2

LT1389

OUTPUT

TEMPERATURE COEFFICIENT

TEMPERATURE

VOLTAGE

ACCURACY (%)

(ppm/

°C)

PART TYPE

PART MARKING

0

°C to 70°C

1.250

0.05

10

LT1389ACS8-1.25

389A12

1.250

0.05

20

LT1389BCS8-1.25

389B12

2.500

0.05

20

LT1389BCS8-2.5

389B25

4.096

0.075

50

LT1389BCS8-4.096

1389B4

5.000

0.075

50

LT1389BCS8-5

1389B5

ORDER PART

NUMBER

(Note 1)

Operating Current

1.25V ............................................................... 20mA

2.5V ................................................................. 20mA

4.096V ............................................................. 10mA

5V .................................................................... 10mA

Forward Current .................................................. 20mA

Operating Temperature Range ..................... 0

°C to 70°C

Storage Temperature Range (Note 2) ... – 65

°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300

°C

S8 PART MARKING

LT1389ACS8-1.25

LT1389BCS8-1.25

LT1389BCS8-2.5

LT1389BCS8-4.096

LT1389BCS8-5

389A12

389B12

389B25

*Connected internally. Do Not Connect external circuitry to these pins.

Consult factory for Industrial and Military grade parts.

1

2

3

4

8

7

6

5

TOP VIEW

S8 PACKAGE

8-LEAD PLASTIC SO

DNC*

DNC*

DNC*

GND

DNC*

DNC*

GND

AVAILABLE OPTIO S

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Reverse Breakdown Voltage

1.24937

1.250

1.25062

V

– 0.05

0.05

%

q

1.24849

1.250

1.25149

V

– 0.12

0.12

%

q

1.24762

1.250

1.25237

V

– 0.19

0.19

%

Reverse Breakdown Change

0.8

0.20

0.4

mV

with Current (Note 4)

q

0.20

1.0

mV

200

0.3

1.0

mV

q

0.3

2.0

mV

Minimum Operating Current

q

0.6

µA

Temperature Coefficient

q

4

10

ppm/

°C

q

4

20

ppm/

°C

Reverse Dynamic Impedance (Note 5)

0.8

0.25

0.7

Ω

q

0.25

1.5

Ω

Low Frequency Noise (Note 6)

25

1.25V ELECTRICAL CHARACTERISTICS

1389B4

1389B5

PACKAGE/ORDER I FOR ATIO

ABSOLUTE

AXI U

RATI GS