REF3112AIDBZR datasheet(3/11 Pages) BURR-BROWN

Part #	REF3112AIDBZR

Description	15ppm/C Max, 100UA, SOT23-3 SERIES VOLTAGE REFERENCE

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Manufacturer	BURR-BROWN [Burr-Brown (TI)]

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3 / 11 page

REF3112, 3120, 3125, 3130, 3133, 3140

3

SBVS046A

www.ti.com

ELECTRICAL CHARACTERISTICS

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

At TA = +25°C, ILOAD = 0mA, VIN = +5V, unless otherwise noted.

REF31xx

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

REF3130 – 3.0V

OUTPUT VOLTAGE

V

OUT

2.9940

3.0

3.0060

V

Initial Accuracy

–0.2

0.2

%

NOISE

Output Voltage Noise

f = 0.1Hz to 10Hz

39

µV

PP

Voltage Noise

f = 10Hz to 10kHz

57

µVrms

REF3133 – 3.3V

OUTPUT VOLTAGE

V

OUT

3.2934

3.30

3.3066

V

Initial Accuracy

–0.2

0.2

%

NOISE

Output Voltage Noise

f = 0.1Hz to 10Hz

43

µV

PP

Voltage Noise

f = 10Hz to 10kHz

63

µVrms

REF3140 – 4.096V

OUTPUT VOLTAGE

V

OUT

4.0878

4.096

4.1042

V

Initial Accuracy

–0.2

0.2

%

NOISE

Output Voltage Noise

f = 0.1Hz to 10Hz

53

µV

PP

Voltage Noise

f = 10Hz to 10kHz

78

µVrms

REF3112, REF3120, REF3125, REF3130, REF3133, REF3140

OUTPUT VOLTAGE TEMP DRIFT(2)

dV

OUT/dT

0

°C ≤ T

A ≤ +70°C

5

15

ppm/

°C

–40

°C ≤ T

A ≤ +125°C

10

20

ppm/

°C

LONG-TERM STABILITY

0-1000h

70

ppm

LINE REGULATION

VREF + 0.05(1) ≤ VIN ≤ 5.5V

20

65

ppm/V

LOAD REGULATION(3)

dVOUT/dILOAD

Sourcing

0mA < I

LOAD < 10mA,

10

30

µV/mA

VIN = VREF + 250mV(1)

Sinking

–10mA < I

LOAD < 0mA,

20

50

µV/mA

VIN = VREF + 100mV(1)

THERMAL HYSTERESIS(4)

dT

First Cycle

100

ppm

Additional Cycles

25

ppm

DROPOUT VOLTAGE(1)

VIN – VOUT

550

mV

OUTPUT CURRENT

ILOAD

–10

10

mA

SHORT-CIRCUIT CURRENT

I

SC

Sourcing

50

mA

Sinking

40

mA

TURN-ON SETTLING TIME

to 0.1% at VIN = +5V with CL = 0

400

µs

POWER SUPPLY

IL = 0

Voltage

V

S

VREF + 0.05(1)

5.5

V

Quiescent Current

I

Q

100

115

µA

Over Temperature

115

135

µA

TEMPERATURE RANGE

Specified Range

–40

+125

°C

Operating Range

–55

+135

°C

Storage Range

–65

+150

°C

Thermal Resistance

SOT23-3 Surface-Mount

θ

JA

336

°C/W

NOTES: (1) Minimum supply voltage for REF3112 is 1.8V.

(2) Box Method used to determine temperature drift.

(3) Typical value of load regulation reflects measurements using force and sense contacts, see section

Load Regulation.

(4) Thermal hysteresis is explained in more detail in Applications Information section of data sheet.

(5) For IL > 0, see Typical Characteristic curves.

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