REF6141 datasheet(5/36 Pages) TI1

Part #	REF6141

Description	High-Precision Voltage Reference With Integrated ADC Drive Buffer

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Manufacturer	TI1 [Texas Instruments]

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5

REF6125, REF6130, REF6133, REF6141, REF6145, REF6150

www.ti.com

SBOS747B – MAY 2016 – REVISED AUGUST 2016

Product Folder Links: REF6125 REF6130 REF6133 REF6141 REF6145 REF6150

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(1)

Temperature drift is specified according to the box method. See the Feature Description section for more details.

(2)

See the Thermal Hysteresis section.

7.5

Electrical Characteristics

at TA = 25°C, VIN = 5 V for all devices except REF6150, VIN = 5.4 V for REF6150, IL = 0 mA, CL = 22 µF, CFILT = 1 µF, and

VEN = 5 V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

ACCURACY AND DRIFT

Output voltage accuracy

-0.05%

0.05%

Output voltage temperature

coefficient(1)

8

ppm/°C

LINE AND LOAD REGULATION

ΔVO(ΔVI)

Line regulation

REF6125

VOUT + 0.5 V ≤ VIN ≤ 5.5 V

TA = 25°C

4

20

ppm/V

TA = –40°C to +125°C

30

REF6130,

REF6133,

REF6141,

REF6145

VOUT + 0.25 V ≤ VIN ≤ 5.5 V

TA = 25°C

4

20

TA = –40°C to +125°C

30

REF6150

VOUT + 0.3 V ≤ VIN ≤ 5.5 V

TA = 25°C

7

60

TA = –40°C to +125°C

120

ΔVO(ΔIL)

Load regulation, sourcing and sinking

REF6125,

REF6130,

REF6133,

REF6141

IL = 0 mA to 4 mA,

VIN = VOUT + 600 mV

TA = 25°C

2

20

ppm/mA

TA = –40°C to +125°C

30

REF6145

IL = 0 mA to 3.5 mA,

VIN = VOUT + 600 mV

TA = 25°C

2

20

TA = –40°C to +125°C

30

REF6150

IL = 0 mA to 3 mA,

VIN = VOUT + 400 mV

TA = 25°C

2

20

TA = –40°C to +125°C

50

ISC

Short-circuit current

SS = open

10.5

mA

NOISE

Total integrated noise

CL = 22 µF

5

µVRMS

CL = 47 µF

5

Low frequency noise

0.1 Hz

≤ f ≤ 10 Hz

3

µVPP/V

OUTPUT IMPEDANCE

Output impedance

f = DC to 200 kHz, CL= 47 μF

50

mΩ

TURN-ON TIME

ton

Turn-on time

0.1% settling, CL = 47 µF, SS = open, REF6125

100

ms

HYSTERESIS AND LONG TERM DRIFT

Long term stability

0 to 1000h at 25°C

80

ppm

1000h to 2000h at 25°C

20

Output voltage hysteresis(2)

25°C, –40°C,125°C, 25°C (cycle 1)

33

ppm

25°C, –40°C,125°C, 25°C (cycle 2)

8

CAPACITIVE LOAD

CL

Stable output capacitor value

10

47

µF

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