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HA12231 PDF даташит

Спецификация HA12231 изготовлена ​​​​«Hitachi Semiconductor» и имеет функцию, называемую «Audio Signal Processor for Car Deck (PB 1 Chip)».

Детали детали

Номер произв HA12231
Описание Audio Signal Processor for Car Deck (PB 1 Chip)
Производители Hitachi Semiconductor
логотип Hitachi Semiconductor логотип 

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HA12231 Даташит, Описание, Даташиты
HA12231FP
Audio Signal Processor for Car Deck (PB 1 Chip)
ADE-207-327A (Z)
2nd Edition
Jan. 2001
Description
HA12231FP is silicon monolithic bipolar IC providing PB equalizer system and music sensor system in
one chip.
Functions
PB equalizer × 2 channel
Music sensor × 1 channel
Line amp. × 2 channel
Line mute × 2 channel
Features
No use external parts for PB equalizer. (Fixed characteristics built-in)
Available to change music sensing level by external resistor.
Available to change frequency response of music sensor by external capacitor.
Different type of PB equalizer characteristics selection (120 µs/70 µs) is available.
Line mute ON/OFF is avalable.
This IC is strong for a cellular phone noise.
Ordering Information
Product
HA12231FP
Package
FP-20DA
PBOUT-Level
450 mVrms
Functions
PB-EQ
r
Music Sensor
r
Mute
r









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HA12231 Даташит, Описание, Даташиты
HA12231FP
Pin Description, Equivalent Circuit (VCC = 9 V, A system of single supply voltage,
Ta = 25°C, No Signal, The value in the table shows typical value.)
Pin No. Pin Name
16 TAI(L)
Note
V = VCC/2
Equivalent Circuit
Description
Tape input
5 TAI(R)
14 RIP
V = VCC/2
V
100 k
VCC/2
VCC Ripple filter
V
13
MS DET
V = VCC
GND
Time constant pin for rectifier
15 PBOUT(L) V = VCC/2
V
6 PBOUT(R)
1 VREF V = VCC/2
V
17 EQOUT(L) V = VCC/2
4 EQOUT(R)
Note: MS: Music Sensor
2
GND
VCC
PB output
GND
VCC Reference output
GND
Equalizer output (120 µ)









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HA12231 Даташит, Описание, Даташиты
HA12231FP
Pin Description, Equivalent Circuit (VCC = 9 V, A system of single supply voltage,
Ta = 25°C, No Signal, The value in the table shows typical value.) (cont.)
Pin No.
11
19
Pin Name
VCC
FIN(L)
Note
Equivalent Circuit
Description
Power supply
Equalizer input
18 RIN(L)
3 RIN(R)
2 FIN(R)
9 Mute
V
Mode control input
10 FOR/REV
8 120/70
12 MS
22 k
100 k
GND
MS VCC
I
MS output (to MPU) *
7
MS GV
V = VCC/2
20 GND
Note: MS: Music Sensor
200 100 k
D GND
V
90 k
MS gain pin *
GND pin
3










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