REF3312, REF3318, REF3320, REF3325, REF3330, REF3333

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SBOS392E – AUGUST 2007 – REVISED OCTOBER 2014

7.5 Electrical Characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

REF3312 (1.25 V)

Output voltage

1.25

V

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

35

REF3318 (1.8 V)

Output voltage

1.8

V

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

50

REF3320 (2.048 V)

Output voltage

2.048

V

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

55

REF3325 (2.5 V)

Output voltage

2.5

V

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

70

REF3330 (3.0 V)

Output voltage

3.0

V

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

84

REF3333 (3.3 V)

Output voltage

3.3

V

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

92

REF33xx (REF3312, REF3318, REF3320, REF3325, REF3330, REF3333)

–40°C to 85°C

9

30

ppm/°C

Output voltage temperature drift

–40°C to 125°C

8

30

ppm/°C

(1)

–50

6

50

ppm/V

0°C to +70°C

6

ppm/V

Line regulation

–40°C to 85°C

8

ppm/V

–40°C to 125°C

30

ppm/V

(1)

–50

6

50

ppm/mA

10

ppm/mA

Load regulation

–40°C to 85°C

20

ppm/mA

–40°C to 125°C

20

ppm/mA

dT

90

ppm

110

160

mV

0°C to 70°C

120

mV

–40°C to 85°C

135

mV

–40°C to 125°C

180

mV

70

mV

Short-circuit current

Sourcing and sinking

35

mA

Capacitive load

0.1

10

μF

Turn-on settling time

2

ms

(1)

The minimum supply voltage for the REF3312 is 1.8 V.

(2)

The thermal hysteresis procedure is explained in more detail in the Thermal Hysteresis section.

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