6.4 Thermal Information

THERMAL METRIC(1)

REF30XX

REF30XXE

UNIT

DBZ (SOT-23)

DBZ (SOT-23)

3 PINS

3 PINS

RθJA

Junction-to-ambient thermal resistance

297.3

218.5

°C/W

RθJC(top)

Junction-to-case (top) thermal resistance

128.5

120.6

°C/W

RθJB

Junction-to-board thermal resistance

91.7

48.7

°C/W

ΨJT

Junction-to-top characterization parameter

12.8

14.5

°C/W

ΨJB

Junction-to-board characterization parameter

90.3

48.2

°C/W

RθJC(bot)

Junction-to-case (bottom) thermal resistance

N/A

N/A

°C/W

(1)

For more information about traditional and new thermal metrics, see the SPRA953 application report.

6.5 REF30E

at TA = 25°C, VIN = VOUT + 200mV, CIN = 0.1µF, COUT = 0.1µF and ILOAD = 0mA (unless otherwise noted)

PARAMETER

TEST CONDITION

MIN

TYP

MAX

UNIT

REF3012E (1.25V)(1)

VOUT

Output Voltage

1.24875

1.25

1.25125

V

Initial accuracy

-0.1

0.1

%

Output voltage noise

ƒ = 0.1Hz to 10Hz

31.25

µVPP

ƒ = 10Hz to 10kHz

30

µVrms

Line regulation

1.8V ≤ VOUT ≤ 5.75V

31

125

µV/V

REF3016E (1.65V)(1)

VOUT

Output Voltage

1.64835

1.65

1.65165

V

Initial accuracy

-0.1

0.1

%

Output voltage noise

ƒ = 0.1Hz to 10Hz

40

µVPP

ƒ = 10Hz to 10kHz

42

µVrms

Line regulation

1.8V ≤ VOUT ≤ 5.75V

41

165

µV/V

REF3018E (1.8V)

VOUT

Output Voltage

1.7982

1.8

1.8018

V

Initial accuracy

-0.1

0.1

%

Output voltage noise

ƒ = 0.1Hz to 10Hz

45

µVPP

ƒ = 10Hz to 10kHz

51

µVrms

Line regulation

VOUT+ 200mV ≤ VIN ≤ 5.75V

41

165

µV/V

REF3020E (2.048V)

VOUT

Output Voltage

2.045952

2.048

2.050048

V

Initial accuracy

-0.1

0.1

%

Output voltage noise

ƒ = 0.1Hz to 10Hz

51.2

µVPP

ƒ = 10Hz to 10kHz

51

µVrms

Line regulation

VOUT+ 200mV ≤ VIN ≤ 5.75V

51

205

µV/V

REF3025E (2.5V)

VOUT

Output Voltage

2.4975

2.5

2.5025

V

Initial accuracy

-0.1

0.1

%

Output voltage noise

ƒ = 0.1Hz to 10Hz

62.5

µVPP

ƒ = 10Hz to 10kHz

62

µVrms

Line regulation

VOUT+ 200mV ≤ VIN ≤ 5.75V

63

250

µV/V

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REF30, REF30E

SBVS032J – MARCH 2002 – REVISED JULY 2025

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