an12918a Panasonic Corporation of North America, an12918a Datasheet - Page 30
an12918a
Manufacturer Part Number
an12918a
Description
Dsc???????????? Avio
Manufacturer
Panasonic Corporation of North America
Datasheet
1.AN12918A.pdf
(36 pages)
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AN12918A
No.
Pin
B6
A6
B5
A5
6. 入出力部の回路図および端子機能の説明 (つづき)
注) 下記特性は設計上の参考値であり, 保証値ではありません。
技術資料 (つづき)
Pad
No.
26
27
28
29
AC –14.3 dBS
AC –10.8 dBS
AC –42.8 dBS
AGC OFF時
DC 約0.3 V
DC 約0.7 V
波形・電圧
AGC ON時
AGC入力
再生入力
REC出力
DET端子
DC 1.4 V
DC 1.4 V
DC 1.4 V
E3 (14)
E3 (14)
E3 (14)
VSS
VSS
B6
26
VSS
E3 (14)
VSS
VREF
A6
27
B5
28
A5
29
71.49k
28.51k
内部回路
11.85k
1k
VREF
VCC_A
C6 (25)
GND
A4 (31)
C6 (25)
66k
VCC_A
8.15k
1 k
SDB00166AJB
C6 (25)
VCC_A
VREF
インピーダンス
インピーダンス
インピーダンス
インピーダンス
= 50 Ω以下
= 100 kΩ
= 66 kΩ
入力
出力
入力
―
再生系音声入力端子
記録系の音声出力端子
Cカット後に, 後段のADCに接
続されます
記録AGCの検波端子
両波整流後PEAK検波します。検
波されたB5端子のDC電圧により
AGCの可変抵抗本体の減衰量を制
御します。
記録系音声AGC入力端子
説明
30
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