LM319N

更新时间： 2024-11-22 22:47:07

品牌	Logo	应用领域
恩智浦 - NXP		比较器放大器光电二极管
页数	文件大小	规格书
5页	115K
描述
Dual voltage comparator

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LM319N 数据手册

Philips Semiconductors Linear Products

Product specification

Dual voltage comparator

LM219/319

DESCRIPTION

PIN CONFIGURATION

The LM319 series are precision high-speed dual comparators

fabricated on a single monolithic chip. They are designed to operate

over a wide range of supply voltages down to a single 5V logic

supply and ground. Further, they have higher gain and lower input

currents than devices like the µA710. The uncommitted collector of

the output stage makes the LM319 compatible with RTL, DTL, and

TTL as well as capable of driving lamps and relays at currents up to

25mA.

D, N Packages

GND 1

OUTPUT 1

+ INPUT 1

– INPUT 1

V+

Although designed primarily for applications requiring operation from

digital logic supplies, the LM319 series are fully specified for power

supplies up to ±15V. It features faster response than the LM111 at

the expense of higher power dissipation. However, the high-speed,

wide operating voltage range and low package count make the

LM319 much more versatile than older devices like the µA711.

– INPUT 2

V–

+ INPUT 2

GND 2

OUTPUT 2

TOP VIEW

FEATURES

• Two independent comparators

• Maximum input current of 1µA over temperature

• Inputs and outputs can be isolated from system ground

• High common-mode slew rate

• Operates from a single 5V supply

• Typically 80ns response time at ±15V

• Minimum fanout of 3 (each side)

EQUIVALENT SCHEMATIC

3.5K

V+

18pF

–

INPUTS

R10

170

R11

13K

R12

13K

Q15

18K

Q10

Q13

C14

R15

300

Q22

OUTPUT

R13

600

R23

R22 R20

R18

3.6K 1.9K

Q16

Q12

Q11

Q21

R16

600

R14

R19

250

Q20

Q19

TO OTHER

HALF

R24

250

R25

600

900

Q18

Q12

R17 3

V–

GND

277

August 31, 1994

853-0928 13721

12 3 4 5

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