參數(shù)資料
型號: HA12229F
廠商: Hitachi,Ltd.
英文描述: Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.)
中文描述: 音頻信號處理器。為汽車甲板(只解碼杜比B型鉛放大器星期日)
文件頁數(shù): 11/51頁
文件大?。?/td> 304K
代理商: HA12229F
HA12228F/HA12229F
Rev.2, Dec. 2000, page 11 of 51
Table 3
Switching Truth Table
Pin No.
Pin Name
Lo
Hi
17
Forward/Reverse
Forward
Reverse
18
Search/Repeat
Search (FF or REV)
Repeat (Normal speed)
19
120
μ
/70
μ
MUTE ON/OFF
70
μ
(Metal or Chrome)
MUTE-OFF
120
μ
(Normal)
MUTE-ON
20
21*
Notes: *
NR ON/OFF
NR-OFF
NR-ON
Non connection regarding HA12229F.
1. Each pins are on pulled down with 100 k
internal resistor.
Therefore, it will be low-level when each pins are open.
2. Over shoot level and under shoot level of input signal must be the standardized.
(High: V
CC
, Low: –0.2 V)
3. Reducing pop noise is so much better for 10 k
to 22 k
resisitor and 1
μ
F to 22
μ
F capacitor
shown figure 2.
Input Pin
1 to 22
μ
F
MPU
10 to 22k
+
Figure 2 Interface for Reduction of Pop Noise
相關(guān)PDF資料
PDF描述
HA12230 Audio Signal Processor for Cassette Deck
HA12230NT Audio Signal Processor for Cassette Deck
HA12231 Audio Signal Processor for Car Deck (PB 1 Chip)
HA12231FP Audio Signal Processor for Car Deck (PB 1 Chip)
HA12232 Audio Signal Pre-Amp. for Car Deck
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參數(shù)描述
HA12230 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck
HA12230NT 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck
HA12231 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck (PB 1 Chip)
HA12231FP 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck (PB 1 Chip)
HA12232 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Pre-Amp. for Car Deck