REF3312 datasheet(6/35 Pages) TI1

6 / 35 page

REF3312, REF3318, REF3320, REF3325, REF3330, REF3333

SBOS392F – AUGUST 2007 – REVISED NOVEMBER 2016

www.ti.com

Product Folder Links: REF3312 REF3318 REF3320 REF3325 REF3330 REF3333

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(1)

The minimum supply voltage for the REF3312 is 1.7 V.

(2)

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

7.5 Electrical Characteristics

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

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

REF3312 (1.25 V)

VOUT

Output voltage

1.25

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

μVPP

REF3318 (1.8 V)

VOUT

Output voltage

1.8

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

μVPP

REF3320 (2.048 V)

VOUT

Output voltage

2.048

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

μVPP

REF3325 (2.5 V)

VOUT

Output voltage

2.5

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

μVPP

REF3330 (3.0 V)

VOUT

Output voltage

3.0

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

μVPP

REF3333 (3.3 V)

VOUT

Output voltage

3.3

Initial accuracy

–0.15%

0.15%

Output voltage noise

f = 0.1 Hz to 10 Hz

μVPP

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

dVOUT/dT

Output voltage temperature drift

–40°C to 85°C

ppm/°C

–40°C to 125°C

ppm/°C

ΔVO(ΔVI)

Line regulation

VIN = VOUT + 200 mV to 5.5 V

(1)

–50

ppm/V

0°C to +70°C

ppm/V

–40°C to 85°C

ppm/V

–40°C to 125°C

ppm/V

ΔVO(ΔIL)

Load regulation

VIN = VOUT + 200 mV

(1)

–50

ppm/mA

ILOAD = ±5 mA, 0°C to 70°C

ppm/mA

–40°C to 85°C

ppm/mA

–40°C to 125°C

ppm/mA

Thermal hysteresis(2)

ppm

VIN – VOUT

Minimum dropout voltage(1)

ILOAD = ±5 mA

110

160

0°C to 70°C

120

–40°C to 85°C

135

–40°C to 125°C

180

ILOAD = ±2 mA, –40°C to 85°C

ISC

Short-circuit current

Sourcing and sinking

Capacitive load

0.1

μF

Turn-on settling time

To 0.1% with CL = 1 μF

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