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HA12135A PDF даташит

Спецификация HA12135A изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Dolby B-Type Noise Reduction System».

Детали детали

Номер произв HA12135A
Описание Dolby B-Type Noise Reduction System
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HA12135A Даташит, Описание, Даташиты
HA12134A, HA12135A, HA12136A
Dolby B-Type Noise Reduction System
ADE-207-016B (Z)
3rd Edition
Jun. 1999
Description
The HA12134A, HA12135A, HA12136A are silicon monolithic bipolar IC series providing dual channel
Dolby B-type noise reduction system* in one chip. The circuit is used primarily to reduce the level of
background noise introduced during recording and playback of audio signals on magnetic tape.
HA12134A series provide the following functions and features.
Functions
Dual Dolby B-type NR processor
NR ON/OFF control switch.
Record (encode)/playback (decode) control switch.
Features
Separate record/playback input and output.
Unprocessed signal output available in the encode and decode modes.
Reduction of external components count.
Small capacitor value for the reference voltage.
NR ON/OFF switching and REC/PB switching are provided internally.
2-type package (DP-16, FP-16DA)
Wide range of operating supply voltage.
* Dolby is a trademark of Dolby Laboratories Licensing Corporation.
A license from Dolby Laboratories Licensing Corporation is required for the use of this IC.









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HA12135A Даташит, Описание, Даташиты
HA12134A, HA12135A, HA12136A
Ordering Information
Type No
HA12134A
HA12134AF
HA12135A
HA12135AF
HA12136A
HA12136AF
Dolby Level (mVrms)
300
450
580
Package
DP-16
FP-16DA
DP-16
FP-16DA
DP-16
FP-16DA
Block Diagram
REC IN
16
GND PB IN
15 14
BIAS REC/PB PB OUT DET REC OUT
18 k
13
22 k
12
11
0.22 µ
10 9
BIAS
SW
BUF
AMP
SW
BUF
AMP
SIDE
CHAIN
SIDE
CHAIN
12
REC IN V CC
34 5 6
+ + 22 k
1 µ 22 µ
78
0.22 µ
PB IN
V REF NR
ON/OFF
PB OUT DET REC OUT
Rev.3, Jun. 1999, page 2 of 27









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HA12135A Даташит, Описание, Даташиты
HA12134A, HA12135A, HA12136A
Absolute Maximum Ratings (Ta = 25°C, Unless otherwise specified.)
Item
Supply voltage
Power dissipation
Operating temperature
Storage temperature
Lead temperature
Note: 1. Soldering 10 sec.
Symbol
Vccmax
Pd
Topr
Tstg
TI
Rating
16
250
–40 to +85
–55 to +125
260
Unit
V
mW
°C
°C
°C
Note
Ta 85°C
Note 1
Rev.3, Jun. 1999, page 3 of 27










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Номер в каталогеОписаниеПроизводители
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Hitachi Semiconductor
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