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参数资料
| 型号： | EL2141C |
| 英文描述： | 150 MHz High Bandwidth Amplifier （Differential Twisted Pair Driver）(150 MHz宽带放大器（差分双绞线驱动器）) |
| 中文描述： | 150 MHz的高带宽放大器（差分双绞线驱动器）（150兆赫宽带放大器（差分双绞线驱动器）） |
| 文件页数： | 9/12页 |
| 文件大小： | 219K |
| 代理商： | EL2141C |
EL2140C2141C
150 MHz Differential Twisted Pair Driver
Applications Information
EL2141C
2140-13
GAIN e
R1 a R2 a R3
R2
EL2140C
2140-14
GAIN e 2
VOUT a VOUTB
2
e
VREF
(common mode)
Choice of feedback resistor
There is little to be gained from choosing resistor
R2 values below 400
X and in fact it would only
result in increased power dissipation and signal
distortion Above 400
X the bandwidth response
will develop some peaking (for a gain of two) but
substantially higher resistor R2 values may be
used for higher voltage gains such as up to 2 k
X
at a gain of eight before peaking will develop R1
and R3 are selected as needed to set the voltage
gain and while R1 e R3 is suggested the gain
equation above holds for any values (see distor-
tion for further suggestions)
Capacitance considerations
As with many high bandwidth amplifiers the
EL2140C2141C prefer not to drive highly capac-
itive loads It is best if the capacitance on VOUT
and VOUTB is kept below 10 pF if the user does
not want gain peaking to develop
In addition on the EL2141C the two feedback
nodes FBP and FBN should be laid out so as to
minimize stray capacitance else an additional
pole will potentially develop in the response with
possible gain peaking
The amount of capacitance tolerated on any of
these nodes in an actual application will also be
dependent on the gain setting and the resistor
values in the feedback network
Distortion considerations
The harmonics that these amplifiers will poten-
tially produce are the 2nd 3rd 5th and 6th
Their amplitude is application dependent
All
other harmonics should be negligible by compari-
son Each should be considered separately
H2 The second harmonic arises from the input
stage and the lower the applied differential sig-
nal amplitude the lower the magnitude of the
second harmonic For practical considerations of
required output signal and input noise levels the
user will end up choosing a circuit gain Refer-
ring to Figure 1 it is best if the voltage at the
negative feedback node tracks the VREF node
and the voltage at the positive feedback node
tracks the VIN node respectively This would the-
oretically require that R1 a R2 e R3 although
the lowest distortion is found at about R3 e R1
a
(07 R2) With this arrangement the second
harmonic should be suppressed well below the
value of the third harmonic
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| EL2141CN | 制造商:ELANTEC 制造商全称:ELANTEC 功能描述:150 MHz Differential Twisted Pair Driver |
| EL2141CS | 功能描述:IC DVR DIFF 150MHZ 8-SOIC RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| EL2141CS-T13 | 功能描述:IC DRVR TWISTED PR 150MHZ 8-SOIC RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.6 V/µs 增益带宽积:1MHz -3db带宽:- 电流 - 输入偏压:2pA 电压 - 输入偏移:1000µV 电流 - 电源:85µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):1.8 V ~ 6 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOICN 包装:剪切带 (CT) 产品目录页面:680 (CN2011-ZH PDF) 其它名称:MCP6L04T-E/SLCT |
| EL2141CS-T7 | 功能描述:IC DRVR TWISTED PR 150MHZ 8-SOIC RoHS:否 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:1 系列:- 放大器类型:通用 电路数:4 输出类型:满摆幅 转换速率:0.6 V/µs 增益带宽积:1MHz -3db带宽:- 电流 - 输入偏压:2pA 电压 - 输入偏移:1000µV 电流 - 电源:85µA 电流 - 输出 / 通道:20mA 电压 - 电源，单路/双路(±):1.8 V ~ 6 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:14-SOIC（0.154"，3.90mm 宽） 供应商设备封装:14-SOICN 包装:剪切带 (CT) 产品目录页面:680 (CN2011-ZH PDF) 其它名称:MCP6L04T-E/SLCT |
| EL2141CSZ | 功能描述:IC DIFF PAIR DRIVER 8-SOIC RoHS:是 类别:集成电路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 标准包装:50 系列:- 放大器类型:通用 电路数:2 输出类型:满摆幅 转换速率:1.8 V/µs 增益带宽积:6.5MHz -3db带宽:4.5MHz 电流 - 输入偏压:5nA 电压 - 输入偏移:100µV 电流 - 电源:65µA 电流 - 输出 / 通道:35mA 电压 - 电源，单路/双路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
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