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參數(shù)資料
| 型號(hào)： | LA2806M |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Signal Processor and Power Amplifier IC for Telephone Answering Machines |
| 中文描述： | 信號(hào)處理器和功放的IC電話答錄機(jī) |
| 文件頁(yè)數(shù)： | 8/11頁(yè) |
| 文件大?。?/td> | 177K |
| 代理商： | LA2806M |
4)
If the IC is used near the maximum ratings, even a slight variation in conditions may cause the maximum ratings to be
exceeded, thereby leading to breakdown. Allow an ample margin of variation for supply voltage etc. and use the IC in the
range where the maximum ratings are not exceeded. exceeded.
5)
Short Circuits Between Pins
The circuit board should be examined for short circuits between pins before initial power-up to prevent damage to the device
when voltage is applied.
6)
Short-circuit Load
Short circuiting the LA2806M output for an extended period while the power is on can damage the device.
7)
Playback Amplifier and Preamplifier Feedback Resistance
As the playback amplifier and preamplifier employ a zero-bias method, the amplifier’s output DC level (V
ODC
) is determined
by the feedback resistance (R
NF
) and the NF pin sink current (Ii = 15 μA).
V
ODC
= V
BE
+ R
NF
×
Ii
V
BE
6
0.7 V
A feedback resistance of 100 k
is recommended for both the playback amplifier and the preamplifier to provide an output
DC level with sufficient output dynamic range.
LA2806M
No. 3852 - 8/11
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