LM219 View Datasheet(PDF) - Philips Electronics

Part Name

Description

Manufacturer

LM219

Dual voltage comparator

Philips Electronics 

Philips Semiconductors Linear Products

Dual voltage comparator

Product specification

LM219/319

TYPICAL PERFORMANCE CHARACTERISTICS (Continued)

Input Currents

250

VS = +15V

200

BIAS

150

100

50

OFFSET

0

-55 -15 5

45

85 125

TEMPERATURE – oC

Common-Mode Limits

V+

-0.4

VS+ = 5.0V, VS- = 0

-0.8

VS = +15V

-1.2

-1.6

REFERRED TO SUPPLY VOLTAGES

-2.0

1.2

0.8

0.4

VS = +15V, VS+ = 5.0V, V- = 0

V-

-55 -15 5

45

85 125

TEMPERATURE – oC

TYPICAL APPLICATIONS

5V 28V

INPUTS

+ 1/2

LM319

-

30V

1N914

Supply Current

12

10

POSITIVE SUPPLY, VS = +15V

8

6 POSITIVE SUPPLY, VS+ = 5.0V, VS- = 0

4

2

0

-55

NEGATIVE SUPPLY, VS = +15V

-15 5

45

85 125

TEMPERATURE – oC

190 Ω+

1N914

2.7k

1k

Relay Driver

5V

500

VUT

+ 1/2

LM319

TTL

VIN

-

+ 1/2

LM319

VLT

-

Window Detector

NOTES:

VOUT = 5V for VLT < VIN < VUT

VOUT = 0V for VIN < VLT or VIN > VUT

7.5M

3k

1.2V

+ 1/2

LM319

-

500pF

1k

3k

+ 1/2

LM319

-

1N914

+5V

500

1N914

2N2222

SQUARE WAVE OUTPUT

1kHz to 1MHz

TRIANGLE WAVE OUTPUT

NOTE:

-5V

Frequency adjust must be buffered for RL < 10Ω

Wide Range Variable Oscillator

August 31, 1994

281

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