LM185-ADJ_15 datasheet(4/23 Pages) TI

Part #	LM185-ADJ

Description	Adjustable Micropower Voltage References

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Manufacturer	TI [Texas Instruments]

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LM185-ADJ, LM285-ADJ, LM385-ADJ

SNVS741F – FEBRUARY 2000 – REVISED APRIL 2013

www.ti.com

Electrical Characteristics

(1)

LM185, LM285

LM385

LM185BX,

LM285

LM385

LM185BY

LM385BX,

LM185B,

LM385BY

Units

Parameter

Conditions

LM285BX,

(Limit)

Typ

LM285BY

Tested

Design

Tested

Design

Tested

Design

Tested

Design

Limit

(2)

(3)

(2)

(3)

(2)

(3)

(2)

(3)

Reference

IR = 100μA

1.240

1.252

1.265

1.270

1.240

1.252

1.255

1.265

1.270

V (max)

Voltage

1.255

1.228

1.215

1.205

1.228

1.215

1.205

V (min)

1.215

Reference

IMIN< IR < 1mA

0.2

1

1.5

1

1.5

0.2

1

1.5

1

1.5

mV

Voltage

(max)

1mA < IR < 20mA

4

10

20

10

20

5

15

25

15

25

Change with

Current

Dynamic

IR = 100μA, f =

Output

100Hz

Impedance

IAC = 0.1 IR VOUT =

0.3

0.4

Ω

VREF

VOUT =

0.7

1

5.3V

Reference

IR = 100μA

Voltage

mV

Change with

1

3

6

3

6

2

5

10

5

10

(max)

Output

Voltage

Feedback

13

20

25

20

25

16

30

35

30

35

nA (max)

Current

Minimum

VOUT = VREF

6

9

10

9

10

7

11

13

11

13

μA

Operating

(max)

VOUT = 5.3V

30

45

50

45

50

35

55

60

55

60

Current (see

curve)

Output

IR = 100μA, 10Hz < f

μVrms

Wideband

< 10kHz

Noise

VOUT = VREF

50

VOUT = 5.3V

170

Average

IR = 100μA

X Suffix

30

Temperature

Y Suffix

50

ppm/°c

Coefficient

(max)

All

150

(4)

Others

Long Term

IR = 100μA, T = 1000

20

ppm

Stability

Hr,

TA = 25°C ± 0.1°C

(1)

Parameters identified with boldface type apply at temperature extremes. All other numbers apply at TA = TJ = 25°C. Unless otherwise

specified, all parameters apply for VREF < VOUT < 5.3V.

(2)

Production tested.

(3)

Not production tested. These limits are not to be used to calculate average outgoing quality levels.

(4)

The average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures from TMIN

to TMAX, divided by TMAX − TMIN. The measured temperatures are −55, −40, 0, 25, 70, 85, 125°C.

4

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