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PDF NJM2186 Data sheet ( Hoja de datos )
| Número de pieza | NJM2186 | |
| Descripción | DOLBY S-TYPE NOISE REDUCTION PROCESSOR | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJM2186 (archivo pdf) en la parte inferior de esta página. Total 11 Páginas | ||
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NJM2186
PRELIMINARY
DOLBY S-TYPE NOISE REDUCTION PROCESSOR
sGENERAL DISCRIPTION
The NJM2186 is a stereo Dolby S-type noise reduction
processor. It applies to stereo system on 1 chip because it
includes dual channel circuit.
The NJM2186 contains all of necessary block for decoding
operation, and it also performs encoding operation by connecting
two external operational amplifiers.
The feature of minimum operating voltage from 7.5V(V+/V- =
±3.75V)is most suitable for car audio applications.
sPACKAGE OUTLINE
(NOTE) Dolby and double-D symbol are trademarks of Dolby Laboratories Licensing Corporation.
San Francisco, CA94103-4813. USA.
This device is available only to licensees of Dolby Lab.
Licensing and application information may be obtained from Dolby Lab.
NJM2186FG1
sFEATURES
qOperating Voltage
( +7.5 or ±3.75 V min )
qDolby Level
(-6dBm=388mVrms)
qStereo system on 1 chip
qFew external parts
qBipolar Technology
qPackage Outline
TQFP64
sBLOCK DIAGRAM
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
ANTSAT
49
RECT INTG NL
RECT INTG NL
50
51
RECT INTG NL
RECT INTG NL
MC
TO RECT
52
53
HHF filter
54
HHS filter
55
56
BIAS
57
58
HHS filter
59
HHF filter
60
61
62
LHF filter
LHS filter
LHS filter
LHF filter
HLF filter
Bch
Ach
HLF filter
RECT INTG NL
RECT INTG NL
RECT INTG NL
RECT INTG NL
TO RECT
MC
63
RECT INTG NL
RECT INTG NL
64
ANTSAT
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
-1-
1 page  
sPIN FUNCTION
No. SYMBOL
5 RECOUTA
44 RECOUTB
FUNCTION
Encoder Out Ach
Encoder Out Bch
NJM2186
EQUIVALENT CURCUIT
6 TCL1A
43 TCL1B
HL Time Constant 1 Ach
HLF Time Constant 1 Bch
7 TCL2A
42 TCL2B
HL Time Constant 2 Ach
HLF Time Constant 2 Bch
8 TCS1LA
41 TCS1LB
10 TCS1HA
39 TCS1HB
LHS Time Constant 1 Ach
LHS Time Constant 1 Bch
HHS Time Constant 1 Ach
HHS Time Constant 1 Bch
-5-
5 Page 
sCHARACTERISTICS
20
10
0
-10
-20
-30
-40
-50
-60
10
Encode Responce
+10dB
0dB
-10dB
-20dB
-30dB
-40dB
-50dB
-60dB
100 1k 10k 100k
f (Hz)
Operating Current vs. Operating Voltage
40
35
30
25
20
15
10
5
0
7 8 9 10 11 12 13
V+ (V)
14
NJM2186
20
18
16
14
10KHz
100Hz
12 1KHz
10
7
10
Signal Handling
8 9 10 11
V+ (V)
Total Harmonic Distortion
12
1
100Hz
0.1
10KHz
1KHz
0.01
-10
-5
0
5 10 15 20
Vo (dB)
[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
- 11 -
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet NJM2186.PDF ] | |
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