ADR127BUJZ-REEL7 datasheet(7/20 Pages) AD

部品番号	ADR127BUJZ-REEL7

部品情報	Precision, Micropower LDO Voltage References in TSOT

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ADR121/ADR125/ADR127

Rev. 0 | Page 7 of 20

TERMINOLOGY

Temperature Coefficient

The change of output voltage with respect to operating

temperature change normalized by the output voltage at 25°C.

This parameter is expressed in ppm/°C and can be determined

by

[]

()

( )

()

6

1

2

1

2

10

C

25

C

ppm/

×

−

×

°

−

=

°

T

V

T

V

T

V

TCV

O

where:

VO(25°C) = VO at 25°C.

VO(T1) = VO at Temperature 1.

VO(T2) = VO at Temperature 2.

Line Regulation

The change in the output due to a specified change in input

voltage. This parameter accounts for the effects of self-heating.

Line regulation is expressed in either percent per volt, parts-

per-million per volt, or microvolts per voltage changes in input

voltage.

Load Regulation

The change in output voltage due to a specified change in load

current. This parameter accounts for the effects of self-heating.

Load regulation is expressed in either microvolts per milliam-

pere, parts-per-million per milliampere, or ohms of dc output

resistance.

Long-Term Stability

Typical shift of output voltage at 25°C on a sample of parts

subjected to a test of 1000 hours at 25°C.

( )

[]

()

6

1

10

ppm

×

−

=

Δ

−

=

Δ

O

t

V

t

V

t

V

t

V

t

V

where:

VO(t0) = VO at 25°C at Time 0.

VO(t1) = VO at 25°C after 1000 hours operating at 25°C.

Thermal Hysteresis

The change of output voltage after the device is cycled through

temperatures from +25°C to −40°C to +125°C and back to

+25°C. This is a typical value from a sample of parts put

through such a cycle.

where:

VO (25°C) = VO at 25°C.

VOTC = VO at 25°C after temperature cycle at +25°C to −40°C to

+125°C and back to +25°C.

同様の部品番号 - ADR127BUJZ-REEL7

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Analog Devices	ADR127BUJZ-REEL71	604Kb / 20P	Precision, Micropower LDO Voltage References in TSOT REV. B

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同様の説明 - ADR127BUJZ-REEL7

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