NJW1195A Datasheet PDF - New Japan Radio

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NJW1195A
New Japan Radio

Part Number NJW1195A
Description 4-Channel Electronic Volume
Page 3 Pages


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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 PACKAGE OUTLINE
NJW1195AV
s FEATURES
q Operating Voltage
q 3-Wired Serial Control
q Selectable 4-Chip Address
q Low Output Noise
q Low Distortion
q 4in 2out Stereo Signal Selector
q Volume
q Differential transmission select function
q Channel Separation
q Zero Cross Detection
q Bi-CMOS Technology
q Package Outline
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. (1.26µVrms 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
In B2
In B3
In B4
10µF
+
10µF
+
10µF
+
10µF
+
32 31 30 29
Out1 B
100µF
+
28 27
10µF
+
26 25
+31.5dB to -95dB
/ 0.5dBs tep, Mute
VOL1B
100µF
+
24 23
DIFF
Out2 B ADR1
10µF
+
22 21
20
ADR0
19
V+ V-
+
+
100µF 100µF
18 17
Ref 5V
VDD
+31.5dB to -95dB
/ 0.5dBstep, Mute
VOL2B
SEL1B SEL2B
SEL1A SEL2A
VOL2A
+31.5dB to -95dB
/ 0.5dBstep, Mute
Zero Cross
Detection
1234
10µF + 10µF + 10µF + 10µF +
VOL1A
+31.5dB to -95dB
/ 0.5dBstep, Mute
567
100µF +
8
10µF +
Control Logic
9 1100 1111 1122 1133 14 15 16
100µF +
10µF +
+
In A1
In A2
In A3
In A4
Out1 A
D_REF Out2 A
V-
DATA CLOCK LATCH
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s ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
SYMBOL
RATING
Power Supply Voltage
Maximum Input Voltage
Power Dissipation
Operating Temperature Range
V+/V-
VIM
PD
Topr
+8/-8
V+/V-
800
NOTE: EIA/JEDEC STANDARD Test board (76.2x114.3x1.6mm, 2layer, FR-4) mounting
-40 ~ +85
Storage Temperature Range
Tstg
-40 ~ +125
UNIT
V
V
mW
°C
°C
s ELECTRICAL CHARACTERISTICS (Ta=25°C, V+/V-=±7V, RL=47k, VOL=0dB)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP. MAX.
UNIT
x Power Supply
Operating Voltage
Supply Current 1
Supply Current 2
V+/V-
ICC
IEE
No signal
No signal
3.5 7.0 7.5 V
- 9 15 mA
- 9 15 mA
x Input/Output Characteristics (Output)
Maximum Output Voltage
VOM
f=1kHz,THD=1%
VOL=0dB
3.6 4.2
-
Voltage Gain 1
GV1
VIN=2Vrms, f=1kHz
VOL=0dB
-0.5 0
0.5
Voltage Gain 2
GV2
VIN=100mVrms, f=1kHz
VOL=+15dB
+14 +15 +16
Voltage Gain Error 1
GV1
VIN=2Vrms, f=1kHz
VOL=0dB
-0.5 0
0.5
Voltage Gain Error 2
GV2
f=1kHz, VIN=2Vrms
VOL=-60dB
-1.0 0
1.0
Maximum Attenuation
ATT
f=1kHz, VIN=2Vrms
VOL=-95dB, A-weight
- -95 -
Mute level
Mute
f=1kHz, VIN=2Vrms
VOL=Mute, A-weight
- -120 -
Cross Talk 1
CT1
f=1kHz, VIN =2Vrms,A-weight
VOL=0dB, Rg=0
-
-120
-
Cross Talk 2
CT2
f=20kHz, VIN =2Vrms
VOL=0dB, Rg=0
- -100 -
Channel Separation 1
f=1kHz, VIN =2Vrms,A-weight
CS1 VOL=0dB, Rg=0Ω,
-
-120
-90
Out1 vs. Out2
Channel Separation 2
CS2
f=20kHz, VIN =2Vrms
VOL=0dB, Rg=0Ω,
Out1 vs. Out2
- -100 -
Channel Separation 3
f=1kHz, VIN =2Vrms,A-weight
CS3 VOL=0dB, Rg=0Ω,
-
-120
-90
Out A vs. Out B
Channel Separation 4
CS4
f=20kHz, VIN =2Vrms
VOL=0dB, Rg=0Ω,
Out A vs. Out B
- -100 -
Input Impedance *
RIN
Select Channel Input
Terminal
12.0 16.7
-
* Input Impedance is reduced by half (9.1ktyp.) when input selector 1 (SEL1) and input selector 2 (SEL2) chose the same input.
Vrms
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
k
–2–
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s ELECTRICAL CHARACTERISTICS (Ta=25°C, V+/V-=±7V, RL=47k, Volume=0dB)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
x Input/Output Characteristics (Output)
Output Noise1
Output Noise2
VNO1
VNO2
Volume=0dB,
Rg=0, A-weight
Volume=-95dB,
Rg=0, A-weight
Total Harmonic Distortion 1
T.H.D.1
f=1kHz,VIN=200mVrms,Volume=0dB,
BW=400Hz-30kHz
Total Harmonic Distortion 2
T.H.D.2
f=10kHz, VIN =200mVrms,Volume=0dB,
BW=400Hz -30kHz
Total Harmonic Distortion 3
T.H.D.3
f=1kHz, VIN =2Vrms,Volume=0dB,
BW=400Hz -30kHz
Total Harmonic Distortion 4
T.H.D.4
f=10kHz, VIN =2Vrms,Volume=0dB,
BW=400Hz-30kHz
Total Harmonic Distortion 5
T.H.D.5
f=1kHz, VIN =200mVrms,
Volume=+15dB, BW=400Hz-30kHz
Total Harmonic Distortion 6
T.H.D.6
f=10kHz, VIN =200mVrms,
Volume=+15dB, BW=400Hz-30kHz
Total Harmonic Distortion 7
T.H.D.7
f=1kHz, VIN =2Vrms, Volume=-24dB,
BW=400Hz-30kHz
Total Harmonic Distortion 8
T.H.D.8
f=10kHz, VIN =2Vrms, Volume=-24dB,
BW=400Hz-30kHz
Total Harmonic Distortion 9
T.H.D.9
f=1kHz, VIN =1Vrms,Volume=0dB,
BW=400Hz-30kHz,
Differential transmission
Total Harmonic Distortion 10
T.H.D.10
f=10kHz, VIN =1Vrms,Volume=0dB,
BW=400Hz-30kHz,
Differential transmission
xLogic Control Characteristics
High Level Input Voltage
Low Level Input Voltage
VIH
DATA, CLOCK, LATCH, ADR0,
ADR1, DIFF Terminal Input
VIL
DATA, CLOCK, LATCH, ADR0,
ADR1, DIFF Terminal Input
-
-
-
-
-
-
-
-
-
-
-
-
2.5
0
TYP.
-118
(1.26µ)
-118
(1.26µ)
0.001
0.001
0.001
0.001
0.001
0.0015
0.003
0.003
0.0003
0.0003
-
-
MAX.
-100
(10µ)
-
-
-
-
-
-
-
0.01
-
-
-
V+
1.5
UNIT
dBV
(Vrms)
dBV
(Vrms)
%
%
%
%
%
%
%
%
%
%
V
V
Ver. 0.1E for Web
[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.
–3–



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