LM399AH#PBF Datasheet LM399AH#PBF, LM399H#PBF, LM399AH | P4-P6

LM199/LM399

LM199A/LM399A

4

199399fc

For more information www.linear.com/LM399

Typical perForMance characTerisTics

Zener Noise Voltage Response Time Limiting Surge Current

FREQUENCY (Hz)

10

50

100

150

200

100 1k 10k 100k

LM199 G07

NOISE (nV/√Hz)

T

J

= 25°C

STABILIZED

(T

J

≈ 90°C)

TIME (µs)

0

VOLTAGE SWING (V)

2

4

6

8

400

LM199 G08

0

10

1

3

5

7

20

0

100

200

300

T

J

= 25°C

OUTPUT

INPUT

STABILIZED

(T

J

≈ 90°C)

INPUT

OUTPUT

7.5k

MINIMUM SUPPLY VOLTAGE (V)

0

MAXIMUM SURGE LIMITING RESISTOR (Ω)

400

600

40

LM199 G09

200

0

10

20

30

800

25°C (46mA)

5°C (60mA)

–15°C (71mA)

–35°C (87mA)

–55°C (105mA)

300

500

100

700

HEATER MUST BE BYPASSED WITH A 2µF OR LARGER

TANTALUM CAPACITOR IF RESISTORS ARE USED

Long-Term Reference

Performance, 44 Units Tested Low Frequency Noise Voltage

MONTHS

2

0

DRIFT (ppm)

2

4

6

8

10

12

4 6 8 10

LM199 G10

12

3 SIGMA

MEAN

TIME (SECONDS)

0

NOISE(10µV/DIV)

200

LM199 G11

50

100

150

250

Initial Heater Current Heater Current Heater Current

TURN ON TEMPERATURE (°C)

–55

0

INITIAL HEATER CURRENT (mA)

50

150

200

250

–15

25

45 125

LM199 G04

100

–35 5

65

85

105

V

H

= 40V

TEMPERATURE (°C)

–55

HEATER CURRENT (mA)

40

60

105

LM199 G05

20

0

–15

25

65

–35

5

45

85

80

V

H

= 10V

V

H

= 20V

V

H

= 40V

V

H

= 30V

TIME (SECONDS)

0

HEATER CURRENT (mA)

160

140

120

100

80

60

40

20

0

16

LM199 G06

4 8 12 142 6 10 18

V

H

= 10V

V

H

= 20V

T

A

= 25°C

V

H

= 30V

V

H

= 40V

LM199/LM399

LM199A/LM399A

5

199399fc

For more information www.linear.com/LM399

FuncTional block DiagraM

Typical applicaTions

24

13

H

+

–

+

–

LT199 FD

Single Supply Operation

R

S

+

–

6.95V

LM199 TA02

9V TO 40V

LM399

Split Supply Operation

7.5k

+

–

6.95V

LM199 TA03

15V

–15V

LM399

Negative Heater Supply with

Positive Reference

7.5k

+

–

6.95V

LM199 TA04

15V

–9V TO –33V

LM399

Standard Cell Replacement

7.5k

2M

OUTPUT

1µF

2k

2

3

7

4

6

20k

22k

12k

0.1%

OUTPUT

ADJUST

2k

0.1%

3

+

–

1

4 2

6.95V

15V TO 20V

1% REGULATED

LM199A

LM199 TA05

–

+

LT1001AC

100k

LM199/LM399

LM199A/LM399A

6

199399fc

For more information www.linear.com/LM399

Typical applicaTions

scheMaTic DiagraMs

Portable Calibrator

200k

OUTPUT

10V

8.8k

1%

2

3

4

7

6

5k

3k

TRIM

19k

1%

+

–

6.95V

12V TO

18V

LM199 TA06

LM399

+

–

+

LT1001AC

Temperature Stabilizer

Q5

11.2k

2k

D1

6.3V

D2

6.3V

1k4.2Ω

Q6

Q2

Q1

Q9

Q8

+

–

Q7

Q4

LM199 SD01

2k

10pF

Q3

3

4

Reference

Q3

6.3V

50Ω

30k

2k 2.6k

Q10

Q11

Q13

Q14

Q15

15pF

2k

10k

Q12

Q16

1k

+

–

LM199 SD02

1

2

30pF

LM399AH#PBF

LM399AH#PBF

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