NJW1156 [NJRC]
2-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR; 带输入选择器2通道电子音量型号: | NJW1156 |
厂家: | NEW JAPAN RADIO |
描述: | 2-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR |
文件: | 总13页 (文件大小:188K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
PRELIMINARY
NJW1156
2-CHANNEL ELECTRONIC VOLUME WITH INPUT SELECTOR
I GENERAL DESCRIPTION
I PACKAGE OUTLINE
NJW1156 is a two channel electronic volume with
5 input selector. It’s suitable for Input signal trimmer
of audio equipments such as DVD / HDD recorder
and VCR. These functions are controlled by I2C Bus.
NJW1156V
NJW1156M
I FEATURES
G Operating Voltage
G I2C Bus control
G 5 Input Selector
G Volume
8 to 13V
0 to –39.5dB/0.5dBstep, MUTE
SSOP20, DMP20
G Bi-CMOS Technology
G Package Outline
I BLOCK DIAGRAM
A/D
INPUTS
INPUTS
I2C Control
V+
V+
GND
GND
A/D
PRELIMINARY
NJW1156
I PIN FUNCTION
No.
1
SYMBOL
GND
FUNCTION
Ground
R channel Input 1
R channel Input 2
R channel Input 3
R channel Input 4
R channel Input 5
R channel Output
2
R1IN
3
R2 IN
R3IN
4
5
R4IN
6
R5IN
20
1
11
10
7
ROUT
VSSOUT
SCL
Internal VSS Noise Rejection Capacitor Terminal
8
I2C Clock Input
9
I2C Data Input
10
11
12
13
14
15
16
17
18
19
20
SDA
Internal VDD Noise Rejection Capacitor Terminal
Reference Voltage Output
Power Supply
Reference Voltage Noise Rejection Capacitor Terminal
L channel Output
VDDOUT
VREFOUT
V+
VREFIN
LOUT
L5IN
L channel Input 5
L channel Input 4
L4IN
L channel Input 3
L3IN
L channel Input 2
L2IN
L channel Input 1
L1IN
I ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
Power Supply Voltage
SYMBOL
V+
RATING
15
UNIT
V
mW
°C
Power Dissipation
PD
375
Operating Temperature Range
Storage Temperature Range
Topr
-20 to +75
-40 to +125
Tstg
°C
I ELECTRICAL CHARACTERISTICS (Ta=25°C,V+=+12V)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
N Power Supply
Operating Voltage
Reference Voltage
Supply Current
V+
Vref
ICC
-
-
8
5.5
-
12
6
13
6.5
6.8
V
V
No signal
4.5
mA
N Input/Output Characteristics
f=1kHz,THD=1%
Volume=0dB
VIN=1Vrms, f=1kHz
Volume=0dB
VIN=1Vrms, f=1kHz
Volume=-20dB
Maximum Output Voltage
VOM
GV1
3.0
-0.5
-21
-42.0
-0.5
-
4.0
0
-
0.5
-19
-37.0
0.5
-
Vrms
dB
Voltage Gain 1
Voltage Gain 2
Voltage Gain 3
Voltage Gain Error
Mute Level
GV2
-20
-39.5
0
dB
VIN=1Vrms, f=1kHz
Volume=-39.5dB
VIN=1Vrms, f=1kHz
Volume=-20dB , Ach - Bch
f=1kHz, VIN=1Vrms
Volume=Mute, A-weight
Volume=0dB,
GV3
dB
∆GV
Mute
VNO
dB
-100
dB
-110
(3.2µ)
-100
(10µ)
dBV
(Vrms)
Output Noise
-
Rg=0,A-weight
f=1kHz,Vo=1Vrms,
Total Harmonic Distortion
Channel Separation
THD
CS
Volume=0dB
-
-
0.0015
0.05
%
BW : 400Hz - 30kHz
f=1kHz,Vo=1Vrms,
Volume=0dB
-100
-90
dB
Rg=0Ω, A-weight
– 2 –
PRELIMINARY
NJW1156
I I2C BUS BLOCK CHARACTERISTICS (SDA,SCL)
PARAMETER
SYMBOL
VIH
MIN.
2.5
0
TYP.
MAX.
UNIT
V
High Level Input Voltage
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
5.0
Low Level Input Voltage
VIL
1.5
V
High Level Input Current
IIH
-
10
µA
µA
V
Low Level Input Current
IIL
-
10
Low Level Output Voltage (3mA at SDA pin)
Maximum Output Current
VOL
0
0.4
IOL
-3.0
-
-
mA
kHz
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
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
fSCL
100
tBUF
4.7
4.0
4.7
4.0
4.7
5.0
250
-
-
tHD:STA
tLOW
tHIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
-
-
-
-
-
Minimum Data Preparation Time
Rise Time
-
1.0
300
-
Fall Time
tF
-
Minimum Stop Preparation Waiting Time
tSU:STO
4.0
I2C BUS Load Condition:
Pull up resistance 4kΩ (Connected to +5V)
Load capacitance 200pF (Connected to GND)
SDA
SCL
tBUF
tR
tF
tHD:STA
tSU:STA
tSU:STO
tHD:STA tLOW
tHD:DAT
tHIGH
tSU:DAT
Sr
P
S
P
– 3 –
PRELIMINARY
NJW1156
TERMINAL DESCRIPTION
TERMINAL
DC
VOLTAGE
PIN
SYMBOL
NO.
FUNCTION
EQUIVALENT CIRCUIT
2
3
R1IN
R2IN
R3IN
R4IN
R5IN
L5IN
L4IN
L3IN
L2IN
L1IN
R channel Input 1
R channel Input 2
R channel Input 3
R channel Input 4
R channel Input 5
L channel Input 5
L channel Input 4
L channel Input 3
L channel Input 2
L channel Input 1
V+
4
5
6
V+/2
16
17
18
19
20
300
50K
50K
VREF
VREF
GND
V+
400
7
ROUT
Rch Output
Lch Output
V+/2
15
LOUT
GND
V+
VSS_OUT
=Vref – 2.5V
8
11
VSS_OUT
VDD_OUT
Internal VSS Noise Rejection Capacitor Terminal
Internal VDD Noise Rejection Capacitor Terminal
VDD_OUT
=Vref + 2.5V
V- (SUB)
4K
8K
9
SCL
I2C Clock Input
-
GND
– 4 –
PRELIMINARY
NJW1156
TERMINAL DESCRIPTION
TERMINAL
DC
VOLTAGE
PIN
SYMBOL
NO.
FUNCTION
EQUIVALENT CIRCUIT
4K
10
SDA
I2C Data Input
-
8K
GND
V+
400
V+/2
VREFOUT
12
Reference Voltage Output
GND
13
V+
Power Supply
V+
GND
V+
50K
50K
14
VREFIN
Reference Voltage Noise Rejection Capacitor
Terminal
V+/2
GND
– 5 –
PRELIMINARY
NJW1156
I APPLICATION CIRCUIT
20
19
1
2
GND
L1IN
L2IN
L3IN
L4IN
L5IN
LOUT
10µF
10µF
10µF
10µF
10µF
10µF
10µF
10µF
10µF
10µF
10µF
10µF
R1IN
R2IN
R3IN
R4IN
R5IN
ROUT
3
18
4
17
16
5
6
15
14
10µF
1µF
VREFIN
V+
7
VSSOUT
I2C
8
13
12
100µF
SCL
SDA
9
10µF
10µF
VREFOUT
VDDOUT
Interface
10
11
– 6 –
PRELIMINARY
NJW1156
I DEFINITION OF I2C REGISTER
♦I2C BUS FORMAT
MSB
LSB
MSB
LSB
MSB
LSB
S
Slave Address
A
Select Address
A
Data
A
P
1bit
8bit
1bit
8bit
1bit
8bit
1bit 1bit
S: Starting Term
A: Acknowledge Bit
P: Ending Term
♦SLAVE ADDRESS
MSB
LSB
1
0
0
0
0
0
1
0
♦CONTROL REGISTER TABLE
The select address sets each function (Volume, Selector).
The auto increment function cycles the select address as follows.
00H¡01H¡02H¡00H
BIT
Select
Address
D4
D3
D2
D1
D0
D7
D6
D5
00H
01H
02H
VOLa
VOLb
Don’t Care
Don’t Care
Don’t Care
TEST
OFF
Selector
Don’t Care
♦CONTROL REGISTER DEFAULT VALUE
Control register default value is all “0”.
Select
BIT
D4
D3
D2
D1
D0
Address
D7
D6
D5
00H
01H
02H
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
– 7 –
PRELIMINARY
NJW1156
I CONTROL COMMAND TABLE
a) Master Volume
BIT
Select
Address
D4
D3
D2
D1
D0
D7
D6
D5
00H
01H
VOLa
VOLb
Don’t Care
Don’t Care
•VOLa / VOLb : Ach and Bch volume level setting from 0dB to –39.5dB with 0.5dB step.
VOLa / VOLb
Gain (dB)
D6
D5
D4
D3
D2
D1
D0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
•••
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
•••
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
•••
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
•••
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
•••
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
•••
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
•••
1
1
-0.5
-1
-1.5
-2
-2.5
-3
-3.5
-4
-4.5
-5
-5.5
-6
-6.5
-7
-7.5
-8
-8.5
-9
-9.5
-10
-10.5
-11
-11.5
-12
-12.5
-13
-13.5
-14
-14.5
-15
-15.5
-16
-16.5
-17
-17.5
-18
-18.5
-19
-19.5
-20
•••
-39.5
Mute
– 8 –
PRELIMINARY
NJW1156
b)Input Selector
BIT
Select
Address
D4
D3
D2
D1
D0
D7
D6
D5
01H
TEST
OFF
Selector
Don’t Care
Don’t Care
•Selector : Input signal selecting
Selector
D0
Input
D2
0
0
0
0
D1
L1IN / R1IN
L2IN / R2IN
L3IN / R3IN
L4IN / R4IN
L5IN / R5IN
0
0
1
1
0
1
0
1
0
1
0
– 9 –
PRELIMINARY
NJW1156
TYPICAL CHARACTERISTICS
Operating Current vs. Supply Voltage
Voltage Gain vs. Attenuater Set Level
Ta=25oC
Ta=25oC
4.5
4
0
-5
3.5
3
-10
-15
-20
-25
-30
-35
-40
-45
2.5
2
L1,R1IN
1.5
1
0.5
0
0
-5 -10 -15 -20 -25 -30 -35 -40 -45
0
5
10
15
Attenuator Set Level [dB]
Supply Voltage [V]
THD+N vs. Input Level
V+=12V, VOL=0dB, BW=10Hz-80kHz
INPUT:L1IN, OUTPUT:LOUT
THD+N vs. Input Level
V+=12V, f=1kHz, BW=10Hz-80kHz
INPUT:L1IN, OUTPUT:LOUT
10
1
10
-20dB
1
0.1
-30dB
0.1
20kHz
0.01
0.001
0.01
0dB
20Hz,1kHz
-10dB
0.001
-40
-20
Input Level [dB]
0
20
-40
-20
0
20
Input Level [dB]
Operating Current vs. Supply Voltage
Operating Current vs. Ambient Temperature
V+=12V
5
5
4
3
2
1
0
4.5
4
25oC
125oC
-40oC
3.5
3
-50
0
50
100
150
0
5
10
15
Ambient Temperature [oC]
Supply Voltage [V]
– 10 –
PRELIMINARY
NJW1156
TYPICAL CHARACTERISTICS
Voltage Gain vs. Ambient Temperature
V+=12V,Vin=1V,f=1kHz,Vol=0dB
Attenuation Level vs. Ambient Temperature
V+=12V,Vin=1V,f=1kHz,Vol=-20dB
-10
-15
-20
-25
-30
1.0
0.5
0.0
L1,R1IN
-0.5
L1,R1IN
-1.0
-50
0
50
100
150
-50
0
50
100
150
Ambient Temperature [oC]
Ambient Temperature [oC]
Attenuation Level vs. Ambient Temperature
V+=12V,Vin=1V,f=1kHz,Vol=-39.5dB
Attenuation Level vs. Ambient Temperature
V+=12V,Vin=1V,f=1kHz,Vol=Mute
-30
-80
-85
-90
-35
-40
-45
-50
R1IN
L1IN
-95
-100
-105
-110
-115
-120
-125
-130
L1,R1IN
-50
0
50
100
150
-50
0
50
100
150
Ambient Temperature [oC]
Ambient Temperature [oC]
Maximam Output Voltage vs. Ambient Temperature
V+=12V,f=1kHz,THD+N=1%,Vol=0dB
Output Noise Level vs. Ambient Temperature
V+=12V,Rg=0Ω,Vol=0dB,A-w eight
13.0
12.5
12.0
11.5
11.0
10.5
10.0
9.5
-60
-70
-80
-90
L1,R1IN
R1IN
L1IN
-100
-110
-120
-130
9.0
-50
0
50
100
150
-50
0
50
100
150
Ambient Temperature [oC]
Ambient Temperature [oC]
– 11 –
PRELIMINARY
NJW1156
TYPICAL CHARACTERISTICS
THD+N vs. Ambient Temperature
V+=12V,Vin=1V,f=1kHz,THD+N=1%,Vol=0dB
10
1
0.1
L1IN
0.01
R1IN
0.001
-50
0
50
100
150
Ambient Temperature [oC]
– 12 –
PRELIMINARY
NJW1156
INOTE
Purchase of I2C components of New Japan Radio Co., Ltd or one of its sublicensed Associated Companies conveys a license under the
Philips I2C Patent Rights to use these components in an I2C system, provided that the system conforms to the I2C Standard Specification
as defined by Philips.
[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.
– 13 –
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