Datasheet > EL2150CS-T7

EL2150CS-T7

更新时间： 2024-01-15 11:51:30

品牌	Logo	应用领域
英特矽尔 - INTERSIL		运算放大器光电二极管局域网
页数	文件大小	规格书
19页	619K
描述
125MHz Single Supply, Clamping Op Amps

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EL2150CS-T7 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	零件包装代码：	SOIC
包装说明：	SO-8	针数：	8
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.74
放大器类型：	OPERATIONAL AMPLIFIER	JESD-30 代码：	R-PDSO-G8
JESD-609代码：	e0	长度：	4.9022 mm
功能数量：	1	端子数量：	8
封装主体材料：	PLASTIC/EPOXY	封装代码：	SOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
峰值回流温度（摄氏度）：	NOT SPECIFIED	认证状态：	Not Qualified
座面最大高度：	1.7272 mm	子类别：	Operational Amplifier
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
处于峰值回流温度下的最长时间：	NOT SPECIFIED	宽度：	3.9116 mm
Base Number Matches：	1

EL2150CS-T7 数据手册

EL2150, EL2157

Figure 1 below is a unity gain connected EL2157 being

driven by a 3V sinewave, with 2.25V applied to the

clamp voltage. Curves of Clamp Accuracy vs V

, and

CLAMP

for 3 values of R are included in the Typical

P-P

CLAMP pin. The resulting output waveform, with its output

being clamped to 2.25V, is shown in Figure 2.

Performance Curves Section.

Unlike amplifiers that clamp at the input and are therefore

limited to non-inverting applications only, the EL2157 output

clamp architecture works for both inverting and non-inverting

gain applications. There is also no maximum voltage

difference limitation between V and V

which is

CLAMP

common on input clamped architectures.

The voltage clamp operates for any voltage between +1.2V

above the GND pin, and the minimum output voltage swing,

. Forcing the CLAMP pin much below +1.2V can

FIGURE 1.

saturate transistors and should therefore be avoided.

Forcing the CLAMP pin above V simply de-activates the

CLAMP feature. In other words, one cannot expect to clamp

any voltage higher than what the EL2157 can drive to in the

first place. If the clamp feature is not desired, either let the

CLAMP pin float or connect it to the V + pin.

EL2157 Comparator Application

The EL2157 can be used as a very fast, single supply

comparator by utilizing the clamp feature. Most op amps

used as comparators allow only slow speed operation

because of output saturation issues. However, by applying a

DC voltage to the CLAMP pin of the EL2157, the maximum

output voltage can be clamped, thus preventing saturation.

Figure 4 below is the EL2157 implemented as a comparator.

2.5V DC is applied to the CLAMP pin, as well as the IN- pin.

A differential signal is then applied between the inputs.

Figure 5 shows the output square wave that results when a

±1V, 10MHz triangular wave is applied, while Figure 6 is a

graph of propagation delay vs. overdrive as a square wave is

presented at the input.

FIGURE 2.

Figure 3 shows the output of the same circuit being driven by

a 0.5V to 2.75V square wave, as the clamp voltage is varied

from 1.0V to 2.5V, as well as the unclamped output signal.

The rising edge of the signal is clamped to the voltage

applied to the CLAMP pin almost instantaneously. The

output recovers from the clamped mode within 5ns - 7ns,

depending on the clamp voltage. Even when the CLAMP pin

is taken 0.2V below the minimum 1.2V specified, the output

is still clamped and recovers in about 11ns.

FIGURE 4.

FIGURE 3.

The clamp accuracy is affected by 1) the CLAMP pin

voltage, 2) the input voltage, and 3) the load resistor.

Depending upon the application, the accuracy may be as

little as a few tens of millivolts to a few hundred millivolts. Be

sure to allow for these inaccuracies when choosing the

FIGURE 5.

1...12 13 141516 17 18 19

中文翻译

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与EL2150CS-T7相关器件

型号	品牌	获取价格	描述	数据表
EL2150CW	ELANTEC	获取价格	125 MHz Single Supply, Clamping Op Amps
EL2150CW-T13	RENESAS	获取价格	VIDEO AMPLIFIER, PDSO5, PLASTIC, SOT-23, 5 PIN
EL2150CW-T13	ELANTEC	获取价格	Video Amplifier, 1 Func, PDSO5, PLASTIC, SOT-23, 5 PIN
EL2150CW-T7	INTERSIL	获取价格	125MHz Single Supply, Clamping Op Amps
EL2150CW-T7	ELANTEC	获取价格	Video Amplifier, 1 Func, PDSO5, PLASTIC, SOT-23, 5 PIN
EL2150CW-T7A	INTERSIL	获取价格	125MHz Single Supply, Clamping Op Amps
EL2157	INTERSIL	获取价格	125MHz Single Supply, Clamping Op Amps
EL2157CN	ELANTEC	获取价格	125 MHz Single Supply, Clamping Op Amps
EL2157CN	RENESAS	获取价格	VIDEO AMPLIFIER, PDIP8, PLASTIC, DIP-8
EL2157CS	ELANTEC	获取价格	125 MHz Single Supply, Clamping Op Amps

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