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Спецификация HA12231FP изготовлена «Hitachi Semiconductor» и имеет функцию, называемую «Audio Signal Processor for Car Deck (PB 1 Chip)». |
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Детали детали
Номер произв | HA12231FP |
Описание | Audio Signal Processor for Car Deck (PB 1 Chip) |
Производители | Hitachi Semiconductor |
логотип |
25 Pages
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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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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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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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Номер в каталоге | Описание | Производители |
HA12231FP | Audio Signal Processor for Car Deck (PB 1 Chip) | Hitachi Semiconductor |
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