MAX999EUK

更新时间： 2024-01-21 18:24:47

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
14页	325K
描述
Comparator, 1 Func, 4500uV Offset-Max, 4.5ns Response Time, PDSO5, MO-178AA, SOT-23, 5 PIN

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MAX999EUK 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：	MO-178AA, SOT-23, 5 PIN	针数：	5
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.39
放大器类型：	COMPARATOR	最大平均偏置电流 (IIB)：	30 µA
25C 时的最大偏置电流 (IIB)：	15 µA	最大输入失调电压：	4500 µV
JESD-30 代码：	R-PDSO-G5	JESD-609代码：	e0
长度：	2.9 mm	湿度敏感等级：	1
功能数量：	1	端子数量：	5
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：	LSSOP
封装等效代码：	TSOP5/6,.11,37	封装形状：	RECTANGULAR
封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	240
电源：	3/5 V	认证状态：	Not Qualified
标称响应时间：	4.5 ns	座面最大高度：	1.45 mm
子类别：	Comparator	最大压摆率：	6.5 mA
供电电压上限：	5.5 V	标称供电电压 (Vsup)：	3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	20
宽度：	1.625 mm	Base Number Matches：	1

MAX999EUK 数据手册

Single/Dual/Quad, Ultra-High-Speed, +3V/+5V,

Beyond-the-Rails Comparators

voltage to move quickly past the other, thus taking the

_______________Detailed Description

input out of the region where oscillation occurs. Standard

The MAX961–MAX964/MAX997/MAX999 single-supply

comparators require hysteresis to be added with external

comparators feature internal hysteresis, ultra-high-

resistors. The fixed internal hysteresis eliminates these

speed operation, and low power consumption. Their

resistors.

outputs are guaranteed to pull within 0.52V of either rail

The MAX961/MAX963 include internal latches that allow

storage of comparison results. LE has a high input

impedance. If LE is low, the latch is transparent (i.e.,

the comparator operates as though the latch is not pre-

sent). The comparator’s output state is stored when LE

is pulled high. All timing constraints must be met when

using the latch function (Figure 2).

without external pullup or pulldown circuitry. Beyond-

the-Rails input voltage range and low-voltage, single-

supply operation make these devices ideal for portable

equipment. These comparators all interface directly to

CMOS logic.

Timing

Most high-speed comparators oscillate in the linear

region because of noise or undesirable parasitic feed-

back. This can occur when the voltage on one input is

close to or equal to the voltage on the other input.

These devices have a small amount of internal hystere-

sis to counter parasitic effects and noise.

Input Stage Circuitry

The MAX961–MAX964/MAX997/MAX999 include inter-

nal protection circuitry that prevents damage to the pre-

cision input stage from large differential input voltages.

This protection circuitry consists of two groups of three

front-to-back diodes between IN+ and IN-, as well as

two 200Ω resistors (Figure 3). The diodes limit the dif-

ferential voltage applied to the comparator’s internal

The added hysteresis of the MAX961–MAX964/MAX997/

MAX999 creates two trip points: one for the rising input

voltage and one for the falling input voltage (Figure 1).

The difference between the trip points is the hysteresis.

When the comparator’s input voltages are equal, the

hysteresis effectively causes one comparator input

circuitry to no more than 3V , where V is the diode’s

forward-voltage drop (about 0.7V at +25°C).

TRIP+

IN+

+ V

HYST

TRIP-

TRIP+

TRIP-

= 0V

IN-

Figure 1. Input and Output Waveforms, Noninverting Input Varied

_______________________________________________________________________________________

1...4 5 678 9 10...14

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与MAX999EUK相关器件

型号	品牌	描述	获取价格	数据表
MAX999EUK/GH9-T	MAXIM	Comparator	获取价格
MAX999EUK+	MAXIM	暂无描述	获取价格
MAX999EUK+T	MAXIM	Comparator, 1 Func, 4500uV Offset-Max, 4.5ns Response Time, CMOS, PDSO5, LEAD FREE, MO-178	获取价格
MAX999EUK+TG21	MAXIM	Comparator, 1 Func, 4500uV Offset-Max, 4.5ns Response Time, PDSO5, MO-178AA, SOT-23, 5 PIN	获取价格
MAX999EUK-T	MAXIM	Single/Dual/Quad, Ultra-High-Speed, +3V/+5V,Beyond-the-Rails Comparators	获取价格
MAX-9H	MINI	Active Mixer	获取价格

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