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參數(shù)資料
| 型號： | HA12231FP |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Audio Signal Processor for Car Deck (PB 1 Chip) |
| 中文描述： | 音頻信號處理器為汽車甲板（鉛1片） |
| 文件頁數(shù)： | 9/25頁 |
| 文件大小： | 132K |
| 代理商： | HA12231FP |
HA12231FP
9
Operating Mode Control
HA12231FP 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
8, 9, 10
0.2 to 1.0
3.5 to V
CC
V
Input Pin
Measure
V
Table 3
Switching Truth Table
Pin No.
Pin Name
120
/70
Low
High
8
120
μ
(Normal)
70
μ
(Metal or Chrome)
9
Mute
FOR
/REV
Mute OFF
Mute ON
10
Notes: 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.
Forward
Reverse
Input Pin
1 to 22
μ
F
MPU
10 to 22 k
+
Figure 2 Interface for Reduction of Pop Noise
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相關代理商/技術參數(shù) |
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| HA12232 | 制造商:HITACHI 制造商全稱:Hitachi Semiconductor 功能描述:Audio Signal Pre-Amp. for Car Deck |
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