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參數(shù)資料
| 型號(hào)： | LM6211 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Low Noise, RRO Operational Amplifier with CMOS Input and 24V Operation |
| 中文描述： | 低噪聲，窄化與CMOS運(yùn)算放大器的輸入和24V操作 |
| 文件頁數(shù)： | 15/19頁 |
| 文件大?。?/td> | 1091K |
| 代理商： | LM6211 |
Typical Applications
(Continued)
DAC OUTPUT AMPLIFIER
Op amps are often used to improve a DAC’s output driving
capability. High performance op amps are required as I-V
converters at the outputs of high resolution current output
DACs. Since most DACs operate with a single supply of 5V,
a rail-to-rail output swing is essential for this application. A
low offset voltage is also necessary to prevent offset errors in
the waveform generated. Also, the output impedance of
DACs is quite high, more than a few k
in some cases, so it
is also advisable for the op amp to have a low input bias
current. An op amp with a high input impedance also pre-
vents the loading of the DAC, and hence, avoids gain errors.
The op amp should also have a slew rate which is fast
enough to not affect the settling time of the DAC output.
The LM6211, with a CMOS input stage, ultra low input bias
current, a wide bandwidth (20 MHz) and a rail-to-rail output
swing for a supply voltage of 24V is an ideal op amp for such
an application.
Figure 9
shows a typical circuit for this appli-
cation. The op amp is usually expected to add another time
constant to the system, which worsens the settling time, but
the wide bandwidth of the LM6211 (20 MHz) allows the
system performance to improve without any significant deg-
radation of the settling time.
20120335
FIGURE 8. Hydraulic Pressure Monitoring System
20120340
FIGURE 9. DAC Driver Circuit
L
www.national.com
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM6211MF | Low Noise, RRO Operational Amplifier with CMOS Input and 24V Operation |
| LM6211MFX | Low Noise, RRO Operational Amplifier with CMOS Input and 24V Operation |
| LM62CIM3X | 2.7V, 15.6 mV/∑C SOT-23 Temperature Sensor |
| LM62BIM3 | 2.7V, 15.6 mV/∑C SOT-23 Temperature Sensor |
| LM62BIM3X | 2.7V, 15.6 mV/∑C SOT-23 Temperature Sensor |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM6211MF | 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LM6211MF/NOPB | 功能描述:運(yùn)算放大器 - 運(yùn)放 Low Noise RRO Op Amp w/ CMOS Inpt 24V RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LM6211MFX | 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LM6211MFX/NOPB | 功能描述:運(yùn)算放大器 - 運(yùn)放 RoHS:否 制造商:STMicroelectronics 通道數(shù)量:4 共模抑制比（最小值）:63 dB 輸入補(bǔ)償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 轉(zhuǎn)換速度:0.89 V/us 關(guān)閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LM6218 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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