參數(shù)資料
型號(hào)： THS6007
廠商： Texas Instruments, Inc.
英文描述： Dual Differential Line Drivers and Low-Power Receivers
中文描述： 雙路差動(dòng)線路驅(qū)動(dòng)器和低功耗接收器
文件頁(yè)數(shù)： 32/36頁(yè)
文件大?。?/td> 679K
代理商： THS6007
THS6007
DUAL DIFFERENTIAL LINE DRIVERS AND LOW-POWER RECEIVERS
SLOS334– DECEMBER 2000
32
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
general configurations
A common error for the first-time CFB user is to create a unity gain buffer amplifier by shorting the output directly
to the inverting input. A CFB amplifier in this configuration is now commonly referred to as an oscillator. The
THS6007 drivers, like all CFB amplifiers, musthave a feedback resistor for stable operation. Additionally,
placing capacitors directly from the output to the inverting input is not recommended. This is because, at high
frequencies, a capacitor has a very low impedance. This results in an unstable amplifier and should not be
considered when using a current-feedback amplifier. Because of this, integrators and simple low-pass filters,
which are easily implemented on a VFB amplifier, have to be designed slightly differently. If filtering is required,
simply place an RC-filter at the noninverting terminal of the operational-amplifier (see Figure 88).
VI
VO
C1
+
–
RG
RF
R1
f–3dB
1
2 R1C1
VO
VI
1
RF
RG
1
1
sR1C1
Figure 88. Single-Pole Low-Pass Filter
If a multiple pole filter is required, a Sallen-Key filter can work very well with CFB amplifiers. This is because
the filtering elements are not in the negative feedback loop and stability is not compromised. Because of their
high slew-rates and high bandwidths, CFB amplifiers can create very accurate signals and help minimize
distortion. An example is shown in Figure 89.
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 89. 2-Pole Low-Pass Sallen-Key Filter
相關(guān)PDF資料
PDF描述
THS6007CPWP DUAL DIFFERENTIAL LINE DRIVERS AND LOW-POWER RECEIVERS
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
THS6007CPWP 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:DUAL DIFFERENTIAL LINE DRIVERS AND LOW-POWER RECEIVERS
THS6007IPWP 功能描述:電信線路管理 IC Dual Diff Line Drvr & Lo-Pwr Receivers RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類(lèi)型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray
THS6012 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:DUAL DIFFERENTIAL LINE DRIVERS AND RECEIVERS
THS60121 制造商:Texas Instruments 功能描述:THS60121
THS6012CDWP 功能描述:緩沖器和線路驅(qū)動(dòng)器 500-mA Dual Diff Line Driver RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel
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