LM4040 Просмотр технического описания (PDF) - Zetex => Diodes

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производитель

LM4040

Precision micropower shunt voltage references

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LM4040 - 2.5

Electrical characteristics

Over recommended operating conditions, Tamb = 25°C, unless otherwise stated.

Symbol Parameter

VREF

Reverse

breakdown

voltage

Reverse

breakdown

voltage tolerance

Conditions

Tamb

IR = 100␮A

25°C

Typ. LM404

B limits

2.5

25°C

±5

IR = 100␮A -40 to 85°C

±21

-40 to 125°C

±30

LM4040

C limits

±12

±29

±38

IRMIN

Minimum

operating current

25°C

45

60

60

-40 to 85°C

65

65

-40 to 125°C

68

68

Average reverse IR = 10mA

±20

breakdown

⌬VR/⌬T voltage

IR = 1mA, -40 to 125°C ±15 100

temperature

coefficient

IR = 100␮A

±15

±100

Reverse

⌬VR/⌬IR

breakdown

change with

current

25°C

0.3 0.8

0.8

IRMIN < IR -40 to 85°C

< 1mA

1.0

1.0

-40 to 125°C

1.0

1.0

25°C

2.5 6.0

6.0

1mA < IR < -40 to 85°C

15 mA

8.0

8.0

-40 to 125°C

8.0

8.0

ZR Dynamic output IR = 1mA, f = 120Hz

0.3 0.8

0.9

impedance

IAC = 0.1IR

en Noise voltage

IR = 100␮A

35

10Hz < f < 10kHz

⌬VR Long term

stability (non

cumulative)

t = 1000Hrs IR = 100␮A 120

VHYST Thermal

hysteresis

⌬T = -40°C to +125°C

0.08

LM4040

D limits

±25

±49

±63

65

70

73

±150

1.0

1.2

1.2

8.0

10.0

10.0

1.1

Units

V

mV

␮A

ppm/°C

mV

⍀

␮VRMS

ppm

%

Issue 4 - July 2008

3

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