NJM2186 Datasheet, PDF (1/11 Pages) New Japan Radio – DOLBY S-TYPE NOISE REDUCTION PROCESSOR

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
32
RECT INTG NL
RECT INTG NL
50
31
51
30
RECT INTG NL
RECT INTG NL
MC
TO RECT
52
29
53
28
HHF filter
LHF filter
54
27
HHS filter
LHS filter
55
HLF filter
RECT INTG NL
26
56
Bch
25
BIAS
57
Ach
24
58
HLF filter
RECT INTG NL
23
HHS filter
LHS filter
59
22
HHF filter
LHF filter
60
21
61
20
TO RECT
RECT INTG NL
RECT INTG NL
MC
62
19
63
18
RECT INTG NL
RECT INTG NL
64
17
ANTSAT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
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