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參數資料
| 型號： | LMC6484AIM |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 運動控制電子 |
| 英文描述： | CMOS Quad Rail-to-Rail Input and Output Operational Amplifier |
| 中文描述： | QUAD OP-AMP, 1350 uV OFFSET-MAX, 1.5 MHz BAND WIDTH, PDSO14 |
| 封裝： | SOIC-14 |
| 文件頁數： | 19/22頁 |
| 文件大小： | 973K |
| 代理商： | LMC6484AIM |
Typical Single-Supply Applications
(Continued)
In Figure 23 dielectric absorption and leakage is minimized by using a polystyrene or polyethylene hold capacitor. The droop rate
is primarily determined by the value of C
H
and diode leakage current. The ultra-low input current of the LMC6484 has a negligible
effect on droop.
The LMC6484’s high CMRR (85 dB) allows excellent accuracy throughout the circuit’s rail-to-rail dynamic capture range.
The low pass filter circuit in Figure 25 can be used as an anti-aliasing filter with the same voltage supply as the A/D converter.
Filter designs can also take advantage of the LMC6484 ultra-low input current. The ultra-low input current yields negligible offset
error even when large value resistors are used. This in turn allows the use of smaller valued capacitors which take less board
space and cost less.
DS011714-37
FIGURE 23. Low Voltage Peak Detector with Rail-to-Rail Peak Capture Range
DS011714-38
FIGURE 24. Rail-to-Rail Sample and Hold
DS011714-27
FIGURE 25. Rail-to-Rail Single Supply Low Pass Filter
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LMC6484AIM | 制造商:Texas Instruments 功能描述:IC OP AMP QUAD CMOS 6484 SOIC14 |
| LMC6484AIM/NOPB | 功能描述:運算放大器 - 運放 CMOS QUAD RRIO OP AMP RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LMC6484AIM/NOPB | 制造商:Texas Instruments 功能描述:Operational Amplifier (Op-Amp) IC |
| LMC6484AIMX | 功能描述:運算放大器 - 運放 RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
| LMC6484AIMX/NOPB | 功能描述:運算放大器 - 運放 CMOS Quad R/R I/O Op Amp RoHS:否 制造商:STMicroelectronics 通道數量:4 共模抑制比（最小值）:63 dB 輸入補償電壓:1 mV 輸入偏流（最大值）:10 pA 工作電源電壓:2.7 V to 5.5 V 安裝風格:SMD/SMT 封裝 / 箱體:QFN-16 轉換速度:0.89 V/us 關閉:No 輸出電流:55 mA 最大工作溫度:+ 125 C 封裝:Reel |
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