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| 型號(hào)： | HA12155NT |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System) |
| 中文描述： | 音頻信號(hào)處理器（杜比B / C型與錄音系統(tǒng)星期日的盒式收錄機(jī)） |
| 文件頁(yè)數(shù)： | 4/57頁(yè) |
| 文件大?。?/td> | 463K |
| 代理商： | HA12155NT |
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HA12155NT/HA12157NT
Rev.4, Jun. 1997, page 4 of 57
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage
V
CC
Pd
16
V
Power dissipation*1
770
mW
Operating temperature
Topr
–30 to +75
°C
Storage temperature
Note:
1. Value at Ta
≤
75°C
Tstg
–55 to +125
°C
Electrical Characteristics
(Ta = 25°C V
CC
= 14 V Dolby level 300 mVrms)
Item
Symbol
Min
Typ
Max
Unit
Test conditions
Notes
Quiescent current
I
Q
G
VIA
RPI
G
VIA
PBI
—
29.0
37.0
mA
no signal
Input amp gain
18.5
20.0
21.5
dB
Vin = 0 dB, f = 1 kHz
18.5
20.0
21.5
B-type NR Encode Boost B-ENC-2K
2.8
4.3
5.8
dB
Vin = –20 dB, f = 2 kHz
B-ENC-5K
1.7
3.2
4.7
Vin = –20 dB, f = 5 kHz
C-type NR Encode Boost C-ENC-1K(1)
3.9
5.9
7.9
dB
Vin = –20 dB, f = 1 kHz
C-ENC-1K(2)
18.1
19.6
21.6
Vin = –60 dB, f = 1 kHz
C-ENC-700
9.8
11.8
13.8
Vin = –30 dB, f = 700 Hz
Signal handling
Vomax
12.0
13.0
—
dB
f = 1 kHz, THD = 1%,
V
CC
= 12 V
Rg = 5.1 k
, CCIR/ARM
Vin = 0 dB, f = 1 kHz
*1
Signal to noise ratio
S/N
60.0
63.0
—
dB
Total harmonic distortion
THD
C
T
(R
L)
C
T
(RPI
PBI) —
C
T
(VRI
RPI) —
V
cH
V
cL
V
sH
V
sL
Vout
—
0.08
0.3
%
Crosstalk
—
–85.0 –79.0 dB
Vin = 0 dB, f = 1 kHz
–80.0 –74.0
–77.0 –71.0
Control
Hi level
3.5
—
5.3
V
MPX ON/OFF, NR
voltage
Lo level
–0.2
—
1.0
ON/OFF C-NR/B-NR
Serial data
Hi level
3.5
—
5.3
V
CLK, DATA, STB
voltage
Lo level
–0.2
—
1.0
PB-out level
HA12155
500
580
670
mVrms Vin = 0 dB, f = 1 kHz
HA12157
665
775
900
PB-offset
Vofs
–100
0.0
+100 mV
no signal
Channel balance
G
V
G
VVR (MAX)
G
VVR (MIN)
–1.0
0.0
1.0
dB
Vin = 0 dB, f = 1 kHz
Volume gain
17.5
19.3
21.5
dB
Vin = 100 mVrms, f =1 kHz
—
—
–55.0
Vin = 3 Vrms, f = 1 kHz
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PDF描述 |
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| HA12157NT | Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA12155NT/HA12157NT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HA12157NT | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck (Dolby B/C-type NR with Recording System) |
| HA12159 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit |
| HA12160 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck and Cassette Deck (Dolby B-type NR with PB Amp) |
| HA12161FP | 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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