LM399_15 Datasheet, PDF (2/8 Pages) Linear Technology – Precision Reference

LM199/LM399
LM199A/LM399A
Absolute Maximum Ratings
(Note 1)
Temperature Stabilizer...............................................40V
Reverse Breakdown Current....................................20mA
Forward Current........................................................1mA
Reference to Substrate Voltage, V_RS (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
Pin Configuration
TOP VIEW
+1
4–
H
–2
3+
H PACKAGE
4-LEAD TO-46 METAL CAN
INSIDE THERMAL SHIELD
Order Information
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
LM399H
LM399H#TRPBF
LM399H
4-Lead TO-46 Metal Can
LM399AH
LM399AH#TRPBF
LM399AH
4-Lead TO-46 Metal Can
OBSOLETE PACKAGE
LM199H
LM199H#TRPBF
4-Lead TO-46 Metal Can
LM199AH
LM199AH#TRPBF
4-Lead TO-46 Metal Can
LM199AH-20
LM199AH-20#TRPBF
4-Lead TO-46 Metal Can
LM399AH-20
LM399AH-20#TRPBF
4-Lead TO-46 Metal Can
LM399AH-50
LM399AH-50#TRPBF
4-Lead TO-46 Metal Can
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on nonstandard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
TEMPERATURE RANGE
0°C to 70°C
0°C to 70°C
–55°C to 125°C
–55°C to 125°C
–55°C to 125°C
0°C to 70°C
0°C to 70°C
ELECTRICAL Characteristics The l denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T_A = 25°C. (Note 3)
LM199/LM199A
LM399/LM399A
SYMBOL PARAMETER
CONDITIONS
MIN TYP MAX MIN TYP MAX
UNITS
V_Z
Reverse Breakdown Voltage
0.5mA ≤ I_R ≤ 10mA
l 6.8 6.95 7.1 6.75 6.95 7.3
V
ΔV_Z
Reverse Breakdown Voltage Change 0.5mA ≤ I_R ≤ 10mA
with Current
l
6
9
6 12
mV
r_Z
ΔVZ
ΔTemp
Reverse Dynamic Impedance
Temperature Coefficient
LM199/LM399
I_R = 1mA (Note 6) (10Hz ≤ f ≤ 100Hz) l
–55°C ≤ T_A ≤ 85°C
85°C ≤ T_A ≤ 125°C
0°C ≤ T_A ≤ 70°C
0.5 1
0.3 1
5 15
0.5 1.5
0.3 2
Ω
ppm/°C
ppm/°C
ppm/°C
LM199A/LM399A
e_n
RMS Noise
–55°C ≤ T_A ≤ 85°C
85°C ≤ T_A ≤ 125°C
0°C ≤ T_A ≤ 70°C
10Hz ≤ f ≤ 10kHz
0.2 0.5
5 10
l
7 20
0.3 1
ppm/°C
ppm/°C
ppm/°C
7 50
µV
199399fc
2
For more information www.linear.com/LM399