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Электронный компонент: HA12142NT

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HA12141NT, HA12142NT, HA12170NT,
HA12161FP, HA12162FP
Dolby B- and C-Type Noise Reduction System
ADE-207-036B (Z)
3rd Edition
Jun. 1999
Description
HA12141/142NT, HA12170NT, HA12161/162FP are silicon monolithic bipolar IC series providing dual
channel Dolby B- and C-type noise reduction* in one chip.
Functions
Dual Dolby B/C-type NR processor
NR OFF/B/C control switch
MPX by-pass / Encode / Decode (MPX OFF / REC / PB) control switch
MPX Filter Drive Circuit
Features
Low external parts count
R-C spectrum skewing network using passive component
External capacitors are E-3 series (small values)
Several time constant capacitors built into the IC
Separate REC/PB input and output. Unprocessed signal output available in the encode and decode
modes.
Common PCB pattern is available with HA12134A series (Dolby B NR), because these ICs offer
similar pin layout.
3 type PB-out level (300 mV, 580 mV, 775 mV)
2 type package (DP-30S, FP-28D)
Wide range of operating supply voltage (7.5 V to 16 V)
*
Dolby is a trademark of Dolby Laboratories Licensing Corporation.
A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Rev.3, Jun. 1999, page 2 of 63
Ordering Information
Type No.
Package
Dolby Level PB-OUT Level
REC-OUT Level
Remark
HA12141NT
DP-30S
300 m Vrms 300 m Vrms
300 m Vrms
--
HA12142NT
DP-30S
300 m Vrms 580 m Vrms
300 m Vrms
--
HA12170NT
DP-30S
300 m Vrms 775 m Vrms
300 m Vrms
--
HA12161FP
FP-28D
300 m Vrms 300 m Vrms
--
PB-mode only
HA12162FP
FP-28D
300 m Vrms 580 m Vrms
--
Notes: 1. The common specifications are shown below.
REC-IN Level
PB-IN Level
IA-OUT Level (REC)
IA-OUT Level (PB)
42.9 mVrms
30.0 mVrms
429 mVrms
300 mVrms
2. The values listed above show approximate values to be offered Dolby Level at TP.
Absolute Maximum Ratings (Ta = 25C, unless otherwise specified)
Item
Symbol
Rating
Unit
Note
Supply voltage
V
CC
max
16
V
Power dissipation
P
D
400
mW
Ta
85C
Operating temperature
Topr
40 to +85
C
Storage temperature
Tstg
55 to +125
C
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Rev.3, Jun. 1999, page 3 of 63
Electrical Characteristics (HA12141NT, HA12142NT, HA12170NT) (Ta = 25C,
V
CC
= Vopr-typ, unless otherwise specified)
(Dolby Level = 300 mVrms at TP (REC-mode: TP2, TP4 PB-mode: TP1, TP3))
Test conditions
Item
Symbol
Min
Typ
Max
Unit R/P
NR
f (Hz)
Operating
HA12141NT Vopr
7.5
12.0
16.0
V
--
--
--
voltage
HA12142NT
9.5
12.0
16.0
V
HA12170NT
12.0
14.0
16.0
V
Quiescent current
I
CC
--
12.0
--
mA
R
OFF --
No signal
Input amp gain
Gv
(IA REC)
18.0
20.0
22.0
dB
R
OFF 1 k
Vin = 0dB
Gv (IA PB) 18.0
20.0
22.0
dB
P
OFF 1 k
Btype NR
B-ENC-2 k 2.8
4.3
5.8
dB
R
B
2 k
Vin = 20dB
Encode boost
B-ENC-5 k 1.7
3.2
4.7
dB
R
B
5 k
Vin = 20dB
CType NR
C-ENC-1 k
(1)
3.9
5.9
7.9
dB
R
C
1 k
Vin = 20dB
Encode boost
C-ENC-1 k
(2)
18.1
19.6
21.6
dB
R
C
1 k
Vin = 60dB
C-ENC-
700
9.8
11.8
13.8
dB
R
C
700
Vin = 30dB
Signal
HA12141NT Vomax
12.0
13.0
--
dB
R
OFF 1 k
THD = 1%
V
CC
= 7.5V
handling
HA12142NT
12.0
13.0
--
dB
V
CC
= 9.5V
HA12170NT
12.0
13.0
--
dB
V
CC
= 12V
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Rev.3, Jun. 1999, page 4 of 63
Electrical Characteristics (Ta = 25C, V
CC
= Vopr-typ, unless otherwise specified)
(Dolby Level = 300 mVrms at TP (REC-mode: TP2, TP4 PB-mode: TP1, TP3)) (cont)
Test conditions
Item
Symbol
Min
Typ
Max
Unit R/P
NR
f (Hz)
Signal to noise ratio
S/N (REC) 60.0
64.0
--
dB
R
C
--
Rg = 5.1k
CCIR/ARM
Total harmonic distortion THD (OFF) --
0.03
0.15
%
R
OFF 1 k
Vin = 0dB
THD (C)
--
0.09
0.3
%
R
C
1 k
Vin = 0dB
NR OFF frequency
response
FR-OFF
3.0
0.0
+3.0
dB
P
OFF 100 k
Vin = 0dB
Crosstalk between
CT (R
P) --
80.0
--
dB
P
OFF 1 k
Vin = 0dB
REC-PB
CT (P
R) --
80.0
--
dB
R
OFF 1 k
Crosstalk between
CT (L
R) --
85.0
--
dB
R
OFF 1 k
Vin = 0dB
channel
CT (R
L) --
85.0
--
dB
Control voltage for MPX
OFF/REC/PB
Vcont
(MPX)
V
CC
1
--
V
CC
V
Vcont
(REC)
2.5
--
V
CC
2
+
0.5 V
Vcont (PB) 0.0
--
0.4
V
Control voltage for NR
C/B OFF
Vcont (C)
V
CC
2
+
3
--
V
CC
V
Vcont (B)
V
CC
2
0.5 --
V
CC
2
+
0.5 V
Vcont
(OFF)
0.0
--
V
CC
2
3
V
PB-OUT
HA12141NT Vout
250
300
350
mVrms R
OFF 1 k
Vin = 0dB
level
HA12142NT
490
580
670
mVrms
HA12170NT
646
775
904
mVrms
REC-OUT offset
Voffset
70
0.0
70
mV
R
OFF
C
--
V
CC
= 16V
No signal
Channel balance
Gv
1.0
0.0
1.0
DB
R
OFF 1 k
Vin = 0dB
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Rev.3, Jun. 1999, page 5 of 63
Electrical Characteristics (HA12161FP, HA12162FP) (Ta = 25C, V
CC
= 12 V, Unless
otherwise specified)
(Dolby Level = 300 mVrms at TP (PB-mode: TP1, TP3))
Test conditions
Item
Symbol
Min
Typ
Max
Unit P/AUX NR
f (Hz)
Operating
HA12161FP Vopr
7.5
12.0
16.0
V
--
--
--
voltage
HA12162FP
9.5
12.0
16.0
V
Quiescent current
I
CC
--
12.0
--
mA
P
OFF --
No signal
Input amp gain
Gv
(IA AUX 1)
18.0
20.0
22.0
dB
AUX1 OFF 1 k
Vin = 0dB
Gv (IA PB) 18.0
20.0
22.0
dB
P
OFF 1 k
B-type NR
B-DEC-2 k 5.8
4.3
2.8
dB
P
B
2 k
Vout = 20dB
decode cut
B-DEC-5 k 4.7
3.2
1.7
dB
P
B
5 k
Vout = 20dB
C-Type NR
decode cut
C-DEC-1 k
(1)
7.9
5.9
3.9
dB
P
C
1 k
Vout = 20dB
C-DEC-1 k
(2)
21.6
19.6
18.1
dB
P
C
1 k
Vout = 60dB
Signal
HA12161FP Vomax
12.0
13.0
--
dB
P
OFF 1 k
THD = 1%
V
CC
= 7.5V
handling
HA12162FP
12.0
13.0
--
dB
V
CC
= 9.5V
Signal to noise ratio
S/N (PB)
70.0
76.0
--
dB
P
OFF --
Rg = 10k
CCIR/ARM
Total harmonic distortion THD (OFF) --
0.03
0.15
%
P
OFF 1 k
Vin = 0dB
THD (C)
--
0.09
0.3
%
P
C
1 k
Vin = 0dB
NR OFF frequency
response
FR-OFF
4.0
1.0
+3.0
dB
P
OFF 100 k
Vin = 0dB
Crosstalk
between AUX 1
PB
CT (AUX
1
PB)
--
80.0
--
dB
P
OFF 1 k
Vin = 0dB
Crosstalk
CT (L
R) --
85.0
--
dB
P
OFF 1 k
Vin = 12dB
between channel
CT (R
L) --
85.0
--
dB