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參數(shù)資料
| 型號： | THS4011FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 290-MHz LOW-DISTORTION HIGH-SPEED AMPLIFIERS |
| 中文描述： | 290 - MHz的低失真高速放大器 |
| 文件頁數(shù)： | 17/30頁 |
| 文件大?。?/td> | 439K |
| 代理商： | THS4011FK |
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THS4011, THS4012
290-MHz LOW-DISTORTION HIGH-SPEED AMPLIFIERS
SLOS216B – JUNE 1999 – FEBRUARY 2000
17
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
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 THS401x 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 27. 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.
+
_
THS401x
CLOAD
1.3 k
Input
Output
1.3 k
20
Figure 27. Driving a Capacitive Load
offset nulling
The THS401x has very low input offset voltage for a high-speed amplifier. However, if additional correction is
required, an offset nulling function has been provided on the THS4011. The input offset can be adjusted by
placing a potentiometer between terminals 1 and 8 of the device and tying the wiper to the negative supply. This
is shown in Figure 28.
_
+
THS4011
VCC–
VCC+
0.1
μ
F
0.1
μ
F
10 k
Figure 28. Offset Nulling Schematic
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| THS4011MFK | 290-MHz LOW-DISTORTION HIGH-SPEED AMPLIFIERS |
| THS4012D | 290-MHz LOW-DISTORTION HIGH-SPEED AMPLIFIERS |
| THS4012DGN | 290-MHz LOW-DISTORTION HIGH-SPEED AMPLIFIERS |
| THS4012EVM | 290-MHz LOW-DISTORTION HIGH-SPEED AMPLIFIERS |
| THS4021D | 350-MHz LOW-NOISE HIGH-SPEED AMPLIFIERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| THS4011ID | 功能描述:高速運(yùn)算放大器 290MHz Lw-Distortion RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS4011IDG4 | 功能描述:高速運(yùn)算放大器 290MHz Low-Distort Vltg-Feedback Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS4011IDGN | 功能描述:高速運(yùn)算放大器 290-MHz Low-Dist Volt-Feedback Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS4011IDGNG4 | 功能描述:高速運(yùn)算放大器 290-MHz Low-Dist Volt-Feedback Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| THS4011IDGNR | 功能描述:高速運(yùn)算放大器 290-MHz Low-Dist Volt-Feedback Amp RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補(bǔ)償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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