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| 型號： | TLC085IN |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | FAMILY OF WIDE-BANDWIDTH HIGH-OUTPUT-DRIVE SINGLE SUPPLY OPERATIONAL AMPLIFIERS |
| 中文描述： | 家庭具有寬帶高輸出驅(qū)動單電源運(yùn)算放大器 |
| 文件頁數(shù)： | 20/52頁 |
| 文件大?。?/td> | 1462K |
| 代理商： | TLC085IN |
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SLOS254D JUNE 1999 REVISED FEBRUARY 2004
20
WWW.TI.COM
APPLICATION INFORMATION
general configurations
When receiving low-level signals, limiting the bandwidth of the incoming signals into the system is often
required. The simplest way to accomplish this is to place an RC filter at the noninverting terminal of the amplifier
(see Figure 50).
VI
VO
C1
+
RG
RF
R1
f–3dB
1
2 R1C1
VO
VI
1
RF
RG
1
sR1C1
1
Figure 50. Single-Pole Low-Pass Filter
If even more attenuation is needed, a multiple pole filter is required. The Sallen-Key filter can be used for this
task. For best results, the amplifier should have a bandwidth that is 8 to 10 times the filter frequency bandwidth.
Failure to do this can result in phase shift of the amplifier.
VI
C2
R2
R1
C1
RF
RG
R1 = R2 = R
C1 = C2 = C
Q = Peaking Factor
(Butterworth Q = 0.707)
(
=
1
Q
2
)
RG
RF
_
+
f–3dB
1
2 RC
Figure 51. 2-Pole Low-Pass Sallen-Key Filter
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| TLC085IPWP | FAMILY OF WIDE-BANDWIDTH HIGH-OUTPUT-DRIVE SINGLE SUPPLY OPERATIONAL AMPLIFIERS |
| TLC085IPWPR | FAMILY OF WIDE BANDWIDTH HIGH OUTPUT DRIVE SINGLE SUPPLY OPERATIONAL AMPLIFIERS |
| TLC085IPWPRG4 | FAMILY OF WIDE-BANDWIDTH HIGH-OUTPUT-DRIVE SINGLE SUPPLY OPERATIONAL AMPLIFIERS |
| TLC08xA | Wide Bandwidth High Output Drive Single Supply Op Amp Family |
| TLC084INE4 | FAMILY OF WIDE BANDWIDTH HIGH OUTPUT DRIVE SINGLE SUPPLY OPERATIONAL AMPLIFIERS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TLC085INE4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:FAMILY OF WIDE BANDWIDTH HIGH OUTPUT DRIVE SINGLE SUPPLY OPERATIONAL AMPLIFIERS |
| TLC085IPWP | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad High-Output 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 |
| TLC085IPWPG4 | 功能描述:運(yùn)算放大器 - 運(yùn)放 Quad Wide Bandwidth Hi-Output Sngl Sply 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 |
| TLC085IPWPR | 制造商:TI 制造商全稱:Texas Instruments 功能描述:FAMILY OF WIDE BANDWIDTH HIGH OUTPUT DRIVE SINGLE SUPPLY OPERATIONAL AMPLIFIERS |
| TLC085IPWPRG4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:FAMILY OF WIDE BANDWIDTH HIGH OUTPUT DRIVE SINGLE SUPPLY OPERATIONAL AMPLIFIERS |
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