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參數(shù)資料
| 型號： | TLV2704IPW |
| 廠商： | Texas Instruments, Inc. |
| 元件分類： | 比較器 |
| 英文描述： | FAMILY OF NANOPOWER OPERATIONAL AMPLIFIERS AND PUSH-PULL COMPARATORS |
| 中文描述： | 家庭NANOPOWER運算放大器和推挽比較器 |
| 文件頁數(shù)： | 14/23頁 |
| 文件大?。?/td> | 429K |
| 代理商： | TLV2704IPW |
TLV2702
TLV2704
SLOS340B
–
DECEMBER 2000
–
REVISED AUGUST 2001
14
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 38).
VI
VO
C1
+
–
RG
RF
R1
f
–
3dB
1
2 R1C1
VO
VI
1
RF
RG
1
sR1C1
1
Figure 38. 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 39. 2-Pole Low-Pass Sallen-Key Filter
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相關代理商/技術參數(shù) |
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|---|---|
| TLV2704IPWR | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| TLV2711CDBV | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| TLV2711CDBVR | 功能描述:運算放大器 - 運放 LP R/R Op Amp. 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 |
| TLV2711CDBVRG4 | 功能描述:運算放大器 - 運放 Single LinCMOS Rail-To-Rail uPower 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 |
| TLV2711CDBVT | 功能描述:運算放大器 - 運放 Single LinCMOS R/R 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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