LM339M datasheet(5/6 Pages) ESTEK

номер детали	LM339M

подробное описание детали	consists of four independent voltage comparators

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производитель	ESTEK [Estek Electronics Co. Ltd]

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BEIJING ESTEK ELECTRONICS CO.,LTD

Typical Applications Circuit

with Hystersis

with Hysteresis

Vref=

VCCR1

Rref+R1

R2

≈ R1/ / Rref

Amount of Hysteresis VH

VH=

R2

R2+R3

[(VO(max) - VO(min)]

Vref

VCCR1

Rref+R1

R1/ / Rref// R2

VH=

R1/ / Rref

R1// Rref+R2

[VO(max)-VO(min)]

Rref/ / /R1

+ VCC

Vin

Vref

+ VCC

Vin

Vref

Rref

±

+

±

+

VO

10k R1

R2

R3

10k

1.0M

R3

R2

1.0M

10k

R1

10k

≈

Figure

Driving Logic

Logic

Device

VCC

(V)

RL

k

Ω

CMOS

TTL

1/4 MC14001

1/4 MC7400

+15

+5.0

100

10

RS=Source Resistance

R1

≈ RS

T1=T2= 0.69RC

f

=

7.2

C(

µF)

R2=R3= R4

R2//R3//R4

±

+

±

VCC

Vin

V ref

VCC. 4.0V

VCC

+

C

330k

R4

330k

R3

R1

100k

10k

R1

T1

T2

VCC

VO

RS

RL

R2

330k

Figure 1. Inverting Comparator

1

Figure . Noninverting Comparator

2

3.

Figure . Squarewave Oscillator

4

LM339

Аналогичный номер детали - LM339M

производитель	номер детали	датащи	подробное описание детали
National Semiconductor ...	LM339M	465Kb / 19P	Low Power Low Offset Voltage Quad Comparators
Fairchild Semiconductor	LM339M	86Kb / 8P	Quad Comparator
Estek Electronics Co. L...	LM339M	143Kb / 2P	Quadruple Differential Compara tors
Texas Instruments	LM339M	2Mb / 28P	[Old version datasheet] Low-Power Low-Offset Voltage Quad Comparators
Texas Instruments	LM339M	2Mb / 28P	[Old version datasheet] Low-Power Low-Offset Voltage Quad Comparators

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Аналогичное описание - LM339M

производитель	номер детали	датащи	подробное описание детали
Texas Instruments	LM139-N	1Mb / 30P	[Old version datasheet] The LM139 series consists of four independent precision voltage comparators with an offset voltage specification as low as 2 mV max for all four comparators.
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