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NJW1151
6-CHANNEL ELECTRONIC VOLUME
I 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. I FEATURES G Operating Voltage 2 G I C BUS Interface G 6-Chnnel Master Volume G Balance control for L, R-ch G Trim Level Control for C, SL, SR, SW-ch G Independent Tone Control (Bass, Treble) G Bi-CMOS Technology G Package Outline I BLOCK DIAGRAM I PACKAGE OUTLINE
NJW1151M +8.0 to +15.0V 0 to -79dB, MUTE 0 to -30dB, MUTE 0 to -20dB for L, R-ch SDMP30
Lch TONE in Rch TONE in
Tone Control Bass/Treble
Lch TONE out Rch TONE out
Lch in Rch in
Balance Control
Master Volume
Lch out Rch out
C-ch in SL-ch in SR-ch in SW-ch in
C-ch out
Level Trim
SL-ch out SR-ch out SW-ch out
Power Supply +8 to +15V
I C BUS Interface
2
-1-
NJW1151
I PIN FUNCTION
30
16
1
15
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
SYMBOL VREF V+ VREFC RTIN RTOUT RTC RBC1 RBC2 RBC3 LIN RIN CIN SLIN SRIN SWIN
FUNCTION Reference voltage Power supply voltage Reference voltage stabilization capacitor Tone control Right channel input Tone control Right channel output 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 Right channel input Volume Center channel input Volume Surround Left channel input Volume Surround Right channel input Volume Sub Woofer channel input
No. 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
SYMBOL SCL SDA SWOUT SROUT SLOUT COUT ROUT LOUT LBC3 LBC2 LBC1 LTC LTOUT LTIN GND
FUNCTION 2 I C bus clock input I C bus data input Volume Sub Woofer channel output Volume Surround Right channel output Volume Surround Left channel volume output Volume Center channel output Volume Right channel output Volume Left channel output 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 Tone control Left channel input Ground (IC substrate)
2
-2-
NJW1151
I ABSOLUTE MAXIMUM RATING (Ta=25C) PARAMETER SYMBOL Supply Voltage Maximum Input Voltage Power Dissipation Operating Temperature Range Storage Temperature Range V
+
RATING +15 V
+()
UNIT V V mW C C
VIM PD Topr Tstg
+
700 -40 to +85 -40 to +125
() For the maximum input voltage less than 0 to V+
I ELECTRICAL CHARACTERISTICS ( Ta=25C,V =14V, VDD=5V) PARAMETER SYMBOL TEST CONDITION Power Supply Operating Voltage Supply Current Input/Output Characteristics Voltage Gain Voltage Gain Error Maximum Attenuation 1 Maximum Attenuation 2 Attenuation Error Maximum Output Voltage Output Noise Total Harmonic Distortion Channel Separation Tone Control Characteristics Treble Boost Gain1 Treble Boost Gain2 Bass Boost Gain1 Bass Boost Gain2 HFBST HFCUT LFBST 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 GV GV ATT1 ATT2 ATT VOM VNO 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 V
+
MIN. 8.0
TYP. 14.0 10
MAX. 15.0 30
UNIT V mA
ICC
No Signal
-
-0.5 -0.5 -1 3.0 -
0 0 -79 -90 0 4.0 -110 (3.2) 0.005 -90
0.5 0.5 1 -100 (10) 0.05 -80
dB dB dB dB dB Vrms dBV (Vrms) % dB
8 -12 8 -12
10 -10 10 -10
12 -8 12 -8
dB dB dB dB
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NJW1151
I I C BUS Block CHARACTERISTICS (SDA, SCL) PARAMETER High Level Input Voltage Low Level Input Voltage High Level Input Current Low Level Input Current Low Level Output Voltage (3mA at SDA pin) Maximum Output Current Maximum Clock Frequency Data Change Minimum Waiting Time Data Transfer Start Minimum Waiting Time Low Level Clock Pulse Width High Level Clock Pulse Width Minimum Start Preparation Waiting Time Minimum Data Hold Time Minimum Data Preparation Time Rise Time Fall Time Minimum Stop Preparation Waiting Time
2 2
SYMBOL VIH VIL IIH IIL VOL IOL fSCL tBUF tHD:STA tLOW THIGH tSU:STA tHD:DAT tSU:DAT tR tF tSU:STO
MIN. 3.0 0 0 -3.0 4.7 4.0 4.7 4.0 4.7 5.0 250 4.7
TYP. -
MAX. 5.0 1.5 10 10 0.4 100 1.0 300 -
UNIT V V A A V mA kHz s s s s s s ns s ns s
I C BUS Load Condition: Pull up resistance 4k (Connected to +5V) Load capacitance 200pF (Connected to GND)
SDA
tBU
tR
tF
tHD:ST
SCL
tHD:ST P S
tLOW
tHD:DA
tHIGH
tSU:DA Sr
tSU:ST
tSU:ST P
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NJW1151
ITERMINAL DESCRIPTION No. SYMBOL FUNCTION EQUIVALENT CIRCUIT
TERMINAL VOLTAGE
V+
1
VREF
Reference voltage
V+ / 2
GND
2
V+
Power supply voltage
GND
V
+
V+ 50K
3
VREFC
Reference voltage stabilization capacitor
GND
V+ / 2
50K
V+
4 29
RTIN LTIN
Tone control Right channel input Left channel input
300 50K GND VREF
V+ / 2
-5-
NJW1151
ITERMINAL 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 27
RTC LTC
Tone control Right channel Treble filter capacitor Left channel Treble filter capacitor
4K 30
V+ / 2
GND
V+
7 26
RBC1 LBC1
Tone control Right channel Bass filter capacitor Left channel Bass filter capacitor
30
V+ / 2
GND
V+
8 25
RBC2 LBC2
Tone control Right channel Bass filter capacitor Left channel Bass filter capacitor
GND
30
2K
V+ / 2
30 2K
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NJW1151
ITERMINAL DESCRIPTION No. SYMBOL FUNCTION EQUIVALENT CIRCUIT
TERMINAL VOLTAGE
V+
9 24
RBC3 LBC3
Tone control Right channel Bass DC cut capacitor Left channel Bass DC cut capacitor
2K 30
V+ / 2
GND
10 11 12 13 14 15
LIN RIN CIN SLIN SRIN SWIN
Volume Left channel input Right channel input Center channel input Surround Left channel input Surround Right channel input Sub Woofer channel input
V+
V+ / 2
300 50K GND VREF
VDD Rp 300
2
16
SCL
I C bus clock input
10K GND ( Rp ; External pull up resistor )
-
VDD Rp 300
17
SDA
I C bus data input
10K GND GND 10K
2
-
( Rp ; External pull up resistor )
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NJW1151
ITERMINAL 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
IAPPLICATION CIRCUIT
100F VREF +14V 10F 100F V+
TONE CONTROL
GND
LTIN 4.7F
VREFC RTIN
TONE CONTROL
LTOUT
LTC 10 nF
4.7F
RTOUT
LBC1
RTC 10 nF
LBC2
680nF
RBC1
MASTER VOLUME
LBC3 LOUT 10F
680nF
RBC2
RBC3 10F 4.7F
BALANCE
ROUT
LIN
BALANCE
COUT
RIN
TRIMMER
SLOUT
4.7F
CIN
TRIMMER
SROUT
4.7F
SLIN
TRIMMER
SWOUT
+5V
4.7F
SRIN
TRIMMER I2C BUS INTERFACE
SDA
4k 200pF 4k 200pF
4.7F
SWIN
SCL
4.7F
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NJW1151
I 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. LTIN/RTIN LTOUT/RTOUT Tone Control LTC/RTC LBC1/RBC1 LBC2/RBC2 LBC3/RBC3 C2 10uF C1 4.7uF
EX)
C1 =10uF, C2 = 680nF Cut-off frequency for Treble = 3.9kHz Cut-off frequency for Bass = 238Hz 2) BASS =+/-10dB
1) TREBLE =+/-10dB
39.2 10 - 6 fc = C1
161.7 10 - 6 fc = C2
- 10 -
NJW1151
I DEFINITION OF I C REGISTER 2 G I C BUS FORMAT S: Starting Term A: Acknowledge Bit
MSB LSB MSB
2
P: Ending Term
LSB MSB LSB
S
1bit
Slave Address
8bit
A
1bit
Select Address
8bit
A
1bit
Data
8bit
A
1bit
P
1bit
G SLAVE ADDRESS
MSB LSB
1
0
0
0
1
0
0
R/W
R/W=0: Receive Only R/W=1: No Output Data G CONTROL REGISTER TABLE Select Address
BIT D7
* * * * * * * Tone (Treble) * MUTE
D6
D5
D4
D3
Master Volume
D2
D1
D0
00H 01H 02H 03H 04H 05H 06H 07H 08H
Left channel Balance Right channel Balance Center Channel Trimmer SL Channel Trimmer SR Channel Trimmer SW Channel Trimmer Tone (Bass)
* : Don't care. On Power up, the master volume mute is activated. G CONTROL REGISTER DEFAULT VALUE Select Address
BIT D7
0 0 0 0 0 0 0 0 0
D6
1 0 0 0 0 0 0 0 0
D5
0 0 0 0 0 0 0 0 0
D4
1 0 0 0 0 0 0 0 0
D3
0 0 0 1 1 1 1 0 0
D2
0 0 0 0 0 0 0 0 0
D1
0 0 0 1 1 1 1 0 0
D0
0 0 0 0 0 0 0 0 0
00H 01H 02H 03H 04H 05H 06H 07H 08H
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NJW1151
G CONTROL COMMAND TABLE
Select Address BIT D7 D6
0 0 0
D5
0 0 0
D4
0 0 0
D3
VOL 0 0 0 : :
D2
0 0 0
D1
0 0 1
D0
0 1 0
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 SL TRIM :SL Channel Trimmer Control Ex.) "00000"=0dB "00001"=-1dB "00010"=-2dB : "10100"=-20dB "00001010"=-10dB SR TRIM :SR Channel Trimmer Control Ex.) "00000"=0dB "00001"=-1dB "00010"=-2dB : "10100"=-20dB "00001010"=-10dB SW TRIM :SW Channel Trimmer Control Ex.) "00000"=0dB "00001"=-1dB "00010"=-2dB : "10100"=-20dB "00001010"=-10dB
00H
*
1 1
0 0
0 1
1 0
1 0 L-BAL
1 0
1 0
0
0 0 0 1 0 0 0 1 0 0 0 0 0 0 0
0 0 0 : 1 R-BAL 0 0 0 : 1 C TRIM 0 0 0 : 1 SL TRIM 0 0 0 :
0 0 1 1 0 0 1 1 0 0 1 0 0 0 1
0 1 0 1 0 1 0 1 0 1 0 0 0 1 0
01H
0 * 0 1 0
02H
0 * 0 1 0
03H
*
0 0 1 0
Default Value
04H
*
0 0
1
0
1 SR TRIM
0
0
Default Value
0
0 0 0 0 0 0 0 0
0 0 0 : 1 SW TRIM 0 0 0 : 1
0 0 1 0 0 0 1 0
0 1 0 0 0 1 0 0
05H
*
0 0 1 0
Default Value
06H
*
0 0 1
Default Value
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NJW1151
G CONTROL COMMAND TABLE
Select Address BIT D7
1 1 07H 1 0 0 0
D6
1 1 0 0 1 1
D5
0 0 0 0 0 0
D4
1 0 : 0 0 : 0 1
D3
1 1 1 0 0 0 MUTE 0 1
D2
BASS 1 1 0 0 1 1
D1
0 0 0 0 0 0
D0
1 0 0 0 0 1 TONE CONTROL Ex.) "11011101"=+10dB "11001100"=+8dB : "10001000"=0dB "00000000"=0dB : "01000111"=-8dB "01010101"=-10dB
REMARKS
TREBLE
08H
*
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
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NJW1151
I TYPICAL CHARACTERISTICS
Operating Current vs. Supply Voltage Ta=25C 15.0
Volume Attenuation Level vs. Setting Level V+=14V f=1kHz Ta=25C Setting Level [dB] -10 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 0 -79 0 -10
12.0
Operating Current [mA]
Attenuation Level [dB]
-20 -30 -40 -50 -60 -70 -80 -90
L,C,R,SL,S R,SWch
9.0
6.0
ICC
3.0
Mute
0.0 0 3 6 9 12 15 Supply Voltage [V]
-100
Tone Control Voltage Gain vs Frequency V+=14V Vin=1Vrms Ta=25C
Volume THD+N vs. Input Level Vin=1Vrms V+=14V Ta=25C 10
15 10 Voltage Gain [dB] 5 0 -5 -10 -15 0.01 1.E+01 Bass
+10dB +8dB +6dB +4dB +2dB 0dB
Treble
+10dB +8dB +6dB +4dB +2dB 0dB -2dB -4dB -6dB -8dB -10dB
1 THD+N [%]
0.1 20kHz 0.01
-2dB -4dB -6dB -8dB -10dB
1.E+02 0.1
1.E+03 1 Frequency [kHz]
1.E+04 10
100 1.E+05
0.001 -60
1kHz -40 -20 Input Level [dBV] 0
20Hz 20
Volume THD+N vs. Input Level V+=14V Ta=25C 10 10
Tone Control THD+N vs. Input Level (ATT=0dB;Flat) Vin=1Vrms V+=14V Ta=25C
1
1
THD+N [%]
THD+N [%]
0.1
ATT=-10dB
20kHz 0.1
ATT=-5dB 0.01 ATT=0dB 0.001 -60 -40 -20 Input Level [dBV] 0 20 0.001 -60 0.01 1kHz 20Hz -40 -20 Input Level [dBV] 0 20
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NJW1151
I TYPICAL CHARACTERISTICS
Tone Control THD+N vs. Frequency (ATT=0dB;Flat) V+=14V Ta=25C 10 Operating Current vs. Ambient Temperature V+=14V 16.0 14.0 1 2Vrms 12.0 10.0 8.0 6.0 4.0 2.0 0.001 1.E+01 0.01 0.0 -75 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [C]
0.1Vrms 0.1 1Vrms 0.01
1.E+02 0.1
1.E+03 1 Frequency [kHz]
1.E+04 10
1.E+05 100
Volume Voltage Gain vs. Ambient Temperature (Master Volume=0dB) V+=14V Vin=1Vrms f=1kHz 0.5 0.4 0.3 GV
Operating Current [mA]
THD+N [%]
-50
Volume Attenuation Level vs. Ambient Temperature (Master Volume=-79dB) V+=14V Vin=1Vrms f=1kHz
-60
Attenuation Level [dB]
Voltage Gain [dB]
0.2 0.1 0.0 -0.1 -0.2 -0.3 -0.4 -0.5 -75 -50 -25 0 25
-70
-80
GV_L,R,C,S L,SR,SW
-90
ATT_L,R,C, SL,SR,SW
-100 50 75 100 125 150 -75 -50 -25 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 -60
-50
Volume Attenuation Level vs. Ambient Temperature (Master=-50dB, Trimmer=-10dB) V+=14V Vin=1Vrms f=1kHz
-60
Attenuation Level [dB] Attenuation Level [dB]
-70 -80 -90 -100 -110 -120 -75 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [C] ATT_L,R,C, SL,SR,SW
-70
ATT_L,R,C, SL,SR,SW
-80
-90
-100 -75 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [C]
- 15 -
NJW1151
I TYPICAL CHARACTERISTICS
Volume Maximum Output Voltage v s. Ambient Temperature
Volume Output Noise Voltage vs. Ambient Temperature V+=14V A-Weighted -60
V+=14V f=1kHz 10
Maximum Output Voltage [Vrms]
Output Noise Voltage [dBV]
8 VOM_L,R,C, SL,SR,SW
-70
-80
6
-90
4
Vno_L,R,C, SL,SR,SW
-100
2
-110
0 -75 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [C]
-120 -75 -50 -25 0 25 50 75 100 125 150 Ambient Temperature [C]
Volume THD+N vs. Ambient Temperature V+=14V Vin=1Vrms f=1kHz 10 15
Tone Control Voltage Gain vs. Ambient Temperature V+=14V Vin=1Vrms f=10kHz
10 1
Voltage Gain [dB]
5
THD+N [%]
TREBLE+10dB
0.1
THD_L,R,C,S L,SR,SW
0
-5
TREBLE-10dB
0.01 -10
0.001 -75 -50 -25
0
25
50
75 100 125 150
-15 -75 -50 -25
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 15 10
Volume THD+N vs. Input Voltage (Master Volume=0dB) V+=14V
10 1
Voltage Gain [dB]
5
THD+N [%]
BASS+10dB
0
0.1
-5
BASS-10dB 0.01
Ta-40C Ta=25C 0.001 -60 Ta=85C -40 -20 Input Voltage [dBV] 0 20
-10
-15 -75 -50 -25
0
25
50
75 100 125 150
Ambient Temperature [C]
- 16 -
NJW1151
I TYPICAL CHARACTERISTICS
Tone Control THD+N vs. Input Voltage (ATT=0dB;Flat) V+=14V
10
1
THD+N [%]
0.1
0.01
Ta=85C Ta=25C Ta=-40C
0.001 -60
-40
-20 Input Voltage [dBV]
0
20
I NOTE Purchase of I C components of New Japan Radio Co., Ltd or one of its sublicensed Associated Companies 2 2 conveys a license under the Philips I C Patent Rights to use these components in an I C system, provided that 2 the system conforms to the I C Standard Specification as defined by Philip.
2
[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.
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