NJM2700 [NJRC]
SRS WOW AUDIO PROCESSOR; SRS WOW音频处理器
| 型号： | NJM2700 |
| 厂家： | 
NEW JAPAN RADIO |
| 描述： | SRS WOW AUDIO PROCESSOR |
| 文件： | 总19页 (文件大小：210K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
NJM2700
PRELIMINARY
SRS WOW AUDIO PROCESSOR
■PACKAGE OUTLINE
■GENERAL DESCRIPTION
The NJM2700 is a SRS WOW audio processor,
based on the technology of SRS Labs, Inc.
The NJM2700 reproduces wide and clear sound. In
addition, it provides rich bass sound.
The NJM2700 is suitable for speaker system for
personal computer, TV, CD radio-cassette, portable
audio equipment, and others.
NJM2700L
NJM2700G
■FEATURES
NJM2700FJ1
■Operating Voltage
4.7 to 13V
■WOW Function
■Punch Control for TruBass effect
■Width Control for SRS 3D Stereo effect
■Bypass Function (Through)
■Internal Mode Switch
■Bipolar Technology
■Package Outline
SDIP42, SOP40, QFP48
The WOW technology right incorporated in the NJM2700 are owned by SRS Labs, a U.S. Corporation and licensed to
New Japan Radio Co., Ltd. WOW is protected under U.S. and foreign patents issued and/or pending. WOW and the
, are trademarks of SRS Labs, Inc. in the United States and selected foreign countries. Neither the purchase of the
NJM2700, nor the corresponding sale of audio enhancement equipment conveys the right to sell commercialized
recordings made with any SRS technology.
SRS Labs requires that all users of the NJM2700 must enter into a license agreement directly with SRS Labs if the
royalty is not included in the purchase price. SRS Labs also requires any users to comply with all rules and regulations as
outlined in the SRS Trademark Usage Manual.
For further information, please contact:
SRS Labs, Inc.
2909 Daimler Street. Santa Ana, CA 92705 USA
Tel:914-442-1070
Fax:914-852-1099
http://www.srslabs.com
-1-
NJM2700
■PIN FUNCTION (SDIP42)
1. C3
15. C2
29. BASSOUT
30. OUTR
31. OUTL
32. TP3
1
2
3
4
5
6
7
8
9
42
41
40
39
38
36
35
34
33
32
31
30
29
28
27
26
25
24
24
23
22
2. C4
16. SFIL1
17. SFIL2
18. SFIL3
19. SVOL2
20. SVOL1
21. GND
3. FILOUT
4. FIL1
5. FIL2
6. FIL3
7. FIL4
8. FIL5
9. FIL6
10. FIL7
11. TP1
12. PCOUT
13. PCIN
14. C1
33. FFR4
34. FFR3
35. FFR2
36. FFR1
37. FFL4
38. FFL3
39. FFL2
40. FFL1
41. INR
22. V+
10
11
12
13
14
15
16
17
18
19
20
21
23. VREFIN
24. VREF
25. MODE3
26. MODE2
27. MODE1
28. TP2
42. INL
■PIN FUNCTION (SOP40)
1. C3
15. SEL1
29. OUTR
30. OUTL
31. FFR4
32. FFR3
33. FFR2
34. FFR1
35. FFL4
36. FFL3
37. FFL2
38. FFL1
39. INR
1
40
2. C4
16. SFIL2
17. SFIL3
18. SVOL2
19. SVOL1
20. GND
2
3
39
38
3. FILOUT
4. FIL1
5. FIL2
6. FIL3
7. FIL4
8. FIL5
9. FIL6
10. FIL7
11. PCOUT
12. PCIN
13. C1
4
5
36
35
6
34
33
7
8
32
21. V+
9
31
30
22. VREFIN
23. VREF
24. MODE3
25. MODE2
26. MODE2
27. TP2
10
11
29
28
12
13
27
26
14
40. INL
15
16
25
24
14. C2
28. BASSOUT
17
18
24
23
19
20
22
21
-2-
NJM2700
■PIN FUNCTION (QFP48)
36
37
25
24
48
1
13
12
1. NC
17. SVOL1
18. GND
19. V+
33. FFR2
34. FFR1
35. FFL4
36. NC
2. FIL3
3. FIL4
4. FIL5
20. VREFIN
21. VREF
22. MODE3
23. MODE2
24. NC
5. FIL6
37. NC
6. FIL7
38. FFL3
39. FFL2
40. FFL1
41. INR
42. INL
7. PCOUT
8. PCIN
9. C1
25. NC
10. C2
26. MODE1
27. TP2
11. SFIL2
12. NC
43. C3
28. BASSOUT
29. OUTR
44. C4
13. NC
45. FILOUT
46. FIL1
47. FIL2
48. NC
14. SFIL2
15. SFIL3
16. SVOL2
30. OUTL
31
32
FFR4
FFR3
-3-
NJM2700
■BLOCK DIAGRAM (SDIP42)
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
MODE
L
L
H
MODE2
H
MODE3
H
FOCUS
TruBass
3D Stereo
L
L
-1
H
L
R
MODE1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
■BLOCK DIAGRAM (SOP40)
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
MODE
L
L
H
MODE2
H
MODE3
H
FOCUS
TruBass
3D Stereo
L
L
-1
H
L
R
MODE1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
-4-
NJM2700
■BLOCK DIAGRAM (QFP48)
36
35
34
33
32
31
30
29
28
27
26
25
NC
37
38
24 NC
23 MODE2
MODE3
FFL3
MODE
FOCUS
FFL2 39
22
FFL1
INR
INL
40
41
42
21 VREF
20 VREFIN
19 V+
L
R
H
+
+
-1
L
+
H
+
+
L
+
MODE3
H
MODE1
+
+
+
C3 43
C4 44
18
17
GND
L
L+R
SVOL1
−
FILOUT
45
46
47
16 SVOL2
15 SFIL3
14 SFIL2
L-R
MODE2
H
FIL1
FIL2
3D
Stereo
TruBass
L
NC 48
13
NC
1
2
3
4
5
6
7
8
9
10
11
12
-5-
NJM2700
■ABSOLUTE MAXIMUM RATING (Ta=25°C)
PARAMETER
Supply Voltage
SYMBOL
V+
RATING
15
UNIT
V
(SDIP42) 700
(SOP40) 700
(QFP48) 450
-40 to+85
Power Dissipation
PD
mW
Operating Temperature Range
Storage Temperature Range
Topr
Tstg
°C
°C
-40 to +125
■ELECTRICAL CHARACTERISTICS ( V+=12V, Ta=25°C, VIN=-20dBV (=0.1Vrms), Speaker Size :Medium)
TEST CONDITION
PARAMETER SYMBOL
MIN
TYP
MAX
UNIT
INPUT
PUNCH
VR
WIDTH
VR
MODE
-
OUTPUT
L
R
Operating
V+
-
-
-
-
-
4.7
12.0
13.0
V
mA
V
Voltage
Operating
Current
ICC
-
-
-
-
-
-
BYPASS
WOW
-
-
-
-
8.7
8.7
17.4
17.4
26.1
26.1
No
Signal
Reference
Voltage
Maximum
Input
VREF
VIM
V+/2
-
-
-
-
5.8
6.0
6.2
-
f=1kHz
THD=3%
VIN
-
-
L
R
10.0
(3.2)
12.0
(4.0)
BYPASS
-
-
VIN
Voltage
f=100Hz
THD=3%
VIN
VIN
VIN
VIN
L
R
-2.7
(0.73)
MAX
-
-
-
-
-
-
-
-
-
-
TruBass
f=125Hz
THD=3%
VIN
-
-
L
R
0.5
(1.1)
3D-
STEREO
-
-
MAX
MAX
VIN
f=125Hz
THD=3%
VIN
VIN
-VIN
-VIN
L
R
-5.5
(0.53)
dBV
(Vrms)
3D-
STEREO
f=10kHz
THD=3%
VIN
-
-
L
R
-5.8
(0.51)
-3.8
(0.65)
MAX MAX
MAX MAX
MAX MAX
WOW
WOW
VIN
f=100Hz
THD=3%
VIN
VIN
VIN
VIN
L
R
-5.0
(0.56)
-3.0
(0.71)
f=10kHz
THD=3%
VIN
VIN
-VIN
-VIN
L
R
-10.9
(0.29)
-8.9
(0.36)
WOW
Output Noise
VNO
Rg=0Ω
A-Weighted
L
R
-110
(3)
-100
(10)
0
0
0
0
0
0
0
0
BYPASS
TruBass
-
MAX
-
-
-
-
-
-
-
Rg=0Ω
A-Weighted
L
R
-80
(100)
-
-
dBV
(µVrms)
Rg=0Ω
A-Weighted
L
R
-95
(18)
3D-
STEREO
MAX
Rg=0Ω
A-Weighted
L
R
-80
(100)
-75
(180)
MAX MAX
WOW
-6-
NJM2700
■ELECTRICAL CHARACTERISTICS ( V+=12V, Ta=25°C, VIN=-20dBV (=0.1Vrms), Speaker Size :Medium)
TEST CONDITION
PARAMETER SYMBOL
MIN
TYP
MAX
UNIT
INPUT
PUNCH
VR
WIDTH
VR
MODE
OUTPUT
L
R
Total
Harmonic
Distortion
THD
VIN
-
-
L
R
f=1kHz
BYPASS
TruBass
-
MAX
-
-
-
-
0.005
0.1
0.01
-
VIN
VIN
VIN
VIN
VIN
L
R
f=100Hz
f=1kHz
-
%
VIIN
-
-
L
R
3D-
STEREO
MAX
-
0.1
-
VIN
VIN
-
-
L
R
f=1kHz
MAX MAX
-
0.1
1.0
1.0
16.8
5.7
13.4
2.5
17.8
17.9
WOW
BYPASS
TruBass
TruBass
VIN
BYPASS Gain
SRS Gain
GVBYP
VIN
-
-
L
R
f=1kHz
-
MAX
MIN
-
-
-
-1.0
12.8
-2.3
9.4
-1.5
13.8
13.9
0.0
dB
VIN
GSRS
VIN
VIN
VIN
VIN
L
R
f=100Hz
f=100Hz
f=125Hz
f=125Hz
f=100Hz
f=10kHz
14.8
1.7
VIN
VIN
VIN
VIN
L
R
-
VIN
-
-
L
R
3D-
STEREO
MAX
MIN
11.4
0.5
VIN
dB
VIN
-
-
L
R
3D-
STEREO
-
VIN
VIN
-
-
L
R
MAX MAX
MAX MAX
15.8
15.9
WOW
WOW
VIN
VIN
-
-
L
R
VIN
MODE Select
Control
Voltage
VMODE
2.0
0.0
-
-
V+
VIN=High Level
VIN=Low Level
V
0.7
■MODE SELECT FUNCTION
MODE
BYPASS
TruBass
3D-STEREO
WOW
MODE1 MODE2 MODE3
L
L
L
L
H
L
L
L
H
H
H
H
-7-
NJM2700
■PIN DESCRIPTION
No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
VOLTAGE
SDIP42
SOP40
V+
V+
1
1
C3
Filter
PUNCH Control VR
Filter
13
34
38
12
32
36
PCIN
FFR3
FFR1
V+/2
Filter
V+
V+
2
5
2
5
C4
FIL2
Filter
Filter
V+/2
19
18
SVOL2
WIDTH Control VR
V+
V+
V+
3
3
FILOUT
VREF
BASSOUT
OUTR
OUTL
FFR1
Filter
Reference Voltage Output
TruBass Output
Rch Output
24
29
30
31
36
40
23
28
29
30
34
38
V+/2
Lch Output
Filter
Filter
FFL1
V+
V+
V+
4
4
FIL1
Filter
V+/2
VREF
-8-
NJM2700
■PIN DESCRIPTION
No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
VOLTAGE
SDIP42
SOP40
V+
V+
6
7
6
7
FIL3
FIL4
Filter
Filter
9
9
FIL5
Filter
12
20
33
37
11
19
31
35
PCOUT
SVOL1
FFR4
FFL4
PUNCH Control VR
WIDTH Control VR
Filter
V+/2
V+/2
-
Filter
V+
V+
V+
8
10
8
10
FIL5
FIL7
Filter
Filter
150
11
28
32
-
27
-
TP1
TP2
TP3
Test Pin
Test Pin
Test Pin
V+
V+
V+
14
13
C1
Filter
0V
-9-
NJM2700
■PIN DESCRIPTION
No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
VOLTAGE
SDIP42
SOP40
V+
V+
V+
15
14
C2
Filter
0V
V+
V+
16
17
18
15
16
17
SFIL1
SFIL2
SFIL3
Filter
Filter
Filter
V+/2
21
20
GND
GND
0V
22
21
V+
Power Supply
V+
-10-
NJM2700
■PIN DESCRIPTION
No.
SYMBOL
FUNCTION
EQUIVALENT CIRCUIT
VOLTAGE
SDIP42
SOP40
V+
V+
V+
Reference Voltage Input
23
22
VREFIN
V+/2
V+
V+
V+
25
26
27
24
25
26
MODE3
MODE2
MODE1
Mode3 SW
Mode2 SW
Mode1 SW
0V
150
V+
V+
35
39
33
37
FFR2
FFL2
Filter
Filter
V+/2
VREF
V+
V+
V+
41
42
39
40
INR
INL
Rch Input
Lch Input
V+/2
150
VREF
-11-
NJM2700
■APPLICATION CIRCUIT (SDIP42)
VREF
0.1u
0.1u
0.1u
0.1u
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
NJM2700
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
MAX
R3
R6
220p
10kB
MIN
VREF
MIN 10kBMAX
PUNCH VR
WIDTH VR
VREF
VREF
SPEAKER SIZE
MEDIUM
LARGE
SMALL
(TruBass mode only)
R1
R2
R3
R4
R5
R6
56.2k
13k
158k
37.4k
8.87k
107k
21k
3.09k
42k
37.4k
8.87k
107k
21k
3.09k
42k
22.1k
2.32k
32k
The standard setting of speaker size is as follows.(Reference)
• Large Mode : fo ≤ 80Hz
• Medium Mode : 80Hz < fo ≤ 150Hz
• Small Mode : 150Hz < fo ≤ 250Hz
-12-
NJM2700
■APPLICATION CIRCUIT (SOP40)
VREF
0.1u
0.1u
0.1u
0.1u
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
NJM2700
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
MAX
R3
R6
220p
10kB
MIN
VREF
MIN 10kBMAX
PUNCH VR
WIDTH VR
VREF
VREF
SPEAKER SIZE
MEDIUM
LARGE
SMALL
(TruBass mode only)
R1
R2
R3
R4
R5
R6
56.2k
13k
158k
37.4k
8.87k
107k
21k
3.09k
42k
37.4k
8.87k
107k
21k
3.09k
42k
22.1k
2.32k
32k
The standard setting of speaker size is as follows.(Reference)
• Large Mode : fo ≤ 80Hz
• Medium Mode : 80Hz < fo ≤ 150Hz
• Small Mode : 150Hz < fo ≤ 250Hz
-13-
NJM2700
■APPLICATION CIRCUIT (QFP48)
0.1u
0.1u
34 33
0.1u
32 31
36
35
30
29
28
27
26
25
NC
NC
37
38
39
40
41
42
43
44
45
46
47
48
24
23
22
21
20
19
18
17
16
15
14
13
MODE2
MODE3
VREF
10k
10k
10u
10u
0.1u
Rch IN
Lch IN
10u
10u
10u
NJM2700
0.1u
0.01u
MAX
10kB
MIN
WIDTH VR
0.47u
0.1u
NC
0.01u
NC
0.33u
1
2
3
4
5
6
7
8
9
10
11
12
MAX
R3
R6
10kB
MIN
VREF
PUNCH VR
VREF
VREF
SPEAKER SIZE
MEDIUM
LARGE
SMALL
(TruBass mode only)
R1
56.2k
13k
158k
37.4k
8.87k
107k
21k
3.09k
42k
37.4k
8.87k
107k
21k
3.09k
42k
22.1k
2.32k
32k
R2
R3
R4
R5
R6
The standard setting of speaker size is as follows.(Reference)
• Large Mode : fo ≤ 80Hz
• Medium Mode : 80Hz < fo ≤ 150Hz
• Small Mode : 150Hz < fo ≤ 250Hz
-14-
NJM2700
■APPLICATION CIRCUIT 2 (SDIP42)
VREF
0.1u
0.1u
0.1u
0.1u
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
NJM2700
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
MAX
130k
82k
220p
10kB
MIN
VREF
MIN 10kBMAX
PUNCH VR
WIDTH VR
VREF
VREF
C1
C2
C3 to C8
0.12
40Hz Setting
60Hz Setting
100Hz Setting
150Hz Setting
200Hz Setting
250Hz Setting
300Hz Setting
400Hz Setting
0.22
0.15
0.1
0.068
0.047
0.039
0.033
0.022
0.022
0.015
0.01
0.0068
0.0047
0.0039
0.0033
0.0022
0.082
0.047
0.033
0.027
0.022
0.018
0.012
Unit: µF
•Speaker Size Setting
Choose speaker size in accordance with fo of the speaker.
(EX.) In the case of fo= 250Hz: 250Hz Setting.
Decide it after you confirm effect with the actual application.
-15-
NJM2700
■APPLICATION CIRCUIT 2 (SOP40)
VREF
0.1u
0.1u
0.1u
0.1u
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
NJM2700
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
MAX
130k
82k
220p
10kB
MIN
VREF
MIN 10kBMAX
PUNCH VR
WIDTH VR
VREF
VREF
C1
0.22
0.15
C2
C3 to C8
0.12
40Hz Setting
60Hz Setting
0.022
0.015
0.01
0.0068
0.0047
0.0039
0.0033
0.0022
0.082
0.047
0.033
0.027
0.022
0.018
0.012
100Hz Setting
150Hz Setting
200Hz Setting
250Hz Setting
300Hz Setting
400Hz Setting
0.1
0.068
0.047
0.039
0.033
0.022
Unit: µF
•Speaker Size Setting
Choose speaker size in accordance with fo of the speaker.
(EX.) In the case of fo= 250Hz: 250Hz Setting.
Decide it after you confirm effect with the actual application.
-16-
NJM2700
■APPLICATION CIRCUIT 2 (QFP48)
0.1u
0.1u
34 33
0.1u
32 31
36
35
30
29
28
27
26
25
NC
NC
37
38
39
40
41
42
43
44
45
46
47
48
24
23
22
21
20
19
18
17
16
15
14
13
MODE2
10k
10u
10u
MODE3
10k
0.1u
VREF
Rch IN
Lch IN
10u
10u
C1
10u
NJM2700
MAX
10kB
MIN
C2
WIDTH VR
0.47u
0.33u
C3
0.01u
NC
NC
1
2
3
4
5
6
7
8
9
10
11
12
MAX
130k
82k
10kB
MIN
VREF
PUNCH VR
VREF
VREF
C1
0.22
0.15
0.1
0.068
0.047
0.039
0.033
0.022
C2
C3 to C8
0.12
40Hz Setting
60Hz Setting
0.022
0.015
0.01
0.0068
0.0047
0.0039
0.0033
0.0022
0.082
0.047
0.033
0.027
0.022
0.018
0.012
100Hz Setting
150Hz Setting
200Hz Setting
250Hz Setting
300Hz Setting
400Hz Setting
Unit: µF
•Speaker Size Setting
Choose speaker size in accordance with fo of the speaker.
(EX.) In the case of fo= 250Hz: 250Hz Setting.
Decide it after you confirm effect with the actual application.
-17-
NJM2700
■TYPICAL CHARACTERISTICS
NJM2700 Gain Structure
NJM2700 Gain Structure
BYPASS Mode
Conditions Vin=-12.2dBV(245mVrms),V+=12V
TruBass Mode
Conditions Vin=-12.2dBV(245mVrms) Lch,Vout=Lch,V+=12V
：
：
Speaker Size:Large
15
10
5
15
10
5
a
a, b
0
0
b
-5
-5
-10
-10
20
50 100 200
500 1k
2k
5k
10k 20k
20
50 100 200
500 1k
2k
5k
10k 20k
Frequency(Hz)
Frequency(Hz)
a: Lin – Lout
b: Lin – Rout
a: PUNCH VR MAX
b: PUNCH VR MIN
NJM2700 Gain Structure
NJM2700 Gain Structure
TruBass Mode
TruBass Mode
Conditions Vin=-12.2dBV(245mVrms) Lch,Vout=Lch,V+=12V
Conditions Vin=-12.2dBV(245mVrms) Lch,Vout=LchV+=12V
：
：
Speaker Size:Medium
Speaker Size:Small
15
10
5
15
10
5
a
a
0
0
b
b
-5
-5
-10
-10
20
50 100 200
500 1k
2k
5k
10k 20k
20
50 100 200
500 1k
2k
5k
10k 20k
Frequency(Hz)
Frequency(Hz)
a: PUNCH VR MAX
b: PUNCH VR MIN
a: PUNCH VR MAX
b: PUNCH VR MIN
-18-
NJM2700
■TYPICAL CHARACTERISTICS
NJM2700 Gain Structure
NJM2700 Gain Structure
WOW Mode
WOW Mode
Conditions Vin=-12.2dBV(245mVrms) Lch,Vout=Lch,V+=12V
Conditions Vin=-12.2dBV(245mVrms) Lch,Vout=Lch,V+=12V
：
：
Speaker Size:Large
Speaker Size:Medium
20
15
10
5
20
15
10
5
a
a
c
c
b
b
d
0
0
d
-5
-5
20
50 100 200
500 1k
2k
5k
10k 20k
20
50 100 200
500 1k
2k
5k
10k 20k
Frequency(Hz)
Frequency(Hz)
a: PUNCH VR MAX,
b: PUNCH VR MAX,
c: PUNCH VR MIN,
d: PUNCH VR MIN,
WIDTH VR MAX
WIDTH VR MIN
WIDTH VR MAX
WIDTH VR MIN
a: PUNCH VR MAX,
b: PUNCH VR MAX,
c: PUNCH VR MIN,
d: PUNCH VR MIN,
WIDTH VR MAX
WIDTH VR MIN
WIDTH VR MAX
WIDTH VR MIN
NJM2700 Gain Structure
3D Stereo Mode
Conditions Vin=-12.2dBV(245mVrms),V+=12V
：
WIDTH VR:MAX
20
15
10
5
a
b
0
-5
20
50 100 200
500 1k
2k
5k
10k 20k
Frequency(Hz)
a: Lin – Lout
b: Lin – Rout
[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.
-19-
相关型号：
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