LMC7215

更新时间： 2024-11-03 22:51:51

品牌	Logo	应用领域
美国国家半导体 - NSC		比较器
页数	文件大小	规格书
11页	363K
描述
Micro-Power, Rail-to-Rail CMOS Comparators with Open-Drain/Push-Pull Outputs and TinyPak⑩ Package

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LMC7215 数据手册

September 1999

LMC7215/LMC7225

Micro-Power, Rail-to-Rail CMOS Comparators with

™

Open-Drain/Push-Pull Outputs and TinyPak Package

General Description

Features

The LMC7215/LMC7225 are ultra low power comparators

with a maximum of 1 µA power supply current. They are de-

signed to operate over a wide range of supply voltages, from

2V to 8V.

(Typical unless otherwise noted)

n Ultra low power consumption 0.7 µA

n Wide range of supply voltages 2V to 8V

n Input common-mode range beyond V+ and V−

n Open collector and push-pull output

n High output current drive: ( V_S5V) 45 mA

n Propagation delay ( V_S5V, 10 mV overdrive) 25 µs

n Tiny SOT23-5 package

The LMC7215/LMC7225 have a greater than rail-to-rail com-

mon mode voltage range. This is a real advantage in single

supply applications.

The LMC7215 features a push-pull output stage. This fea-

ture allows operation with absolute minimum amount of

power consumption when driving any load.

n Latch-up resistance 300 mA

The LMC7225 features an open drain output. By connecting

an external resistor, the output of the comparator can be

used as a level shifter to any desired voltage to as high as

15V.

Applications

n Laptop computers

n Mobile phones

n Metering systems

n Hand-held electronics

n RC timers

n Alarm and monitoring circuits

n Window comparators, multivibrators

The LMC7215/LMC7225 are designed for systems where

low power consumption is the critical parameter.

Guaranteed operation over the full supply voltage range of

2.7V to 5V and rail-to-rail performance makes this compara-

tor ideal for battery-powered applications.

Connection Diagrams

8–Pin SO–8

5–Pin SOT23-5

DS012853-2

Top View

DS012853-1

Top View

™

TinyPak is a trademark of National Semiconductor Corporation.

DS012853

www.national.com

12 3 4 5 6 7...11

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