
LM129/LM329
2
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. (Note 2)
ABSOLUTE
AXI U
RATI GS
W
WW
U
Operating Temperature Range
LM129 (OBSOLETE) ................... –55
°C to 125°C
LM329 ..................................................... 0
°C to 70°C
Storage Temperature Range ................. – 65
°C to 150°C
ORDER PART
NUMBER
TJMAX = 150°C, θJA = 160°C/W
LM129AH
LM129BH
LM129CH
PACKAGE/ORDER I FOR ATIO
UU
W
(Note 1)
Consult LTC Marketing for availability of LM329AZ,LM329CZ and LM329DZ
Lead Temperature (Soldering, 10 sec).................. 300
°C
Reverse Breakdown Current ................................. 30mA
Forward Current ..................................................... 2mA
TJMAX = 150°C,
θJA = 440°C/W, θJC = 80°C/W
ORDER PART
NUMBER
LM329AZ
LM329BZ
LM329CZ
LM329DZ
LM329AH
LM329BH
LM329CH
LM329DH
BOTTOM VIEW
Z PACKAGE
3-LEAD PLASTIC TO-92
BOTTOM VIEW
H PACKAGE
2-LEAD TO-46 METAL CAN
LM129A/
LM329A/LM329B/
LM129B/LM129C
LM329C/LM329D
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
VZ
Reverse Breakdown Voltage
TA = 25°C, 0.6mA ≤ IR ≤ 15mA
6.7
6.9
7.2
6.6
6.9
7.25
V
VZ
Reverse Breakdown Voltage
TA = 25°C, 0.6mA ≤ IR ≤ 15mA
9
14
9
20
mV
IR
Change with Current
1mA
≤ IR ≤ 15mA
q
12
mV
VZ
Temperature Coefficient
IR = 1mA,
Temp
LM129A/LM329A
q
6
10
6
10
ppm/
°C
LM129A/LM329B
q
15
20
15
20
ppm/
°C
LM129A/LM329C
q
30
50
30
50
ppm/
°C
LM329D
q
50
100
ppm/
°C
Change in Temperature
Coefficient
1mA
≤ IR ≤ 15mA
q
1
ppm/
°C
rZ
Dynamic Impedance
TA =25°C, IR = 1mA
0.6
1
0.8
2
1mA
≤ IR ≤ 15mA
q
0.8
1
en
RMS Noise
TA =25°C, 10Hz ≤ f ≤ 10kHz
7
20
7
100
V
VZ
Long Term Stability
TA = 45°C ±0.1°C, IR = 1mA ±0.3%
20
ppm/kHr
Time
Note 2: To determine the junction temperature as a function of the
ambient temperature, see
θJA for each package.
OBSOLETE PACKAGE
Consider the Z Package for Alternate Source