National Semiconductor LMC7215 LMC7225 Specifications and User's Manual

LM 7215/LM icro-P ow er,R ail-to-R ail C om parators ith ush-P ull/O pen-D rain

August

utputs and Tiny P ak ackage

LMC7215/LMC7225 Micro-Power, Rail-to-Rail CMOS Comparators with Push-Pull/Open-Drain Outputs and Tiny Pak™ Package General Description Features The LMC7215/LMC7225 are ultra low power comparators (Typical unless otherwise noted) with maximum of µA power supply current. They are de- Ultra low power consumption 0.7 µA signed to operate over wide range of supply voltages, from

Wide range of supply voltages 2V to 8V

2V to 8V.

Input common-mode range beyond V+ and V−

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

Open collector and push-pull output

mon mode voltage range. This is real advantage in single

High output current drive: VS 5V) m A

supply applications.

Propagation delay VS 5V, m V overdrive) µs

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

Tiny SOT23-5 package

ture allows operation with absolute minimum amount of

Latch-up resistance >300 m A

power consumption when driving any load. The LMC7225 features an open drain output. By connecting

Applications

an external resistor, the output of the comparator can be

Laptop computers

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

15V. Mobile phones Metering systems

The LMC7215/LMC7225 are designed for systems where

low power consumption is the critical parameter. Hand-held electronics RC timers

Guaranteed operation over the full supply voltage range of

2.7V to 5V and rail-to-rail performance makes this compara- Alarm and monitoring circuits

tor ideal for battery-powered applications. Window comparators, multivibrators

Connection Diagrams

8–Pin SO–8 5–Pin SOT23-5

DS012853-2

DS012853-1

Tiny Pak™ is trademark of National Semiconductor Corporation.

National Semiconductor Corporation DS012853 www.national.com