Datasheet

LM199/LM399
LM199A/LM399A
2
LM199399fb
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
(Note 1)
The
● denotes the specifi cations which apply over the full operating
temperature range, otherwise specifi cations 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
●
6.8 6.95 7.1 6.75 6.95 7.3 V
ΔV
Z
Reverse Breakdown Voltage Change
with Current
0.5mA ≤ I
R
≤ 10mA
●
69 612 mV
r
Z
Reverse Dynamic Impedance I
R
= 1mA (Note 6) (10Hz ≤ f ≤ 100Hz)
●
0.5 1 0.5 1.5
Ω
ΔV
Z
ΔTemp
Temperature Coeffi cient
LM199/LM399 –55°C ≤ T
A
≤ 85°C
85°C ≤ T
A
≤ 125°C
0°C ≤ T
A
≤ 70°C
0.3
5
1
15
0.3 2
ppm/°C
ppm/°C
ppm/°C
LM199A/LM399A –55°C ≤ T
A
≤ 85°C
85°C ≤ T
A
≤ 125°C
0°C ≤ T
A
≤ 70°C
0.2
5
0.5
10
0.3 1
ppm/°C
ppm/°C
ppm/°C
e
n
RMS Noise 10Hz ≤ f ≤ 10kHz
●
7 20 7 50 µV
ΔV
Z
ΔTime
Long-Term Stability Stabilized, 22°C ≤ T
A
≤ 28°C,
1000 Hours, I
R
= 1mA ±0.1%
8 (Note 4) 8 (Note 4) ppm/√kH
I
H
Temperature Stabilizer Supply Current T
A
= 25°C, Still Air, V
H
= 30V
T
A
= –55°C (Note 5)
8.5
22
14
28
8.5 15 mA
V
H
Temperature Stabilizer Supply Voltage
●
9 40 9 40 V
Warm-Up Time to ±0.05% V
Z
V
H
= 30V 3 3 Seconds
Initial Turn-On Current 9V ≤ V
H
≤ 40V (Note 5) 140 200 140 200 mA
ELECTRICAL CHARACTERISTICS
ABSOLUTE AXI U RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UUW
TOP VIEW
+
1
H PACKAGE
4-LEAD TO-46 METAL CAN
INSIDE THERMAL SHIELD
–
4
2
–
3
+
H
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 specifi ed with wider operating temperature ranges.