ADR225 datasheet(2/3 Pages) AD

Part #	ADR225

Description	210?C Precision Micropower Voltage Reference

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ADR225

Preliminary Technical Data

Rev. PrA | Page 2 of 3

ELECTRICAL CHARACTERISTICS

@ VS = 3.3V, TMin< TA < TMax , unless otherwise noted.

Table 1.

Parameter

Symbol

Conditions

Min

Typ

Max

Min

Typ

Max

Unit

SOIC −40°C ≤ TA ≤ +175°C

CFP −40°C ≤ TA ≤ +210°C

SUPPLY CURRENT

INITIAL ACCURACY1

Isy

VO

No load

IOUT = 0 mA

30

±2

50

±10

35

±2

μA

mV

TEMPERATURE

COEFFICIENT2

TCVO/°C

IOUT = 0 mA

10

30

20

ppm/°C

LINE REGULATION

ΔVO/ΔVIN

3.0 V ≤ VS ≤ 15 V, IOUT = 0

mA

5

40

5

ppm/V

LOAD REGULATION3

ΔVO/ΔVLOAD

VS = 5.0 V, 0 mA ≤ IOUT ≤ 10

mA

10

40

10

ppm/mA

DROPOUT VOLTAGE

VS − VO

ILOAD = 10 mA

1.00

V

NOISE VOLTAGE

eN

0.1 Hz to 10 Hz

25

μV p-p

1 For proper operation, a 1 μF capacitor is required between the output pin and the GND pin of the device.

2 TCVO is defined as the ratio of output change with temperature variation to the specified temperature range expressed in ppm/°C.

TCVO = (VMAX

− VMIN)/VO(TMAX − TMIN)

3 Load regulation specification includes the effect of self-heating.

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