MAX4022EEE

更新时间： 2024-01-24 23:35:45

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
12页	121K
描述
Low-Cost, High-Speed, Single-Supply, Gain of +2 Buffers with Rail-to-Rail Outputs in SOT23

阅读下载

中文翻译

获取价格

数据手册
替代型号

如果您发现信息不准确，欢迎纠错

MAX4022EEE 数据手册

Lo w -Co s t , Hig h -S p e e d , S in g le -S u p p ly, Ga in o f +2

Bu ffe rs w it h Ra il-t o -Ra il Ou t p u t s in S OT2 3

MAX4014

MAX4017

MAX4019

MAX4022

500Ω

IN+

IN-

ISO

OUT

MAX40_ _

50Ω

TIN

500Ω

Figure 5. Input Protection Circuit

Figure 7. Driving a Capacitive Load through an Isolation Resistor

conditions, the input protection diodes will be forward

biased, lowering the disabled output resistance to 500Ω.

Ou t p u t Ca p a c it ive Lo a d in g a n d S t a b ilit y

The MAX4014/MAX4017/MAX4019/MAX4022 provide

maximum AC performance with no load capacitance.

This is the case when the load is a properly terminated

transmission line. However, they are designed to drive

up 25pF of load capacitance without oscillating, but

with reduced AC performance.

C = 15pF

C = 10pF

Driving large capacitive loads increases the chance of

oscillations occurring in most amplifier circuits. This is

especially true for circuits with high loop gains, such as

voltage followers. The buffer’s output resistance and

the load capacitor combine to add a pole and excess

phase to the loop response. If the frequency of this

pole is low enough to interfere with the loop response

and degrade phase margin sufficiently, oscillations can

occur.

C = 5pF

-1

-2

-3

-4

100k

10M

100M

FREQUENCY (Hz)

719/MAX402

Figure 6. Small-Signal Gain vs. Frequency with Load

Capacitance and No Isolation Resistor

A s e c ond p rob le m whe n d riving c a p a c itive loa d s

results from the amplifier’s output impedance, which

looks inductive at high frequencies. This inductance

forms an L-C resonant circuit with the capacitive load,

which causes peaking in the frequency response and

degrades the amplifier’s gain margin.

Dis a b le d Ou t p u t Re s is t a n c e

The MAX4014/MAX4017/MAX4019/MAX4022 include

internal protection circuitry that prevents damage to the

precision input stage from large differential input volt-

ages, as shown in Figure 5. This protection circuitry con-

sists of five back-to-back Schottky diodes between IN_+

and IN_-. These diodes lower the disabled output resis-

tance from 1kΩ to 500Ω when the output voltage is 3V

greater or less than the voltage at IN_+. Under these

Figure 6 shows the frequency response of the MAX4014/

MAX4017/MAX4019/MAX4022 under different capacitive

loads. To drive loads with greater than 25pF of capaci-

tance or to settle out some of the peaking, the output

re q uire s a n is ola tion re s is tor like the one s hown in

10 ______________________________________________________________________________________

1...7 8 91011 12

中文翻译

下载PDF

MAX4022EEE 替代型号

型号	品牌	替代类型	描述	数据表
MAX4022EEE+	MAXIM	完全替代	Buffer Amplifier, 4 Func, PDSO16, QSOP-16

与MAX4022EEE相关器件

型号	品牌	获取价格	描述	数据表
MAX4022EEE+	MAXIM	获取价格	Buffer Amplifier, 4 Func, PDSO16, QSOP-16
MAX4022EEE+T	MAXIM	获取价格	Buffer Amplifier, 4 Func, PDSO16, QSOP-16
MAX4022EEE-T	MAXIM	获取价格	Buffer Amplifier, 4 Func, PDSO16, QSOP-16
MAX4022ESD	MAXIM	获取价格	Low-Cost, High-Speed, Single-Supply, Gain of +2 Buffers with Rail-to-Rail Outputs in SOT23
MAX4022ESD+	MAXIM	获取价格	Buffer Amplifier, 4 Func, PDSO14, SO-14
MAX4022ESD+T	MAXIM	获取价格	暂无描述
MAX4022ESD-T	MAXIM	获取价格	Buffer Amplifier, 4 Func, PDSO14, SO-14
MAX4023	MAXIM	获取价格	Triple and Quad, 2:1 Video Multiplexer- Amplifiers with Fixed and Settable Gain
MAX4023_09	MAXIM	获取价格	Triple and Quad, 2:1 Video Multiplexer- Amplifiers with Fixed and Settable Gain
MAX4023EEE	MAXIM	获取价格	Triple and Quad, 2:1 Video Multiplexer- Amplifiers with Fixed and Settable Gain

与MAX4022EEE相关文章

LM317T数据手册解读：产品特性、应用、封装与引脚详解
2024-06-14

11
一文带你了解?DB3二极管好坏判断、参数信息、替代推荐
2024-06-14

14
LM358DR数据手册：引脚说明、电气参数及替换型号推荐
2024-06-14

8
OP07CP数据手册解读：引脚信息、电子参数
2024-06-14

12

产品中心

服务支持

精选活动

关于我们

帮助中心

MAX4022EEE

MAX4022EEE 数据手册

MAX4022EEE 替代型号

与MAX4022EEE相关器件

与MAX4022EEE相关文章

您还可以找

产品中心

服务支持

精选活动

关于我们

帮助中心

MAX4022EEE

MAX4022EEE 数据手册

MAX4022EEE 替代型号

与MAX4022EEE相关器件

与MAX4022EEE相关文章

您还可以找

您在本页遇到什么问题？