參數(shù)資料
型號(hào)： TLE207xY
廠商： Texas Instruments, Inc.
英文描述： EXCALIBUR LOW-NOISE HIGH-SPEED JFET-INPUT OPERATIONAL AMPLIFIERS
中文描述： 神劍低噪聲高速JFET輸入運(yùn)算放大器
文件頁(yè)數(shù)： 68/77頁(yè)
文件大?。?/td> 1285K
代理商： TLE207XY
TLE207x, TLE207xA, TLE207xY
EXCALIBUR LOW-NOISE HIGH-SPEED
JFET-INPUT OPERATIONAL AMPLIFIERS
SLOS181A – FEBRUARY 1997 – REVISED MARCH 2000
68
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
input characteristics
The TLE207x, TLE207xA, and TLE207xB are specified with a minimum and a maximum input voltage that if
exceeded at either input could cause the device to malfunction. Because of the extremely high input impedance
and resulting low bias current requirements, the TLE207x, TLE207xA, and TLE207xB are well suited for
low-level signal processing; however, leakage currents on printed-circuit boards and sockets can easily exceed
bias current requirements and cause degradation in system performance. It is good practice to include guard
rings around inputs (see Figure 70). These guards should be driven from a low-impedance source at the same
voltage level as the common-mode input.
VI
R2
R1
VI
R4
+
–
VO
R3
VI
+
–
VO
VO
+
–
R3
R4
R2
R1
Where
Figure 70. Use of Guard Rings
TLE2071 input offset voltage nulling
The TLE2071 series offers external null pins that can be used to further reduce the input offset voltage. The
circuit of Figure 71 can be connected as shown if the feature is desired. When external nulling is not needed,
the null pins may be left unconnected.
+
–
VCC–
N2
N1
100 k
5 k
IN–
IN+
OUT
Figure 71. Input Offset Voltage Nulling
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TLE2081ACD 功能描述:運(yùn)算放大器 - 運(yùn)放 High Speed JFET 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
TLE2081ACDG4 功能描述:運(yùn)算放大器 - 運(yùn)放 Excalibur High-Speed JFET-Input 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
TLE2081ACDR 功能描述:運(yùn)算放大器 - 運(yùn)放 HS JFET Excalibur 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
TLE2081ACDRG4 功能描述:運(yùn)算放大器 - 運(yùn)放 Excalibur High-Speed JFET-Input 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
TLE2081ACP 功能描述:運(yùn)算放大器 - 運(yùn)放 High Speed JFET 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
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