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參數(shù)資料
| 型號(hào)： | HA12223F |
| 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(hào)處理器。為汽車甲板（解碼杜比乙只用PB安培型降噪） |
| 文件頁(yè)數(shù)： | 9/53頁(yè) |
| 文件大小： | 343K |
| 代理商： | HA12223F |
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HA12216F/HA12221F Series
Rev.6, Dec. 2000, page 9 of 53
Operating Mode Control
HA12216F/HA12221F series provides fully electronic switching circuits. And each operating mode control
are controlled by parallel data (DC voltage).
When a power supply of this IC is cut off, for a voltage, in addition to a mode control terminal even though
as do not destruct it, in series for resistance.
Table 2
Threshold Voltage (V
TH
)
Pin No.
Lo
Hi
Unit
Test Condition
10, 11*, 12, 13, 14
–0.2 to 1.0
3.5 to V
CC
V
Input Pin
Measure
V
Note:
*
Non connection regarding HA12221F series.
Table 3
Switching Truth Table
Pin No.
Lo
Hi
10
TAPE
RADIO
11*
NR OFF
120
μ
(Normal)
FORWARD
NR ON
70
μ
(Metal or Chrome)
REVERSE
12
13
14
Notes: *
SER (FF or REV)
REP (Normal Speed)
Non connection regarding HA12221F series.
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
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HA12226 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| HA12226F | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| HA12226F/HA12227F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HA12227F | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| HA12228F | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
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