REF5025AQDRQ1 datasheet(6/25 Pages) TI1

Part #	REF5025AQDRQ1

Description	Low-Noise, Very Low Drift, Precision Voltage Reference

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Manufacturer	TI1 [Texas Instruments]

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REF5020A-Q1, REF5025A-Q1, REF5030A-Q1

REF5040A-Q1, REF5045A-Q1, REF5050A-Q1

SBOS456H – SEPTEMBER 2008 – REVISED FEBRUARY 2015

www.ti.com

7.6 Electrical Characteristics: All Devices

Boldface limits apply over the specified temperature range, TA = –40°C to 125°C.

TA = 25°C, ILOAD = 0, CL = 1 μF, VIN = (VOUT + 0.2 V) to 18 V (unless otherwise noted).

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

dVOUT/dT

Output voltage temperature drift, standard grade

Over temperature

3

8

ppm/°C

REF5020 only(1)

VIN = 2.7 V to 18 V

0.1

1

ppm/V

dVOUT/dVIN

Line regulation

All other devices

VIN = VOUT + 0.2 V

0.1

1

ppm/V

All devices

Over temperature

0.2

1

ppm/V

REF5020 only

–10 mA < ILOAD < +10 mA, VIN = 3 V

20

30

ppm/mA

–10 mA < ILOAD < +10 mA,

All other devices

20

30

ppm/mA

dVOUT/dILOAD

Load regulation

VIN = VOUT + 0.75 V

Over temperature,

All devices

50

ppm/mA

–10 mA < ILOAD < +10 mA

ISC

Short-circuit current

VOUT = 0 V

25

mA

Cycle 1

10

ppm

Thermal hysteresis, (2) standard grade

Cycle 2

5

ppm

0 to 1000 hours

90

ppm/1000 hr

Long-Term Stability

1000 to 2000 hours

10

ppm/1000 hr

Voltage output, TEMP pin

At TA = 25°C

575

mV

Temperature sensitivity , TEMP pin

Over temperature

2.64

mV/°C

Turn-on settling time

To 0.1% with CL = 1 μF

200

μs

VOUT +

VS

Power supply voltage

See Note (1)

18

V

0.2(1)

0.8

1

mA

Power supply, quiescent current

Over temperature

1.2

mA

TEMPERATURE RANGE

Specified range

–40

125

°C

Operating range

–55

125

°C

Thermal resistance

150

°C/W

(1)

For VOUT ≤ 2.5 V, the minimal supply voltage is 2.7 V.

(2)

The Thermal Hysteresis section explains the thermal hysteresis procedure in detail.

6

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Product Folder Links: REF5020A-Q1 REF5025A-Q1 REF5030A-Q1 REF5040A-Q1 REF5045A-Q1 REF5050A-Q1

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