voltage V+ / 2 GND 2 V+ + Power supply voltage V GND V+ 50K 3 VREFC Reference voltage stabilization capacitor V+ / 2 50K GND V+ 4 29 RTIN LTIN Tone control Right channel input Left channel input V+ / 2 300 50K GND VREF - 5 - NJW1151 ■TERMINAL DESCRIPTION No. SYMBOL FUNCTION EQUIVALENT CIRCUIT TERMINAL VOLTAGE V+ 30 5 28 RTOUT LTOUT Tone control Right channel output Left channel output V+ / 2 GND 10K V+ 6 RTC 27 LTC Tone control Right channel Treble filter capacitor Left channel Treble filter capacitor 4K V+ / 2 30 GND V+ 7 RBC1 26 LBC1 Tone control Right channel Bass filter capacitor Left channel Bass filter capacitor 30 V+ / 2 GND V+ 8 RBC2 25 LBC2 Tone control Right channel Bass filter capacitor Left channel Bass filter capacitor 30 V+ / 2 30 GND -6- 2K 2K NJW1151 ■TERMINAL DESCRIPTION No. SYMBOL FUNCTION EQUIVALENT CIRCUIT TERMINAL VOLTAGE V+ 9 RBC3 24 LBC3 Tone control Right channel Bass DC cut capacitor Left channel Bass DC cut capacitor 2K V+ / 2 30 GND 10 11 12 13 14 15 LIN RIN CIN SLIN SRIN SWIN V+ Volume Left channel input Right channel input Center channel input Surround Left channel input Surround Right channel input Sub Woofer channel input V+ / 2 300 50K GND VREF VDD Rp 300 16 SCL 2 I C bus clock input 10K GND ( Rp ; External pull up resistor ) VDD Rp 300 17 SDA 2 I C bus data input 10K GND 10K GND ( Rp ; External pull up resistor ) - 7 - NJW1151 ■TERMINAL DESCRIPTION No. SYMBOL FUNCTION EQUIVALENT CIRCUIT TERMINAL VOLTAGE V+ 18 19 20 21 22 23 SWOUT SROUT SLOUT COUT ROUT LOUT Volume Left channel output Right channel output Center channel output Surround Left channel output Surround Right channel output Sub Woofer channel output 300 V+ / 2 GND -8- NJW1151 ■APPLICATION CIRCUIT 100µF VREF GND +14V 10µF 100µF V+ LTIN TONE CONTROL 4.7µF LTOUT VREFC LTC RTIN TONE CONTROL 10 nF 4.7µF 10 nF 680nF RTOUT LBC1 RTC LBC2 RBC1 LBC3 RBC2 LOUT 10µF RBC3 ROUT 10µF LIN BALANCE COUT RIN TRIMMER SLOUT CIN TRIMMER SROUT SLIN TRIMMER SWOUT SRIN TRIMMER SDA 680nF 4.7µF 4.7µF 4.7µF 4.7µF 4.7µF SWIN I2C BUS INTERFACE SCL - 9 - NJW1151 ■ Definition of cut-off frequency for Tone Control Cut-off frequency for Tone Control is adjustable with changing the capacitor C1, C2 in below circuit. See the next function for the cut-off frequency. 4.7uF LTIN/RTIN LTOUT/RTOUT Tone Control EX) LBC1/RBC1 LBC2/RBC2 C2 LBC3/RBC3 10uF C1 =10uF, C2 = 680nF Cut-off frequency for Treble = 3.9kHz Cut-off frequency for Bass = 238Hz 1) TREBLE =+/-10dB 39.2 ∗10 − 6 fc = C1 - 10 - C1 LTC/RTC 2) BASS =+/-10dB 161.7 ∗10 − 6 fc = C2 NJW1151 2 ■ DEFINITION OF I C REGISTER 2 ● I C BUS FORMAT S: Starting Term A: Acknowledge Bit MSB S LSB Slave Address 1bit 8bit P: Ending Term MSB LSB A Select Address 1bit 8bit MSB LSB A 1bit Data A P 8bit 1bit 1bit ● SLAVE ADDRESS MSB LSB 1 0 0 0 1 0 0 R/W D3 D2 R/W=0: Receive Only R/W=1: No Output Data ● CONTROL REGISTER TABLE Select Address 00H BIT D7 D6 D5 D4 * D1 Master Volume 01H * Left channel Balance 02H * Right channel Balance 03H * Center Channel Trimmer 04H * SL Channel Trimmer 05H * SR Channel Trimmer 06H * SW Channel Trimmer 07H Tone (Treble) 08H D0 Tone (Bass) * MUTE * : Don’t care. On Power up, the master volume mute is activated. ● CONTROL REGISTER DEFAULT VALUE Select Address BIT D7 D6 D5 D4 D3 D2 D1 D0 00H 0 1 0 1 0 0 0 0 01H 0 0 0 0 0 0 0 0 02H 0 0 0 0 0 0 0 0 03H 0 0 0 0 1 0 1 0 04H 0 0 0 0 1 0 1 0 05H 0 0 0 0 1 0 1 0 06H 0 0 0 0 1 0 1 0 07H 0 0 0 0 0 0 0 0 08H 0 0 0 0 0 0 0 0 - 11 - NJW1151 ● CONTROL COMMAND TABLE Select Address BIT D7 D6 D5 D4 D3 D2 D1 D0 VOL 00H 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 * : : 1 0 0 1 1 0 1 0 1 1 1 0 0 0 L-BAL 01H * 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 : 1 1 1 R-BAL 02H * 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 1 1 : 1 1 1 C TRIM 03H * 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 : 1 0 1 SL TRIM 04H * 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 : 1 0 1 SR TRIM 05H * 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 : 1 0 1 SW TRIM 06H * 0 0 0 0 0 0 0 0 0 1 0 0 0 1 0 0 0 : 1 - 12 - 0 1 REMARKS VOL : Volume control for all channel (1dB/step) Ex.) “0000000”= 0dB “0000001”=-1dB “0000010”=- 2dB . “1001111”=-79dB “1010000”=MUTE:Default Value Maximum Attenuation : Master Volume :–79dB Trimmer -20dB Minimum Attenuation : Master Volume 0dB Trimmer 0dB L-BAL : Balance control for Left channel (1dB/step) Ex.) “00000”=0dB “00001”=-1dB : : “11110”=-30dB “11111”=MUTE R-BAL : Balance control for Right channel (1dB/step) Ex.) “00000”=0dB “00001”=-1dB : : “11110”=-30dB “11111”= MUTE C TRIM :Center Channel Trimmer Control Ex.) “00000”=0dB “00001”=-1dB “00010”=-2dB : “10100”=-20dB “00001010”=-10dB Default Value SL TRIM :SL Channel Trimmer Control Ex.) “00000”=0dB “00001”=-1dB “00010”=-2dB : “10100”=-20dB “00001010”=-10dB Default Value SR TRIM :SR Channel Trimmer Control Ex.) “00000”=0dB “00001”=-1dB “00010”=-2dB : “10100”=-20dB “00001010”=-10dB Default Value SW TRIM :SW Channel Trimmer Control Ex.) “00000”=0dB “00001”=-1dB “00010”=-2dB : “10100”=-20dB “00001010”=-10dB Default Value NJW1151 ● CONTROL COMMAND TABLE Select Address BIT D7 D6 D5 D4 D3 D2 TREBLE D1 BASS 1 1 0 1 1 1 0 1 1 1 0 0 1 1 0 0 : 07H 1 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 1 : 0 1 0 0 0 0 1 0 1 0 MUTE 08H 0 * 1 REMARKS D0 TONE CONTROL Ex.) “11011101”=+10dB “11001100”=+8dB : “10001000”=0dB “00000000”=0dB : “01000111”=-8dB “01010101”=-10dB MUTE CONTROL Ex.) “0”=OFF “1”=MUTE D5=L ch,D4=R ch,D3=C ch,D2=SL ch,D1=SR ch,D0=SW ch - 13 - NJW1151 ■ TYPICAL CHARACTERISTICS Volume Attenuation Level vs. Setting Level V+=14V f=1kHz Ta=25°C Operating Current vs. Supply Voltage Ta=25°C Setting Level [dB] -10 0 -10 -20 -30 -40 -50 -60 -70 -80 -79 -90 0 15.0 0 -10 Attenuation Level [dB] Operating Current [mA] 12.0 9.0 ICC 6.0 L,C,R,SL,S R,SWch -20 -30 -40 -50 -60 -70 -80 3.0 Mute -90 -100 0.0 0 3 6 9 12 15 Supply Voltage [V] Tone Control Voltage Gain vs Frequency V+=14V Vin=1Vrms Ta=25°C 10 15 +10dB +8dB +6dB Bass Treble +10dB +4dB +8dB Voltage Gain [dB] +2dB 5 +4dB +2dB 0dB 0 -2dB -4dB -5 0.1 20kHz -6dB -2dB -8dB -4dB -10 1 +6dB 0dB THD+N [%] 10 Volume THD+N vs. Input Level Vin=1Vrms V+=14V Ta=25°C 0.01 -10dB -6dB -8dB -10dB -15 0.01 1.E+01 1.E+02 0.1 1kHz 1.E+03 1 1.E+04 10 0.001 -60 100 1.E+05 -40 Frequency [kHz] 0 20 Input Level [dBV] Volume THD+N vs. Input Level V+=14V Ta=25°C 10 10 1 1 THD+N [%] THD+N [%] -20 20Hz ATT=-10dB 0.1 Tone Control THD+N vs. Input Level (ATT=0dB;Flat) Vin=1Vrms V+=14V Ta=25°C 20kHz 0.1 ATT=-5dB 0.01 0.01 1kHz ATT=0dB 0.001 -60 -40 -20 Input Level [dBV] - 14 - 20Hz 0 20 0.001 -60 -40 -20 Input Level [dBV] 0 20 NJW1151 ■ TYPICAL CHARACTERISTICS Operating Current vs. Ambient Temperature V+=14V Tone Control THD+N vs. Frequency (ATT=0dB;Flat) V+=14V Ta=25°C 16.0 10 14.0 Operating Current [mA] 1 THD+N [%] 2Vrms 0.1Vrms 0.1 ｒ 1Vrms 0.01 12.0 10.0 8.0 6.0 4.0 2.0 0.001 1.E+01 0.01 0.0 1.E+02 0.1 1.E+03 1 1.E+04 10 1.E+05 100 -75 -50 -25 0 25 50 75 100 125 150 Frequency [kHz] Ambient Temperature [°C] Volume Voltage Gain vs. Ambient Temperature (Master Volume=0dB) V+=14V Vin=1Vrms f=1kHz Volume Attenuation Level vs. Ambient Temperature (Master Volume=-79dB) V+=14V Vin=1Vrms f=1kHz -50 0.5 0.4 -60 0.2 ∆ GV 0.1 0.0 -0.1 -0.2 GV_L,R,C,S L,SR,SW -0.3 Attenuation Level [dB] Voltage Gain [dB] 0.3 -70 -80 ATT_L,R,C, SL,SR,SW -90 -0.4 -100 -0.5 -75 -50 -25 0 25 50 -75 -50 -25 75 100 125 150 0 25 50 75 100 125 150 Ambient Temperature [°C] Ambient Temperature [°C] Volume Attenuation Level vs. Ambient Temperature (Master Volume=Mute) V+=14V Vin=1Vrms f=1kHz -50 Volume Attenuation Level vs. Ambient Temperature (Master=-50dB, Trimmer=-10dB) V+=14V Vin=1Vrms f=1kHz -50 -60 -80 -90 ATT_L,R,C, SL,SR,SW -100 Attenuation Level [dB] Attenuation Level [dB] -60 -70 ATT_L,R,C, SL,SR,SW -70 -80 -90 -110 -100 -120 -75 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [°C] -75 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [°C] - 15 - NJW1151 ■ TYPICAL CHARACTERISTICS Volume Output Noise Voltage vs. Ambient Temperature V+=14V A-Weighted Volume Maximum Output Voltage v s. Ambient Temperature V+=14V f=1kHz -60 -70 8 VOM_L,R,C, SL,SR,SW 6 4 Output Noise Voltage [dBV] Maximum Output Voltage [Vrms] 10 2 -80 -90 Vno_L,R,C, SL,SR,SW -100 -110 -120 0 -75 -50 -25 0 25 50 75 100 125 150 -75 -50 -25 Ambient Temperature [°C] 0 25 50 75 100 125 150 Ambient Temperature [°C] Volume THD+N vs. Ambient Temperature V+=14V Vin=1Vrms f=1kHz Tone Control Voltage Gain vs. Ambient Temperature V+=14V Vin=1Vrms f=10kHz 15 10 10 THD_L,R,C,S L,SR,SW 0.1 Voltage Gain [dB] THD+N [%] 1 5 TREBLE+10dB 0 -5 TREBLE-10dB 0.01 -10 0.001 -75 -50 -25 0 25 50 -15 -75 -50 -25 75 100 125 150 0 25 50 75 100 125 150 Ambient Temperature [°C] Ambient Temperature [°C] Tone Control Voltage Gain vs. Ambient Temperature V+=14V Vin=1Vrms f=50Hz Volume THD+N vs. Input Voltage (Master Volume=0dB) V+=14V 15 10 10 BASS+10dB THD+N [%] Voltage Gain [dB] 1 5 0 -5 0.1 BASS-10dB Ta＝-40°C 0.01 -10 Ta=25°C Ta=85°C -15 -75 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [°C] - 16 - 0.001 -60 -40 -20 Input Voltage [dBV] 0 20 NJW1151 ■ TYPICAL CHARACTERISTICS 10 Tone Control THD+N vs. Input Voltage (ATT=0dB;Flat) V+=14V THD+N [%] 1 0.1 0.01 Ta=85°C Ta=25°C Ta=-40°C 0.001 -60 -40 -20 0 20 Input Voltage [dBV] [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. - 17 -