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參數(shù)資料
| 型號： | LA3246 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 音頻放大器 |
| 英文描述： | Stereo Preamplifier for Compact Double Cassette Playback-only Use |
| 中文描述： | 立體聲放大器的緊湊型雙卡式播放，僅使用 |
| 文件頁數(shù)： | 3/13頁 |
| 文件大?。?/td> | 441K |
| 代理商： | LA3246 |
Test Circuit
Sample Application Circuit
Note 1. The output frequency characteristic for Nor Tape/High speed mode (pin 6: High, pin 15: Low) and that for Metal
Tape/Nor speed mode (pin 6: Low, pin 15: Low) are set to be the same.
2. Since the input bias current flows out of pins 1, 2 and pins 19, 20, a resistor (recommended value: 30 k
to 350 k
,
maximum value: 500 k
) must be connected a coupling capacitor in series with these pins.
3. *: A capacitor must be connected to the input to absorb a surge.
4. The electronic select switching level is approximately 1/2
×
(V
CC
–0.9).
5. The value of the capacitor connected to pin 12 can be increased/decreased to adjust starting time t
s
at the time of
application of V
CC
. (C = 100 μF, t
s
= 0.4 s.) If the capacitor value is made less than 47 μF, the ripple rejection will get
worse.
6. No capacitor is connected to pin 13. (Even if connected, the ripple can not be rejected.)
7. Extreme caution should be exercised when handling the IC as it is subject to dielectric breakdown.
Unit (resistance:
, capacitance: F)
LA3246
No.2651-3/13
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