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參數資料
| 型號： | THS3001IDRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數： | 15/38頁 |
| 文件大?。?/td> | 875K |
| 代理商： | THS3001IDRG4 |
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THS3001
CLOAD
1 k
Input
Output
1 k
20
SLOS217H – JULY 1998 – REVISED SEPTEMBER 2009................................................................................................................................................. www.ti.com
DRIVING A CAPACITIVE LOAD
Driving capacitive loads with high-performance amplifiers is not a problem as long as certain precautions are
taken. The first is to realize that the THS3001 has been internally compensated to maximize its bandwidth and
slew-rate performance. When the amplifier is compensated in this manner, capacitive loading directly on the
output will decrease the device's phase margin leading to high-frequency ringing or oscillations. Therefore, for
capacitive loads of greater than 10 pF, it is recommended that a resistor be placed in series with the output of
the amplifier, as shown in Figure 52. A minimum value of 20
should work well for most applications. For
example, in 75-
transmission systems, setting the series resistor value to 75 both isolates any capacitance
loading and provides the proper line impedance matching at the source end.
Figure 52. Driving a Capacitive Load
22
Copyright 1998–2009, Texas Instruments Incorporated
Product Folder Link(s): THS3001
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相關代理商/技術參數 |
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| THS3001TDA1 | 制造商:Texas Instruments 功能描述:IC OPAMP CFA DIE |
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