Transcript PowerPoint プレゼンテーション

Products Presentation
2005 Summer
Audio IC.
July, 2005
STANDARD IC Div.
Marketing Dept. SECTION 1
MASAHIKO INAGAKI
1
Audio IC
－ Electronic Volume Products
- Strength of NJRC’s Electronic Volume
- For AV Amplifier
- For DVD recorder
- For Mini Component
- For Car Audio
- For General
－ Audio Amplifier Products
- Headphone Amplifier with Electronic Volume
- Boost Amplifier for Car Audio
－ Others
- Band Pass Filters for Spectrum Analyzer
- Audio Limiter
2
Electronic Volume
Products
3
Strength of NJRC’s Electronic Volume
- Feature  Low noise
-114dBV typ.
 Low distortion
0.0008% typ.
(NJW1196)
- NEWS  Line up for
0.5dB step series
-Wide Line upSimple 2 channel Volume to
Multifunction 8 channel Volume
Line up for each application
< Home Theater / AV Amplifier / Mini-Compo. >
< DVD/HDD Recorder >
< Car Audio >
4
Electronic Volume
for AV Amplifier
-Resistor Ladder Type-
5
Electronic Volume IC
( & Selector IC)
Function Segmentation Map
Ladder Type Electronic Volume & Selector IC for AV Amplifier
For AV Amplifier
For 2ch / Multi-ch Audio
0.5dBstep
0.5dBstep
Tone &
Sel.
NJW1194
0.5dBstep
NJW119X
NJW1197
NJW1153
NJW1157B
0.5dBstep
Tone
NJW11XX
0.5dBstep
NJW11XX
Sel.
Function
NJW1150/51
0.5dBstep
0.5dBstep
Vol. Only Sel. Only
NJW11XX
NJW11XX
NJW1159
NJWXXXX
Series
2ch
9in 3out Selector
4ch
6ch
Channel
8ch
6
Application Example 1 EVR
( AV
Amp. )
NJW1153 / NJW119X
DVD
Tuner
Dolby Digital
Decoder
6ch EVR with Input Selector
Volume Tone Control
2ch input
Sel.
Buffer Amp.
(Variable Gain)
7.1ch
2ch
2ch
6ch
2ch
2ch
CD
6ch
MD
AUX0
2ch
AUX1
2ch
2ch
Input
ATT
Rec Out
DSP
NJW1194 2ch EVR with Tone & Input Selector
2ch input Sel.
Tone Control for
the Others beside Front Channel
 Selectable 4-Chip Address
two-channel stereo to eight-channel
Volume Tone Control
2ch
2ch
Buffer Amp.
(Variable Gain)
7
Application Example 2 EVR
( AV
Amp. )
NJW1157B / NJW1197
DVD
Tuner
Volume Tone Control
Dolby Digital
Decoder
Room 1
8ch EVR with Input Selector
2ch input
Sel.
Buffer Amp.
7.1ch
(Variable Gain)
Ex). Living Room
2ch
2ch
8ch
2ch
2ch
CD
8ch
MD
AUX0
2ch
AUX1
2ch
AUX2
2ch
AUX3
2ch
2ch
Input
ATT
Rec Out
DSP
NJW1194 2ch EVR with Tone & Input Selector Room 2
2ch input Sel.
Tone Control for
Room 2 (Sub. Room)
 Selectable 4-Chip Address
Room 2 to Room 5
Volume Tone Control
2ch
Ex). Bed Room
Child’s Room
2ch
Buffer Amp.
(Variable Gain)
8
P.6
NJW1197
8-Channel Electronic Volume with Input Selector
Gain : 0/+12/+13/+14/+15/+16/+17/+18dB (L,R,C,LS,RS,LB,RBch)
Gain : 0/+22/+23/+24/+25/+26/+27/+28dB (SWch)
Independent Control: L,Rch / Cch / LS,RSch / LB,RBch / SWch
RECB1R
RECA4R
RECA4L
RECB1L
RECA2R
RECA3L
RECA3R
RECA1R
LAIN
RAIN
CAIN
LSAIN
RSAIN
LBAIN
RBAIN
SWAIN
RECA2L
RECA1L
 BLOCK DIAGRAM
Supply
Voltage
mCOM
Interface
L1IN
Selector
Volume
R2IN
V+
GND
VLATCH
DATA
CLOCK
MUTE
Multi-channel
R1IN
L2IN
TONE
SW
LOUT
SW
ROUT
TSW
L3IN
R3IN
TONE
L4IN
R4IN
COUT
L5IN
R5IN
L6IN
LSOUT
R6IN
L7IN
RSOUT
R7IN
L8IN
R8IN
LBOUT
L9IN
R9IN
RBOUT
L10IN
BSW
R10IN
SSW
L11IN
SWOUT
R11IN
FIL1_R
FIL2_R
FIL3_R
Volume
Output Gain
FIL1_L
FIL2_L
FIL3_L
REC Out Selector
SWBIN
RBBIN
LBBIN
RBBIN
LSBIN
CBIN
RBIN
LBIN
Input Selector
RBCIN
LBCIN
RSCIN
LSCIN
FRFR+
FLFL+
 Volume
0 ~ -100dB/0.5dBstep, MUTE
 Tone Control (Bass,Treble) for L,R-ch
 Bi-CMOS Technology
 Package Outline
QFP100
NJW1197FC2
2 Channel Input
 FEATURES
 Operating Voltage
4.5 to  7.5V
 3-wired Serial BUS Control
 Input selector (2ch  11, 7.1ch  2)
 REC Output (2ch  5) Independent Mute function
 Input Gain Control
0/-3/-6/-9/-12dB
 Output Gain Control
 PACKAGE OUTLINE
Multi-Channel Input A
 GENERAL DESCRIPTION
The NJW1197 is a 8-Channel Electronic Volume
with Input Selector. It includes tone control,
Input/Output gain control, REC Output and Multi
channel inputs.
The NJW1197 is suitable for multi-channel audio
system, such as AV amplifier, DVD receiver, and
others.
All of internal status and variables are controlled by
3-wired serial bus interface.
Multi-Channel Input B
9
P.8
NJW1194
2-Channel Electronic Volume with Input Selector, Tone Control
 GENERAL DESCRIPTION
The NJW1194 is a 2-channel electronic volume with
4-in 1-out stereo audio selector and Tone Control.
The NJW1194 performs low noise and low distortion
characteristics with resistance ladder circuit.
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.
NJW1194V
 BLOCK DIAGRAM
Ach Tone Filter
ADR0
DATA
ADR1
LATCH
CLOCK
 FEATURES
 Operating Voltage
4.5 to  7.5V
 3-wired Serial BUS Control
 Selectable 4-Chip Address
Available for using four chips on same serial bus line
 Low Output Noise
-110dBV typ.
 Low Distortion
0.001% typ. at Vin=2Vrms
 4in 1out Stereo Signal Selector
 Volume
0 to –100dB /0.5dBstep, MUTE
 Volume Output Gain
+18 to +6dB /2dBstep
 Tone Control
0 to 10dB / 1dBstep
 Channel Separation
100dB typ.
 Bi-CMOS Technology
 Package Outline
SSOP32
 PACKAGE OUTLINE
V+ GND V-
In A1
In A2
Control Logic
Bias
In A3
In A4
TONE
Out A
In B1
In B2
TONE
OutB
In B3
In B4
Bch Tone Filter
10
Electronic Volume
for DVD recorder
-Resistor Ladder Type-
11
Application Example
NJW1196 ( DVD
recorder. )
For Input Level Adjusting in DVD/HDD Recorder
TV
BS
CS / CATV
TV
Tuner
NJW1196
(Front VCR)
Encoder
CS
/CATV
Tuner
DVD
VCR
CAM
A/D
BS
Tuner
Low noise,
Low Distortion
Vno=-114dBV typ.
THD=0.0008% typ.
HDD
For double Tuner
 Selectable 2-Chip Address
12
P.10
NJW1196
2-Channel Electronic Volume with Input Selector
 GENERAL DESCRIPTION
The NJW1196 is a 2-channel electronic volume with
6-in 1-out stereo audio selector.
The NJW1196 performs low noise and low distortion
characteristics with resistance ladder circuit.
It includes two reference voltage circuits for each
channel. They realizes very high channel separation.
All of functions are controlled via I2C Bus. And the
Slave Address selector is available for using two
chips on same serial bus line.
It is suitable for input signal trimmer of audio
equipments such as DVD/HDD recorder and VCR.
 PACKAGE OUTLINE
NJW1196V
 BLOCK DIAGRAM
In B1
In B3
In B4
In B5
In B6
10mF
10mF
10mF
10mF
10mF
10mF
10mF
10mF
+
+
+
+
+
+
+
+
+
31
30
29
28
27
26
V+
Out B
10mF
32
 FEATURES
 Operating Voltage
7.5 to 13V
2
 I C Bus Interface
Slave Address select function
 Low Output Noise
-114dBV typ.
 Low Distortion
0.0008% typ. at Vin=1Vrms
 6in 1out Stereo Signal Selector
 Volume
+21 to 0dB /3dBstep
0 to –39.5dB /0.5dBstep, MUTE
 Channel Separation
110dB typ.
 Input Resistance
130kW typ.
 Bi-CMOS Technology
 Package Outline
SSOP32
In B2
25
24
23
22
21
20
+
10mF
+
19
SCL
100mF
18
17
GND
VOL
0dB to -39.5dB
/ 0.5dBstep, Mute
Gain
21dB to 0dB
/ 3dBstep
50kW
VREF Amp.
VREF Amp.
50kW
Gain
21dB to 0dB
/ 3dBstep
VOL
0dB to -39.5dB
/ 0.5dBstep, Mute
DGND
GND
1
10mF
+
In A1
2
10mF
+
3
10mF
+
In A2
4
10mF
+
In A3
5
10mF
+
In A4
6
10mF
+
In A5
7
10mF
+
In A6
8
9
I2C
Interface
VDD
10
11
10mF
+
12
10mF
+
Out A
13
14
15
16
ADR
SDA
+
13
Electronic Volume
for Mini-Component
-Resistor Ladder Type-
14
Application Example
NJW1190 ( Mini-Compo. )
Audio Processor with multi-purpose Surround Sound
5 Input Selector
Resistor Ladder type Volume
Tuner, CD, Cassette, Aux1, Aux2
MONa
Low Distortion 0.005% typ.
Low Noise –100dBV typ.
IN1a
IN2a
0 to 14dB 2dB
step
IN3a
IN4a
VOL2
TONE
VOL1
IN5a
MIC-IN
surround
Mic-in 0,6,10,14dB
TREBLE
-14 to 14dB
2dB step
Mute
IN1b
IN2b
MIDDLE
-14 to 14dB
2dB step
BASS
-14 to 14dB
2dB step
SDA
SCL
Vcc
BassBoost
0 to 14dB 2dB
step
I 2C Bus
Interf ace
OUTa
Bias
Vref
GND
VOL1
IN3b
TONE
VOL2
IN4b
OUTb
IN5b
MONb
Surround + Bass Boost
10 effects
ex. Hall, Disco, Church …
Tone Control
Bass, Middle, Treble
15
NJW1190
多彩なサラウンドサウンドを提供します
“NJW1190” reproduces a number of surround sounds.
Bypass
Classic
Jazz
Rock
Movie
Disco
Church
Cathedral
Stadium
ON
Classic Mode
Mute
Mute-Cancel
前面スピーカーから音が出ています。
The sound comes from speakers on the wall.
16
Electronic Volume
for Car Audio
-Resistor Ladder Type-
17
Application Example
NJW1192 ( Car Audio )
Tone Control
3 stereo & 1 monaural in
1out Input Selector
Ex.) AM(monaural),
FM, CD, AUX switches
Vol1 : Mastering volume and Loudness
±14dB / 2dBstep
Vol2 : Balance and fader volume
Treble
Tuner
CD
Bass
0, +6dB,
+12 dB, +18dB
Line
Output
NJM2792
Boost Output Function
for Car Audio Line Output
0, +6dB,
+12 dB, +18dB
Treble
Bass
Bias
Tuner
I2C Interface
Boost
Amplifier
Line
Output
AUX
Lch
Rch
SLch
SRch
Power
Amplifier
4ch Electronic Volume with Loudness
Suitable for Car Audio
18
P.12
NJW1192
4-channel Electronic Volume with Input Selector
 GENERAL DESCRIPTION
NJW1192 is 4-channel electronic volume with input
selector. It includes master volume, balance control, fader,
Loudness, tone control, 3 stereo inputs and 1 monaural
input selector and loudness function.
NJW1192 performs low noise and low distortion
characteristics with resistance ladder circuit.
All of internal status and variables are controlled by I2C
BUS interface.
 PACKAGE OUTLINE
NJW1192V
Treble
Bass
Treble
Bass
0, +6dB,
+12 dB, +18dB
MONO
0, +6dB,
+12 dB, +18dB
Bias
 FEATURES
 Operating Voltage
7.5 to 13V
 I2C BUS Interface
 Low Output Noise
-103dBVtyp
 Low Distortion
0.005%typ
 3ch Stereo & 1ch Mono Input Selector
 Loudness and Tone control
 Main Volume
 Balance and Fader
 Bi-CMOS Technology
 Package Outline
SSOP32
I2C Interface
 BLOCK DIAGRAM
19
Electronic Volume
for General
-Voltage Control Amplifier Type-
20
Application Example 1
NJW1184 ( General )
External EVR of system IC without VOL function
Ex. ) KARAOKE system
Electronic Volume System by Volume function and Auxiliary port
21
Application Example 2
NJW1184 ( General )
Eight channel volume
 Selectable 2 Slave Address
22
P.13
NJW1184
4-Channel Electronic Volume
 GENERAL DESCRIPTION
The NJW1184 is a four channel electronic volume.
The NJW1184 performs click-noiseless characteristics
with VCA circuit..
These functions are controlled by I2C Bus. And the
Slave Address selector is available for using two
chips on same serial bus line. It’s available for twochannel stereo and or multi-channel audio volume.
 FEATURES
 Operating Voltage
 I2C Bus Interface
 Slave Address Selector
 Volume (VCA type)
 2 Auxiliary Port
 Bi-CMOS Technology
 Package Outline
 PACKAGE OUTLINE
NJW1184V
NJW1184M
NJW1184D
 BLOCK DIAGRAM
OUT1
IN1
OUT3
IN3
7.5to 13V
CVOL1
available for using two chips
on same serial bus line
0 to –100dB/0.5dBstep, MUTE
CVOL2
CVOL3
VOL3
VOL1
CVOL4
I2C Bus
Interface
AUX0
AUX1
ADR
SSOP20, DMP20, DIP20
SCL
VOL4
VOL2
SDA
Bias
IN2
OUT2
IN4
OUT4
V+
GND
Vref
23
Audio Amplifier
Products
24
Headphone Amplifier
with Electronic Volume
25
NJM2777 / NJW1109 Application
ex. NJW1149
Class-D
DSP&D/A
Audio Processor
Amp.
Mismatch in SPK and Hp-Amp Impedance.
ex. NJW1149
Class-D
DSP&D/A
Audio Processor
NJM2777 / NJW1109
Headphone Amp.
Amp.
Picture in
Picture
with EVR
26
P.14
Headphone Amplifier with EVR
NJM2777
NJW1109
CNTa CAPa
Mute
IN a
IN b
VOL
VOL
Bias
CNTb CAPb
CAPa
Mute
I2 C
Interface
OUTa
IN a
OUTb
IN b
VOL
CAPb
Status : MP
 FEATURES
 Power Supply Voltage
Low Operating Current
 EVR range
 Output Power
+8 to +10V
5.0mA typ.
+20 to -80dB
100mW typ.
@RL=100W, V+=9V
OUTb
Bias
V+ GND
DGND
OUTa
VOL
Vref
Radio Cassette,CD(DVD)-R/W Slot,
Mini Component, Audio Equip.
SDA SCL
Vref
V+ GND
Status : MP
C-TV,LCD-TV,DVD-Player,
AV receiver, I2C-Audio Equip.
 PACKAGE OUTLINE
NJW1109D
NJW1109M
NJW1109V
27
Boost Amplifier
for Car Audio
28
Application Example
NJM2792 (Car
Audio)
+ High-voltage output realizes High S/N Performance
V+=9V
NJM2792
NJW1192, etc
EVR for Car
Boost
Amplifier
Power
Amplifier
Vo=14Vpp
Line
Output
V+=9V
Line
Output
Wide Frequency Responce
- 5Vrms typ. , at f=100kHz -
29
P.16
NJM2792
QUAD CAR AUDIO BOOST AMPLIFIER
 GENERAL DESCRIPTION
The NJM2792 is a quad boost amplifier designed for car
audio system. It expands the frequency characteristics by high
slew rate.
It can swing 14V peak-to-peak output voltage at 9V. It consists
of four channel non-inverting amplifier with the gain of 8dB.
It is suitable for car audio system and other boost amplifier
system.
 PACKAGE OUTLINE
NJM2792V
 BLOCK DIAGRAM
GND
1
220mF
+
CIN1
20
Lift Amp
COUT1
2
 FEATURES
 Operating Voltage
 Operating Current
 Roll off High Frequency
 Maximum Output Voltage
 Boost Output Function
 Supply Voltage Rejection Ratio
 Low Total Harmonic Distortion
 Low Noise Output Voltage
 Bipolar Technology
 Package Outline
6 to 12V
16mA typ.
100kHz typ. , at Gv=-1dB
5Vrms typ. , at f=100kHz
Vo=14Vpp, at V+=9V
50dB typ.
0.003% typ.
5mVrms typ.
1.5nF
22mF FL OUT
3
+
36kΩ
RL OUT +22mF
19
33kΩ
4
FB1
24kΩ
33kΩ
18
FB2
RL=10kΩ
22kΩ
FL IN
5
+
10mF
Signal Amp
60kΩ
Signal Amp
22kΩ
RL IN
17
Rear-L
Front-L
+
10mF
44kΩ 24kΩ 46kΩ
REF
6
V+
16
100nF
+
47mF
44kΩ 24kΩ 46kΩ
10mF FR IN
7
+
Front-R
60kΩ
Signal Amp
22kΩ
SSOP20
60kΩ
RL=10kΩ
RL=10kΩ
9
+
22mF FR OUT
Rear-R
RR IN 10mF
+
15
Signal Amp
FB3
8
33kΩ
60kΩ
FB4
14
24kΩ
22kΩ
33kΩ
RL=10kΩ
+
36kΩ
10
COUT2
13
RR OUT 22mF
CIN2
12
Lift Amp
1.5nF
+
GND
11
220mF
30
Others
31
Audio Limiter
32
Application Example
NJM2761
Clipped output waveform
Excessive input signal
in conventional System
without NJM2761
Apply the NJM2761
Optimized signal level
without clipping
LIN
ATT
LOUT
RIN
ATT
ROUT
33
P.17
Audio Limiter
 GENERAL DESCRIPTION
The NJM2761 is the audio limiter for speaker protection.
It includes input level detector and attenuator for volume
control at excessive input signal. The limit level is adjustable
by external resistor.
It is suitable for audio equipments processing wide
dynamic range signal or using small speakers with narrow
dynamic range.
NJM2761
 PACKAGE OUTLINE
NJM2761RB2
 BLOCK DIAGRAM
Vcc
 FEATURES
 Operating Voltage
 Limit Level
 Output Noise
 Bipolar Technology
 Package Outline
2.7 to 13V
0.2 to 1Vrms
-90dBV
Vref
INa
OUTa
INb
OUTb
TVSP10
SW
INT
SENSE
34
Band Pass Filters
for Spectrum Analyzer
35
Application Example
NJM2760
Power Amp
EVR
mC
V+
BPF4
DE T
BPF3
DE T
BPF2
DE T
BPF1
DE T
GND
A/D
VFD/LCD
Driver
DE T
NJM2760
36
P.18
NJM2760
Band Pass Filters for Spectrum Analyzer
 GENERAL DESCRIPTION
The NJM2760 is a Band Pass Filters for Spectrum
Analyzer.
It includes 4-band BPF amplifier, 4-band detector and
recording level indicator output.
It works perfectly with 3.3V operated micro controller.
It is suitable for level meter of audio components.
 FEATURES
 Operating Voltage
2.7 to 9V
 4-BPF + Detector
 Recording Level Indicator
 Low Offset Voltage
5mV typ.
 Adjustable Input Sensitivity
 Bipolar Technology
 Package Outline
SSOP20
 PACKAGE OUTLINE
NJM2760V
 BLOCK DIAGRAM
5.6kΩ
10kΩ
22nF
V+
6.8kΩ
47nF
BPF
4.7nF
BPF4 out
DET
1μF
1μF
BPF
BPF3 out
DET
1μF
200kΩ
L in
R in
200kΩ
BPF
BPF2 out
DET
1μF
1μF
BPF
BPF1 out
DET
1μF
200kΩ
200kΩ
REC out
DET
1μF
1μF
GND
470pF
37
38