LM199 datasheet(2/8 Pages) LINER

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LM199/LM399

LM199A/LM399A

LM199399fb

Temperature Stabilizer ..............................................40V

Reverse Breakdown Current...................................20mA

Forward Current.......................................................1mA

Reference to Substrate Voltage, VRS (Note 2)........–0.1V

Operating Temperature Range

LM199/LM199A (OBSOLETE)............ –55°C to 125°C

LM399/LM399A....................................... 0°C to 70°C

Storage Temperature Range

LM199/LM199A (OBSOLETE)............ –65°C to 150°C

LM399/LM399A................................. –65°C to 150°C

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

(Note 1)

The

● denotes the speciﬁcations which apply over the full operating

temperature range, otherwise speciﬁcations are at TA = 25°C. (Note 3)

LM199/LM199A

LM399/LM399A

SYMBOL PARAMETER

CONDITIONS

MIN

TYP

MAX

MIN

TYP

MAX

UNITS

Reverse Breakdown Voltage

0.5mA ≤ IR ≤ 10mA

●

6.8

6.95

7.1

6.75

6.95

7.3

ΔVZ

Reverse Breakdown Voltage Change

with Current

0.5mA ≤ IR ≤ 10mA

●

Reverse Dynamic Impedance

IR = 1mA (Note 6) (10Hz ≤ f ≤ 100Hz) ●

0.5

1.5

ΔVZ

ΔTemp

Temperature Coefﬁcient

LM199/LM399

–55°C ≤ TA ≤ 85°C

85°C ≤ TA ≤ 125°C

0°C ≤ TA ≤ 70°C

0.3

ppm/°C

LM199A/LM399A

–55°C ≤ TA ≤ 85°C

85°C ≤ TA ≤ 125°C

0°C ≤ TA ≤ 70°C

0.2

0.5

0.3

ppm/°C

RMS Noise

10Hz ≤ f ≤ 10kHz

●

µV

ΔVZ

ΔTime

Long-Term Stability

Stabilized, 22°C ≤ TA ≤ 28°C,

1000 Hours, IR = 1mA ±0.1%

(Note 4)

(Note 4) ppm/√kH

Temperature Stabilizer Supply Current TA = 25°C, Still Air, VH = 30V

TA = –55°C (Note 5)

8.5

Temperature Stabilizer Supply Voltage

●

Warm-Up Time to ±0.05% VZ

VH = 30V

Seconds

Initial Turn-On Current

9V ≤ VH ≤ 40V (Note 5)

140

200

140

200

ELECTRICAL CHARACTERISTICS

ABSOLUTE

AXI U

RATI GS

PACKAGE/ORDER I FOR ATIO

TOP VIEW

+ 1

H PACKAGE

4-LEAD TO-46 METAL CAN

INSIDE THERMAL SHIELD

–

ORDER PART NUMBER

LM399H

LM399AH

LM199H

LM199AH

LM199AH-20

LM399AH-20

LM399AH-50

OBSOLETE

Order Options Tape and Reel: Add #TR

Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF

Lead Free Part Marking: http://www.linear.com/leadfree/

Consult LTC Marketing for parts speciﬁed with wider operating temperature ranges.

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