JRC NJM2186FG1 Datasheet
DOLBY S-TYPE NOISE REDUCTION PROCESSOR
GENERAL DISCRIPTION
■■■■
The
processor. It applies to stereo system on 1 chip because it
includes dual channel circuit.
The
operation, and it also performs enc oding operation by connecting
two external operational amplifiers.
The feature of minimum operating voltage from 7.5V(V
±
(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.
■■■■
NJM2186
NJM2186
is a stereo Dolby S-type noise reduction
contains all of necessary block for decoding
3.75V)is most suitable for car audio applications.
FEATURES
●
Operating Voltage ( +7.5 or ±3.75 V min )
●
Dolby Level (-6dBm=388mVrms)
●
Stereo system on 1 chip
●
Few external parts
●
Bipolar Technology
●
Package Outline TQFP64
+/V-
PACKAGE OUTLINE
■■■■
=
NJM2186
P R E L I M I N A R Y
NJM2186FG1
BLOCK DIAGRAM
■■■■
36
37
INTG NLRECT
INTG NLRECT
INTG NLRECT
HLF filter
HLF filter
38
39
404142434445464748 33
49
50
51
52
53
54
55
56
57
58
59
60
61
62
HHF filter
HHS filter
BIAS
HHS filter
HHF filter
ANTSAT
INTG NLRECT
LHF filter
LHS filter
Bch
Ach
LHS filter
LHF filter
34
35
32
31
30
MCINTG NLRECT INTG NLRECT
TO RECT
TO RECT
29
28
27
26
25
24
23
22
21
20
MCINTG NLRECT INTG NLRECT
19
63
64
ANTSAT
4
321 16
6
5
7
INTG NLRECT
INTG NLRECT
11
151413121098
18
17
- 1 -
NJM2186
ABSOLUTES MAXIMUM RATIN GS
■■■■
Parameter Symbol Rates Unit
Supply Voltage
Power Dissipation P
Operating Temperature T
Storage Temperature T
ELECTRICAL CHARACTERISTICS
■■■■
(Ta=25°C V
+/V-
=±6,0dBd Reference is 388mVrms/400Hz,unless otherwise specified)
Parameter Symbol Test Conditions Min. Typ. Max. Unit
Supply Voltage
Range
Supply Current I
Encode Response1
V+
+/V-
)
(V
CC
ENC-1 f=2kHz, Vin=-60dBd 21.8 23.3 24.8
2 ENC-2 f=50Hz, Vin=-40dBd 5.8 7.3 8.8
3 ENC-3 f=400Hz, Vin=-40dBd 15.1 16.6 18.1
4 ENC-4 f=15kHz, Vin=-40dBd 11.3 12.8 14.3
5 ENC-5 f=400Hz, Vin=-20dBd 6.0 7.5 9.0
6 ENC-6 f=2kHz, Vin=-20dBd 4.2 5.7 7.2
7 ENC-7 f=50Hz, Vin=0dBd -3.1 -1.6 -0.1
8 ENC-8 f=15kHz, Vin=0dBd -8.3 -6.8 -5.3
Signal Handling
Total Harmonic
Distortion
SH1 f=1kHz, THD=1%, V+=7.5V 12.0 13.0 SH2 f=1kHz, THD=1%, V
THD f=1kHz, Vin=0dBd - 0.05 0.15 %
S/N Ratio S/N
Separation SEP Vin=0dBd 60.0 72.0 - dB
(Ta=25°C,unless otherwise specified))
-
V+
(V+/V)
D
OPR
stg
14.0
(±7)
700 mW
-40 to +85
-40 to +125
V
°
C
°
C
7.5
(±3.75)
12.0
(±6)
13.0
(±6.5)
No Signal - 20 30 mA
+
=9.5V 15.0 16.0 -
Rg=600Ω, CCIR/ARM
62.0 65.0 - dB
V
dB
dB
- 2 -
PIN FUNCTION
■■■■
NJM2186
FBOLB
HLSMPB
FBOHB
SCINHB
LFINB
DNC
I
REF
DNC
V
DNC
LFINA
SCINHA
FBOHA
HLSMPA
FBOLA
HLSOUTB
SCBOLB
SCINLB
48
49
+
64
1
RECOUTB
ANTSATB
TCL1B
TCL2B
NJM2186
TCS2LB
TCS1LB
TCS1HB
TCS2HB
TCF1LB
TCF2LB
TCF2HB
TCF1HB
DNC
33
32
17
16
MCBOB
MC3INB
MC4INB
MCTCB
ZL1B
ZL2B
V
B
REF
-
V
DNC
V
A
REF
ZL2A
ZL1A
MCTCA
MC4INA
MC3INA
MCBOA
HLSOUT
SCINA
SCBOLA
RECOUT A
TCL1A
TCL2A
TCS1LA
TCS2LA
TCS1HA
TCS2HA
TCF1LA
TCF2LA
TCF2HA
TCF1HA
ANTSATA
DNC
DNC: Do not connect
A
No. Symbol No. Symbol No. Symbol No. Symbol
1 HLSOUTA 17 MCBOA 33 DNC 49 FBOLB
2 SCINA 18 MC3INA 34 TCF2HB 50 HLSMPB
3 SCBOLA 19 MC4INA 35 TCF1HB 51 FBOHB
4 ANTSATA 20 MCTCA 36 TCF2LB 52 SCINHB
5 RECOUTA 21 ZL1A 37 TCF1LB 53 LFINB
6 TCL1A 22 ZL2A 38 TCS2HB 54 DNC
7 TCL2A 23 V
8 TCS1LA 24 DNC 40 TCS2LB 56 DNC
9 TCS2LA 25 V
10 TCS1HA 26 V
A39TCS1HB55 I
REF
-
B 42 TCL2B 58 DNC
REF
41 TCS1LB 57 V
REF
+
11 TCS2HA 27 ZL2B 43 TCL1B 59 DNC
12 TCF1LA 28 ZL1B 44 RECOUTB 60 LFINA
13 TCF2LA 29 MCTCB 45 ANTSATA 61 SCINHA
14 TCF1HA 30 MC4INB 46 SCBOLB 62 FBOHA
15 TCF2HA 31 MC3INB 47 SCINLB 63 HLSMPA
16 DNC 32 MCBOB 48 HLSOUTB 64 FBOLA
- 3 -
NJM2186
PIN FUNCTION
■■■■
No. SYMBOL FUNCTION EQUIVALENT CURCUIT
1
48
HLSOUTA
HLSOUTB
H Stage Out Ach
H Stage Out Bch
2
47
61
52
3
46
SCINLA
SCINLB
SCINHA
SCINHB
SCBOLA
SCBOLB
L Side Chane In Ach
L Side Chane In Bch
HH Side Chane Ach
HH Side Chane Bch
L Side Chane Buffer Out Ach
L Side Chane Buffer Out Bch
45
- 4 -
4
ANTSATA
ANTSATB
Anti-Saturation Ach
Anti-Saturation Bch
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