REF3140-Q1 datasheet(5/23 Pages) TI1

Part #	REF3140-Q1

Description	15 ppm Maximum, 100-uA, SOT-23 Series Voltage Reference

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Manufacturer	TI1 [Texas Instruments]

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5

REF3112-Q1, REF3120-Q1, REF3125-Q1

REF3130-Q1, REF3133-Q1, REF3140-Q1

www.ti.com

SBVS299 – APRIL 2017

Product Folder Links: REF3112-Q1 REF3120-Q1 REF3125-Q1 REF3130-Q1 REF3133-Q1 REF3140-Q1

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Electrical Characteristics (continued)

at TA = 25°C, ILOAD = 0 mA, and VIN = 5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

(2)

Box Method used to determine temperature drift.

(3)

Typical value of load regulation reflects measurements using force and sense contacts; see Load Regulation.

(4)

Thermal hysteresis is explained in more detail in Application and Implementation of this data sheet.

REF3120-Q1 — 2.048 V

VOUT

Output voltage

2.0439

2.048

2.0521

V

Initial accuracy

–0.2%

0.2%

Output voltage noise

f = 0.1 Hz to 10 Hz

27

μVPP

f = 10 Hz to 10 kHz

39

μVRMS

REF3125-Q1 — 2.5 V

VOUT

Output voltage

2.495

2.5

2.505

V

Initial accuracy

–0.2%

0.2%

Output voltage noise

f = 0.1 Hz to 10 Hz

33

μVPP

f = 1 0Hz to 10 kHz

48

μVRMS

REF3130-Q1 — 3 V

VOUT

Output voltage

2.994

3

3.006

V

Initial accuracy

–0.2%

0.2%

Output voltage noise

f = 0.1 Hz to 10 Hz

39

μVPP

f = 10 Hz to 10 kHz

57

μVRMS

REF3133-Q1 — 3.3 V

VOUT

Output voltage

3.2934

3.3

3.3066

V

Initial accuracy

–0.2%

0.2%

Output voltage noise

f = 0.1 Hz to 10 Hz

43

μVPP

f = 10 Hz to 10 kHz

63

μVRMS

REF3140-Q1 — 4.096 V

VOUT

Output voltage

4.0878

4.096

4.1042

V

Initial accuracy

–0.2%

0.2%

Output voltage noise

f = 0.1 Hz to 10 Hz

53

μVPP

f = 10 Hz to 10 kHz

78

μVRMS

REF31xx-Q1 (REF3112-Q1, REF3120-Q1, REF3125-Q1, REF3130-Q1, REF3133-Q1, REF3140-Q1)

dVOUT/dT

Output voltage temperature drift(2)

TA = 0°C to 70°C.

5

15

ppm/°C

TA = –40°C to +125°C .

10

20

Long-term stability

0 to 1000 hours

70

ppm

Line regulation

VREF + 0.05

(1) ≤ V

IN ≤ 5.5 V

20

65

ppm/V

dVOUT/dILOAD

Load regulation(3)

Sourcing

0 mA < ILOAD < 10 mA, VIN = VREF + 250 mV

(1)

10

30

µV/mA

Sinking

–10 mA < ILOAD < 0 mA, VIN = VREF + 100 mV

(1)

20

50

dT

Thermal

hysteresis(4)

First Cycle

100

ppm

Additional Cycles

25

VIN – VOUT

Dropout voltage(1)

TA = –40°C to +125°C.

5

50

mV

ILOAD

Output current

–10

10

mA

ISC

Short-circuit current

Sourcing

50

mA

Sinking

40

Turnon settling time

To 0.1% at VIN = +5 V with CL = 0 μF

400

µs

POWER SUPPLY

VS

Voltage

ILOAD = 0, TA = –40°C to +125°C.

VREF + 0.05

(1)

5.5

V

IQ

Quiescent current

ILOAD = 0, TA = 25°C

100

115

µA

ILOAD = 0, TA = –40°C to +125°C

115

135

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