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MAX991

更新时间： 2023-12-20 18:44:29
品牌 Logo 应用领域
亚德诺 - ADI 比较器
页数 文件大小 规格书
13页 1699K
描述
高速、微功耗、低电压、SOT23封装、满摆幅输入/输出比较器

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中文翻译

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MAX991 数据手册

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MAX987/MAX988/MAX991/  
MAX992/MAX995/MAX996  
High-Speed, Micropower, Low-Voltage,  
Rail-to-Rail I/O Comparators  
General Description  
Benefits and Features  
● 120ns Propagation Delay  
The  
MAX987/MAX988/MAX991/MAX992/MAX995/  
MAX996 single/dual/quad micropower comparators  
feature low-voltage operation and rail-to-rail inputs and  
outputs. Their operating voltage ranges from +2.5V to  
+5.5V, making them ideal for both 3V and 5V systems.  
These comparators also operate with ±1.25V to ±2.75V  
dual supplies. They consume only 48μA per comparator  
while achieving a 120ns propagation delay.  
● 48μA Quiescent Supply Current  
● +2.5V to +5.5V Single-Supply Operation  
● Common-Mode Input Voltage Range Extends  
250mV Beyond the Rails  
● Push-Pull Output Stage Sinks and Sources  
8mA Current (MAX987/MAX991/MAX995)  
Input bias current is typically 1.0pA, and input offset voltage  
is typically 0.5mV. Internal hysteresis ensures clean output  
switching, even with slow-moving input signals.  
● Open-Drain Output Voltage Extends Beyond V  
CC  
(MAX988/MAX992/MAX996)  
● Unique Output Stage Reduces Output Switching  
The output stage’s unique design limits supply-current  
surges while switching, virtually eliminating the supply  
glitches typical of many other comparators. The MAX987/  
MAX991/MAX995 have a push-pull output stage that  
sinks as well as sources current. Large internal output  
drivers allow rail-to-rail output swing with loads up to  
8mA. The MAX988/MAX992/MAX996 have an open-drain  
Current, Minimizing Overall Power Consumption  
● 100μA Supply Current at 1MHz Switching  
Frequency  
● No Phase Reversal for Overdriven Inputs  
● Available in Space-Saving Packages:  
• 5-Pin SC70 (MAX987/MAX988)  
• 8-Pin μMAX (MAX991/MAX992)  
output stage that can be pulled beyond V  
to 6V (max)  
CC  
above V . These open-drain versions are ideal for level  
EE  
translators and bipolar to single-ended converters.  
Ordering Information  
The single MAX987/MAX988 are available in tiny 5-pin  
SC70 packages, while the dual MAX991/MAX992 are  
available in ultra-small μMAX package.  
PKG  
CODE  
TOP  
MARK  
PART  
PIN-PACKAGE  
®
MAX987EXK-T 5 SC70-5  
MAX987ESA 8 SO  
X5-1  
S8-2  
ABM  
—
Selector Guide  
COMPARATORS  
PER PACKAGE  
OUTPUT  
STAGE  
Ordering Information continued at end of data sheet.  
PART  
Note: All devices specified over the -40°C to +85°C operating  
temperature range.  
MAX987  
MAX988  
MAX991  
MAX992  
MAX995  
MAX996  
1
1
2
2
4
4
Push-Pull  
Open-Drain  
Push-Pull  
Typical Application Circuit appears at end of data sheet.  
Pin Configurations  
Open-Drain  
Push-Pull  
TOP VIEW  
Open-Drain  
1
2
3
5
4
V
OUT  
EE  
Applications  
● Portable/Battery-  
Powered Systems  
● Mobile Communications ● Ground/Supply Sensing  
● Zero-Crossing Detectors ● IR Receivers  
MAX987  
MAX988  
V
CC  
● Threshold Detectors/  
Discriminators  
IN+  
IN-  
● Window Comparators  
● Level Translators  
● Digital Line Receivers  
SC70  
Pin Configurations continued at end of data sheet.  
μMAX is a registered trademark of Maxim Integrated Products,  
Inc.  
19-1266; Rev 3; 2/17  
1234567...13

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