參數(shù)資料
型號(hào): HA12227F
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): 17/86頁(yè)
文件大小: 491K
代理商: HA12227F
HA12226F/HA12227F
Rev.6, Dec. 2000, page 17 of 86
R1
15k
C2
0.1
μ
RIN
ROUT
300mV
8
C4
R2
2.2k
25.5mV
21.4dB
ALC
56
55
ALC
ALCDET
V
CC
ALCIN
R12
C12
Output
Input
13
9
+
Figure 12 ALC Block Diagram
ALC Operation Level Necessary
ALC operation level is variable to pin 12 bias (ALC-CAL: 0 to 5 V), and its range is
±
4.0 dB.
Unnecessary, pin 12 is unforced.
RIN
R
ALC-CAL = 5V
ALC-CAL = 0V
Figure 13 ALC-CAL Characteristics
About a Test Pin
(Pin 2)
The HA12227F does for testing exclusive terminal for pin 2.
In mount circuit, this terminal is open or connected to GND with a resistor of 33 k
.
相關(guān)PDF資料
PDF描述
HA12226F Audio Signal Processor for Cassette Deck(Dolby B-type NR with Recording System)
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.)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HA12228F 制造商:HITACHI 制造商全稱(chēng):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(chēng):未知廠家 功能描述:
HA12229F 制造商:RENESAS 制造商全稱(chēng):Renesas Technology Corp 功能描述:Audio Signal Processor for Car Deck (Decode only Dolby B-type NR* with PB Amp.)
HA12230 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck
HA12230NT 制造商:HITACHI 制造商全稱(chēng):Hitachi Semiconductor 功能描述:Audio Signal Processor for Cassette Deck