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參數(shù)資料
| 型號(hào)： | HA12226F |
| 廠商： | Hitachi,Ltd. |
| 英文描述： | Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System) |
| 中文描述： | 音頻信號(hào)處理器卡座（杜比B型錄音系統(tǒng)星期日） |
| 文件頁(yè)數(shù)： | 11/86頁(yè) |
| 文件大?。?/td> | 491K |
| 代理商： | HA12226F |
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HA12226F/HA12227F
Rev.6, Dec. 2000, page 11 of 86
Operating Mode Control
The HA12226F/HA12227F provide fully electronic switching circuits. And each operating mode control is
controlled by parallel data (DC voltage).
Table 2
Control Voltage
Pin No.
Lo
Mid
Hi
Unit
Test Condition
15, 16, 17, 18, 20,
22, 23*
4
, 25
0.2 to 1.0
4.0 to V
CC
V
Input Pin
Measure
19, 24
Notes: 1. Each pins are on pulled down with 100 k
internal resistor.
Therefore, it will be low-level when each pins are open.
But pin 24 is mid-level when it is open.
2. Over shoot level and under shoot level of input signal must be the standardized (High: V
CC
,
Low:
0.2 V).
3. For reduction of pop noise, connect 1
μ
F to 22
μ
F capacitor with mode control pins.
But it is impossible to reduce completely in regard to Line mute, therefore, use external mute at
the same time.
4. Non connection regarding the HA12227F.
0.2 to 1.0
2.0 to 3.0
4.0 to V
CC
V
Input Block Diagram and Level Diagram
AIN
BIN
Note: 1. The HA12227F is not built-in Dolby B-NR.
RECOUT
300mVrms
REC
PASS
300mVrms
300mVrms
300mVrms
300mVrms
21.3dB
0dB
PBOUT
580mVrms
RIN
200mVrms
25.5mVrms
The each level shown above is typical value
when offering PBOUT level to PBOUT pin.
25.9mVrms
C2
4700pF
C1
0.1
μ
F
R1
15k
R2
2.2k
C3
0.1
μ
F
R4
15k
R3
12k
REC
PB
PB/REC,
PASS=0dB/21.4dB
PB
PASS
PASS/REC,
PB=5.7dB/5.7dB
MS
REF
70
μ
s
FLAT
μ
)
Dolby
B-NR
*
1
ALC
Figure 2 Input Block Diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HA12228F | Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
| HA12229F | Audio Signal Processor for Car Deck(Decode only Dolby B-type NR with PB Amp.) |
| HA12230 | Audio Signal Processor for Cassette Deck |
| HA12230NT | Audio Signal Processor for Cassette Deck |
| HA12231 | Audio Signal Processor for Car Deck (PB 1 Chip) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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.) |
| HA12228F/HA12229F | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| HA12229F | 制造商:RENESAS 制造商全稱:Renesas Technology Corp 功能描述:Audio Signal Processor for Car Deck (Decode only Dolby B-type NR* with PB Amp.) |
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