Texas Instruments LP311DR Handleiding

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LP211, LP311

LOW-POWER DIFFERENTIAL COMPARATORS

WITH STROBES

SLCS003D − JUNE 1987 − REVISED SEPTEMBER 2003

1

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

DLow Power Drain .. . 900 μW Typical With

5-V Supply

DOperates From 15 V or From a Single±

Supply as Low as 3 V

DOutput Drive Capability of 25 mA

DEmitter Output Can Swing Below Negative

Supply

DResponse Time. . . 1.2 μs Typ

DLow Input Currents:

Offset Current . . . 2 nA Typ

Bias Current . .. 15 nA Typ

DWide Common-Mode Input Range:

−14.5 V to 13.5 V Using ±15-V Supply

DOffset Balancing and Strobe Capability

DSame Pinout as LM211, LM311

DDesigned To Be Interchangeable With

Industry-Standard LP311

description/ordering information

The LP211 and LP311 devices are low-power versions of the industry-standard LM211 and LM311 devices.

They take advantage of stable, high-value, ion-implanted resistors to perform the same function as the LM311

series, with a 30:1 reduction in power consumption, but only a 6:1 slowdown in response time. They are well

suited for battery-powered applications and all other applications where fast response times are not needed.

They operate over a wide range of supply voltages, from ±18 V down to a single 3-V supply with less than 300-μA

current drain, but are still capable of driving a 25-mA load. The LP211 and LP311 are quite easy to apply free

of oscillation if ordinary precautions are taken to minimize stray coupling from the output to either input or to the

trim pins. In addition, offset balancing is available to minimize input offset voltage. Strobe capability also is

provided to turn off the output (regardless of the inputs) by pulling the strobe pin low.

The LP211 is characterized for operation from −25°C to 85°C. The LP311 is characterized for operation from

0 C.°C to 70°

ORDERING INFORMATION

TA

VIO max

AT 25°CPACKAGE†ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

PDIP (P)Tube of 50LP311PLP311P

0°C to 70°C

7 5 mV

SOIC (D)

Tube of 75LP311D

LP311

−0° °C to 70C7.5 mVSOIC (D)Reel of 2500LP311DRLP311

SOP (PS)Reel of 2000LP311PSRL311

25°C to 85°C

7 5 mV

SOIC (D)

Tube of 75LP211D

LP211

−25° °C to 85C7.5 mVSOIC (D)Reel of 2500LP211DRLP211

†Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines

are available at www.ti.com/sc/package.

Copyright © 2003, Texas Instruments Incorporated

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

1

2

3

4

8

7

6

5

EMIT OUT

IN+

IN−

VCC−

VCC+

COL OUT

BAL/STRB

BALANCE

LP211 . . . D PACKAGE

LP311 .. . D, P, OR PS PACKAGE

(TOP VIEW)

Product specificaties