參數資料
型號: HA12141
廠商: Hitachi,Ltd.
英文描述: Dolby B- and C-Type Noise Reduction System
中文描述: 杜比B和C型降噪系統(tǒng)
文件頁數: 3/63頁
文件大小: 392K
代理商: HA12141
HA12141NT, HA12142NT, HA12170NT, HA12161FP, HA12162FP
Rev.3, Jun. 1999, page 3 of 63
Electrical Characteristics
(HA12141NT, HA12142NT, HA12170NT) (Ta = 25°C,
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
B–type 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
C–Type 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
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相關代理商/技術參數
參數描述
HA12141NT 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dolby B- and C-Type Noise Reduction System
HA12142NT 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Dolby B- and C-Type Noise Reduction System
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