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LMC2001AIMX

更新时间： 2024-01-23 14:35:19

品牌	Logo	应用领域
美国国家半导体 - NSC		运算放大器
页数	文件大小	规格书
11页	433K
描述
High Precision, 6MHz Rail-To-Rail Output Operational Amplifier

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LMC2001AIMX 技术参数

生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	SOP-8	针数：	8
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.63
放大器类型：	OPERATIONAL AMPLIFIER	标称共模抑制比：	110 dB
最大输入失调电压：	60 µV	JESD-30 代码：	R-PDSO-G8
长度：	4.902 mm	功能数量：	1
端子数量：	8	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE	座面最大高度：	1.753 mm
标称压摆率：	5 V/us	子类别：	Operational Amplifier
供电电压上限：	5.6 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	1.27 mm
端子位置：	DUAL	标称均一增益带宽：	6000 kHz
宽度：	3.899 mm	Base Number Matches：	1

LMC2001AIMX 数据手册

eration). Higher closed loop gains are also possible with a

corresponding reduction in realizable bandwidth. Table 1

shows some other closed loop gain possibilities along with

the measured performance in each case

Application Notes (Continued)

Application Circuits

DS100058-A1

FIGURE 2.

DS100058-21

FIGURE 4. Single Supply Strain- Gauge Amplifier

DS100058-A0

FIGURE 3.

This Strain-Gauge (Figure 4) amplifier provides high gain

(1006 or 60 dB) with very low offset and drift. Using the resis-

tors tolerance as shown, the worst case CMRR will be

greater than 90 dB. The common-mode gain is directly re-

lated to the resistor mismatch and is independent of the dif-

ferential gain that is set by R3. The worst case common-

mode gain is −54 dB. This gain becomes even lower,

improving CMRR, if the resistor ratio matching is improved.

DS100058-30

FIGURE 5. Inverting Composite Amplifier

Extending Supply Voltages and Output Swing by Using

a Composite Amplifier Configuration:

In cases where substantially higher output swing is required

with higher supply voltages, arrangements like the ones

shown in Figure 5, and Figure 6 could be used (pin numbers

shown are for SO-8 package). These configurations utilize

the excellent DC performance of the LMC2001 while at the

same time allow the superior voltage and frequency capabili-

ties of the LM6171 to set the dynamic performance of the

overall amplifier. For example, it is possible to achieve 12V

output swing with 300MHz of overall GBW (Av=100) while

keeping the worst case output shift due to Vos less than

4mV. The LMC2001 output voltage is kept at about mid-point

of it’s overall supply voltage and it’s input common mode

voltage range allows the V^-terminal to be grounded in one

case (Figure 5, inverting operation) and tied to a small non-

critical negative bias in another (Figure 6, non-inverting op-

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