LM199/LM399
LM199A/LM399A
ABSOLUTE
(Note 1)
AXI U RATI GS
PACKAGE/ORDER I FOR ATIO
TOP VIEW
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
+
1
H
4
–
–
2
3
+
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:
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
SYMBOL PARAMETER
V
Z
ΔV
Z
r
Z
ΔV
Z
ΔTemp
Reverse Breakdown Voltage
Reverse Breakdown Voltage Change
with Current
Reverse Dynamic Impedance
Temperature Coefficient
LM199/LM399
CONDITIONS
The
●
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Note 3)
LM199/LM199A
MIN
TYP
MAX
●
●
LM399/LM399A
MIN
TYP
MAX
6.75
6.95
6
0.5
7.3
12
1.5
UNITS
V
mV
Ω
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
ppm/°C
µV
0.5mA ≤ I
R
≤ 10mA
0.5mA ≤ I
R
≤ 10mA
6.8
6.95
6
0.5
0.3
5
0.2
5
7.1
9
1
1
15
I
R
= 1mA (Note 6) (10Hz ≤ f ≤ 100Hz)
●
–55°C ≤ T
A
≤ 85°C
85°C ≤ T
A
≤ 125°C
0°C ≤ T
A
≤ 70°C
–55°C ≤ T
A
≤ 85°C
85°C ≤ T
A
≤ 125°C
0°C ≤ T
A
≤ 70°C
10Hz ≤ f ≤ 10kHz
Stabilized, 22°C ≤ T
A
≤ 28°C,
1000 Hours, I
R
= 1mA ±0.1%
●
0.3
0.5
10
0.3
7
8
8.5
22
●
2
LM199A/LM399A
1
50
e
n
ΔV
Z
ΔTime
I
H
V
H
RMS Noise
Long-Term Stability
20
(Note 4)
14
28
40
9
7
8
8.5
(Note 4) ppm/√kH
15
40
mA
V
Seconds
200
mA
LM199399fb
Temperature Stabilizer Supply Current T
A
= 25°C, Still Air, V
H
= 30V
T
A
= –55°C (Note 5)
Temperature Stabilizer Supply Voltage
Warm-Up Time to ±0.05% V
Z
Initial Turn-On Current
V
H
= 30V
9V ≤ V
H
≤ 40V (Note 5)
9
3
140
200
3
140
2
U
W
U
U
W W
W
LINER [ LINEAR TECHNOLOGY ]
