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NJM2700
User Manual
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JRC NJM2700 User Manual

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NJM2700
SRS WOW AUDIO PROCESSOR
■■■■GENERAL DESCRIPTION
The NJM2700 is a SRS WOW audio processor, based on the technology of SRS Labs, Inc.
The NJM2700 reproduces wide and clear soun d. In
addition, it provides rich bass sound.
The NJM2700 is suitable for speaker system fo personal computer, TV, CD radio-cassette, portable audio equipment, and others.
■■■■FEATURES
●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. S RS 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. S RS Labs also requires any us ers t o comply with all rul es and regulati ons 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
■■■■PACKAGE OUTLINE
NJM2700FJ1
PRELIMINAR
NJM2700G
-1-
NJM2700
■■■■PIN FUNCTION (SDIP42)
10 11 12 13 14 15 16 17 18 19 20 21
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
1. C3 15. C2 29. BASSOUT
2. C4 16. SFIL1 30. OUTR
3. FILOUT 17. SFIL2 31. OUTL
4. FIL1 18. SFIL3 32. TP3
5. FIL2 19. SVOL2 33. FFR4
6. FIL3 20. SVOL1 34. FFR3
7. FIL4 21. GND 35. FFR2
8. FIL5 22. V+ 36. FFR1
9. FIL6 23. VREFIN 37. FFL4
10. FIL7 24. VREF 38. FFL3
11. TP1 25. MODE3 39. FFL2
12. PCOUT 26. MODE2 40. FFL1
13. PCIN 27. MODE1 41. INR
14. C1 28. TP2 42. INL
■PIN FUNCTION (SOP40)
1 2
3 4
5 6 7
8 9
10 11
12 13
14 15
16 17
18 19
20
40 39
38 36
35 34
33 32 31
30 29
28 27
26 25
24 24
23 22
21
1. C3 15. SEL1 29. OUTR
2. C4 16. SFIL2 30. OUTL
3. FILOUT 17. SFIL3 31. FFR4
4. FIL1 18. SVOL2 32. FFR3
5. FIL2 19. SVOL1 33. FFR2
6. FIL3 20. GND 34. FFR1
7. FIL4 21. V+ 35. FFL4
8. FIL5 22. VREFIN 36. FFL3
9. FIL6 23. VREF 37. FFL2
10. FIL7 24. MODE3 38. FFL1
11. PCOUT 25. MODE2 39. INR
12. PCIN 26. MODE2 40. INL
13. C1 27. TP2
14. C2 28. BASSOUT
-2-
■PIN FUNCTION (QFP48)
NJM2700
25 36
37
48
24
13
1 12
1. NC 17. SVOL1 33. FFR2
2. FIL3 18. GND 34. FFR1
3. FIL4 19. V+ 35. FFL4
4. FIL5 20. VREFIN 36. NC
5. FIL6 21. VREF 37. NC
6. FIL7 22. MODE3 38. FFL3
7. PCOUT 23. MODE2 39. FFL2
8. PCIN 24. NC 40. FFL1
9. C1 25. NC 41. INR
10. C2 26. MODE1 42. INL
11. SFIL2 27. TP2 43. C3
12. NC 28. BASSOUT 44. C4
13. NC 29. OUTR 45. FILOUT
14. SFIL2 30. OUTL 46. FIL1
15. SFIL3 31 FFR4 47. FIL2
16. SVOL2 32 FFR3 48. NC
-3-
T 7
T
T 7
T 3
NJM2700
■■■■BLOCK DIAGRAM (SDIP42)
INL
INR
FFL1
FFL2
42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
FOCUS
FFL3
FFL4
FFR1
FFR2
FFR3
FFR4
TP3
OUTL
OUTR
BASSOUT
MODE1
MODE2
MODE3
VREF
VREFIN
TP2
V+
MODE
L
L
H
MODE2 MODE3
TruBass 3D Stereo
H
R
L
HH
LL
-1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
C3
C4
FIL1
FILOU
■■■■BLOCK DIAGRAM (SOP40)
INL
INR
FFL1
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22
FOCUS
MODE1
FIL2
FIL3FIL4FIL5FIL6FIL
FFL2
FFL3
FFL4
L
L
H
TP1
PCIN
PCOU
FFR1
FFR2
FFR3
FFR4
OUTL
OUTR
BASSOUT
MODE2 MODE3
TruBass 3D St ereo
HH
LL
C1
C2
SFIL1
SFIL2
SFIL3
SVOL2
MODE1
MODE2
MODE3
TP2
VREF
GND
SVOL1
VREFIN
V+
21
MODE
-1
H
R
L
MODE1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
C3
C4
FIL1
FIL2FIL3FIL4FIL5FIL6FIL
FILOU
PCOU
C1
PCIN
C2
SFIL1
SFIL2
SFIL
SVOL2
GND
SVOL1
-4-
■■■■BLOCK DIAGRAM (QFP48)
NC FFL4
36 35 34 33 32 31 30 29 28 27 26 25
NC
37
FFL3
38
FOCUS
39
INR
INL
C3
C4
40
41
42
43
44
FFL2
FFL1
NJM2700
FFR1
L
R
MODE1
L+R
FFR2
FFR3
H
L
H
L
+
+
FFR4
OUTL
+
+
+
+
+
−
BASSOUT
OUTR
+
+
-1
TP2
MODE
MODE3
NC
MODE1
NC
24
23
MODE2
22
MODE3
21
VREF
20
VREFIN
19
18
17
V+
GND
SVOL1
H
L
FILOUT
FIL1
FIL2
NC
45
MODE2
46
TruBass
47
48
1
2
3
4
NC
FIL3
FIL4
FIL5
H
L
5
6
FIL6
FIL7
L-R
3D
Stereo
7
8
9
PCIN
PCOUT
10 11 12
C1 C2
SFIL1
NC
16
15
14
13
SVOL2
SFIL3
SFIL2
NC
-5-
NJM2700
■■■■ABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER SYMBOL RATING UNIT
Supply Voltage V+ 15 V
(SDIP42) 700
Power Dissipation PD Operating T e mperature Range T
Storage Temperature Range T
■■■■ELECTRICAL CHARACTERISTICS ( V
PARAMETER SYMBOL
Operating Voltage Operating
+
V
- - - - - - 4.7 12.0 13.0 V
ICC
Current
Reference Voltage Maximum
V
V+/2 - - - - 5.8 6.0 6.2 V
REF
V
IM
Input Voltage
No Signal
f=1kHz THD=3%
INPUT
L R
- - - BYPASS - - 8.7 17.4 26.1
- - - WOW - - 8.7 17.4 26.1
V
IN
- - V
-40 to+85
opr
-40 to +125
stg
+
=12V, Ta = 25 °C, VIN=-20dBV (=0.1Vrms), Speaker Size :Medium)
TEST CONDITION
IN
(SOP40) 700 (QFP48) 450
OUTPUT
L
BYPASS - -
R
MODE
PUNCH
VR
mW
°C °C
WIDTH
VR
MIN TYP MAX UNIT
10.0 (3.2)
12.0 (4.0)
mA
-
Output Noise VNO
f=100Hz THD=3%
f=125Hz THD=3%
f=125Hz THD=3%
f=10kHz THD=3%
f=100Hz THD=3%
f=10kHz THD=3%
Rg=0Ω A-Weighted
Rg=0Ω A-Weighted
Rg=0Ω A-Weighted
V
V
IN
IN
VIN
V
IN
V
IN
- - V
IN
V
IN
VIN
V
IN
- - V
V
IN
VIN
V
IN
VIN
-V
-V
V V
-V
-V
IN
L R
IN
IN
IN IN
IN
L R
IN
0 0
0 0
0 0
L
TruBass
R
L
R
3D-
STEREO
3D-
STEREO
L
R
L
R
WO W
WO W
WO W
L
BYPASS - - -
R
L
TruBass
R
L
R
3D-
STEREO
MAX - -
- MAX -
- MAX -
MAX MAX
MAX MAX
MAX MAX
MAX - -
- MAX -
-5.8
(0.51)
-5.0
(0.56)
-10.9 (0.29)
-2.7
(0.73)
0.5
(1.1)
-5.5
(0.53)
-3.8
(0.65)
-3.0
(0.71)
-8.9
(0.36)
-110
(3)
-80
(100)
-95 (18)
-
-
-
-
-
-
-100 (10)
-
-
dBV
(Vrms)
dBV
(µVrms)
Rg=0Ω A-Weighted
0 0
L
R
WO W
MAX MAX -
-80
(100)
-75
(180)
-6-
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