REF50 datasheet(7/52 Pages) TI2

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6.5 Electrical Characteristics REF50xxI and REF50xxAI

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

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

OUTPUT VOLTAGE

VOUT

Output Voltage

REF5020 (VOUT = 2.048V) (1), 2.7V < VIN < 18V

2.048

REF5025

2.5

REF5030

3.0

REF5040

4.096

REF5045

4.5

REF5050

REF5010

Initial

Accuracy

High Grade

All voltage options (1)

-0.05

0.05

Standard Grade

All voltage options (1)

–0.1

0.1

NOISE

enpp

Low Frequency noise

ƒ = 0.1Hz to 10Hz

µVPP/V

Output Voltage Noise

ƒ = 10Hz to 1kHz

0.9

µVrms/V

OUTPUT VOLTAGE TEMPERATURE DRIFT

dVOUT/dT

High grade

TA = –40°C to 125°C

2.5

pm/

℃

Standard grade

LINE REGULATION

ΔVO(ΔVI)

Line regulation

VIN = (VOUT + 0.2V) to 18V(1)

ppm/V

VIN = (VOUT + 0.2V) TO 18V, TA = –40°C to

125°C(1)

LOAD REGULATION

ΔVO(ΔIL)

Load regulation

–10mA < IOUT < 10mA, VIN = VOUT + 0.75V(2)

ppm/mA

10mA < IOUT < 10mA, VIN = VOUT + 0.75V(2), TA =

–40°C to 125°C

SHORT-CIRCUIT CURRENT

ISC

Short circuit current

VOUT = 0

THERMAL HYSTERESIS

High grade

VSSOP-8

Cycle 1

ppm

Cycle 2

SOIC-8

Cycle 1

Cycle 2

Standard

grade

VSSOP-8

Cycle 1

Cycle 2

SOIC-8

Cycle 1

Cycle 2

LONG-TERM STABILITY

ΔVOUT_LTD

VSSOP-8

0 to 1000 hours

ppm

1000 to 2000 hours

SOIC-8

0 to 1000 hours

1000 to 2000 hours

TEMP PIN

Voltage output

575

Temperature sensitivity

TA = -40°C to 125°C

2.64

mV/

℃

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REF50, REF50E

SBOS410O – JUNE 2007 – REVISED OCTOBER 2025

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