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HA12209F PDF даташит

Спецификация HA12209F изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)».

Детали детали

Номер произв HA12209F
Описание Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HA12209F Даташит, Описание, Даташиты
HA12209F
Audio Signal Processor for Cassette Deck
(Dolby B-type NR with Recording System)
ADE-207-221A (Z)
2nd Edition
Jun. 1999
Description
HA12209F is silicon monolithic bipolar IC providing Dolby noise reduction system*, music sensor system,
REC equalizer system and each electronic control switch in one chip.
Functions
Dolby B-NR × 2 channel
REC equalizer × 2 channel
Music sensor × 1 channel
Each electronic control switch to change REC equalizer, bias, etc.
Features
REC equalizer is very small number of external parts and have 4 types of frequency characteristics
built-in.
2 types of input for PB, 1 type of input for REC.
70µ-PB equalizer changing system built-in.
Dolby NR with dubbing double cassette decks.
Unprocessed signal output available from recording out terminals during PB mode.
Provide stable music sensor system, available to design music sensing time and level.
Controllable from direct micro-computer output.
Bias oscillator control switch built-in.
NR ON/OFF and REC/PB fully electronic control switching built-in.
Normal-speed/high-speed, TYPE I/TYPE II and PB equalizer fully electronic control switching built-in.
Available to reduce substrate-area because of high integration and small external parts.
* 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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HA12209F Даташит, Описание, Даташиты
HA12209F
Ordering Information
Standard Level
Product Package
HA12209F FP-56
PB-OUT Level REC-OUT Level Dolby Level
580mVrms
300mVrms
300mVrms
Operating Voltage
Min Max
10V 15V
Function
Product
Dolby B-NR
REC-EQ
Music Sensor
REC/PB Selection
HA12209F
Note:
Depending on the employed REC/PB head and test tape characteristics, there is a rare case that the
REC-EQ characteristics of this LSI can not be matched to the required characteristics because of
built-in resistors which determined the REC-EQ parameters in this case, please inquire the
responsible agent because the adjustment of built-in resistor is necessary.
Rev.2, Jun. 1999, page 2 of 49









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HA12209F Даташит, Описание, Даташиты
HA12209F
Pin Description, Equivalent Circuit (VCC=12V, Ta=25°C, No signal, The value in the
table show typical value.)
Pin No. Pin Name
52 AIN (R)
Note
Equivalent Circuit
V=V /2
CC
Pin Description
PB A deck input
48 AIN (L)
54 BIN (R)
45 BIN (L)
56 RIN (R)
44 RIN (L)
6 EQIN (R)
37 EQIN (L)
4
DET (R)
V = 2.6V
V
100k
VCC/2
VCC
PB B deck input
REC input
REC equalizer
input
Time constant
pin for Dolby-NR
V
39 DET (L)
49 RIP
V = VCC / 2
1
BIAS1
V = 0.6V
GND
Ripple filter
Dolby bias
current input
42
BIAS2
V = 1.3V
V
V
GND
REC equalizer
bias current input
GND
Rev.2, Jun. 1999, page 3 of 49










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