6.9 Electrical Characteristics REF54500

Typical specifications at TA = 25°C, min-max specifications verified across temperature range, IL = 0mA, CIN = 0.1µF, CREF =

10µF, CNR = Open, VIN = VREF + VDO, unless otherwise noted

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

ACCURACY AND DRIFT

Output voltage accuracy TA = 25°C

–0.02

0.02

%

Output voltage

temperature coefficient

Q grade; –40°C ≤ TA ≤ 125°C (1)

1.5

ppm/

℃

Ceramic (FKH) package; 0°C ≤ TA ≤ 70°C

0.8

C grade; 0°C ≤ TA ≤ 70°C

1

LINE AND LOAD REGULATION

ΔVR / ΔVIN Line regulation

VREF + VDO ≤ VIN ≤ 10V

4

30

ppm/V

ΔVR / ΔVIN Line regulation

VREF + VDO ≤ VIN ≤ 18V, 0°C ≤ TA ≤ 70°C

1

5

ppm/V

VREF + VDO ≤ VIN ≤ 18V, –40°C ≤ TA ≤ 125°C (1)

1

10

ΔVR / ΔIL

Load regulation

IL = 0mA to 10mA, VIN = VREF + VDO, –40°C ≤

TA ≤ 125°C (1)

5

30

ppm/mA

IL = 0mA to 10mA, VIN = VREF + VDO, 0°C ≤ TA ≤

70°C

5

20

IL = 0mA to –10mA, VIN = VREF + VDO, –40°C ≤

TA ≤ 125°C (1)

5

40

IL = 0mA to –10mA, VIN = VREF + VDO, 0°C ≤ TA ≤

70°C

5

25

NOISE

enp-p

Low frequency noise

ƒ = 0.1Hz to 10Hz

0.45

ppmp-p

enp-p

Low frequency noise

ƒ = 0.1Hz to 10Hz, CNR = 10µF

0.24

ƒ = 0.1Hz to 10Hz, CNR = 100µF

0.11

en

Output voltage noise

ƒ = 10Hz to 1kHz

0.7

ppmrms

en

ƒ = 10Hz to 1kHz, CNR = 1µF

0.16

ppmrms

HYSTERESIS AND LONG-TERM STABILITY

ΔVREF_LTD

Long-term stability -

SOIC (D) package

250h TA = 35°C

14

ppm

1000h TA = 35°C

25

2000h TA = 35°C

32

4500h TA = 35°C

46

ΔVREF_LTD

Long-term stability -

Ceramic (FKH) package

250h TA = 35°C

2

ppm

1000h TA = 35°C

3

2000h TA = 35°C

4

4500h TA = 35°C

4

ΔVREF_HYS

Output voltage

hysteresis - SOIC (D)

package

25°C, 0°C, 70°C, 25°C (cycle 1)

18

ppm

25°C, 0°C, 70°C, 25°C (cycle 2)

0.8

ΔVREF_HYS

Output voltage

hysteresis - Ceramic

(FKH) package

25°C, 0°C, 70°C, 25°C (cycle 1) – FKH package

5

ppm

25°C, 0°C, 70°C, 25°C (cycle 2) – FKH package

4

ppm

TURN ON TIME

tON

Turn-on time

0.1% settling, CREF = 1µF

0.7

ms

CAPACITIVE LOAD

CIN

Stable input capacitor

range

–40

℃ ≤ TA ≤ 125℃

0.1

µF

CREF

Stable output capacitor

range (2)

–40

℃ ≤ TA ≤ 125℃

1

100

µF

POWER SUPPLY

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REF54

SNVSCN7D – NOVEMBER 2023 – REVISED JUNE 2026

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