LM129/LM329
2
ELECTRICAL CHARACTERISTICS
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 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
T
JMAX
= 150°C, θ
JA
= 160°C/W
LM129AH
LM129BH
LM129CH
PACKAGE/ORDER I FOR ATIO
UUW
(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
T
JMAX
= 150°C,
θ
JA
= 440°C/W, θ
JC
= 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
V
Z
Reverse Breakdown Voltage T
A
= 25°C, 0.6mA ≤ I
R
≤ 15mA 6.7 6.9 7.2 6.6 6.9 7.25 V
∆V
Z
Reverse Breakdown Voltage T
A
= 25°C, 0.6mA ≤ I
R
≤ 15mA 9 14 9 20 mV
∆I
R
Change with Current 1mA ≤ I
R
≤ 15mA ● 12 12 mV
∆V
Z
Temperature Coefficient I
R
= 1mA,
∆Temp LM129A/LM329A
● 6 10 6 10 ppm/°C
LM129A/LM329B
● 15 20 15 20 ppm/°C
LM129A/LM329C
● 30 50 30 50 ppm/°C
LM329D
● 50 100 ppm/°C
Change in Temperature
Coefficient 1mA ≤ I
R
≤ 15mA ● 1 1 ppm/°C
r
Z
Dynamic Impedance T
A
=25°C, I
R
= 1mA 0.6 1 0.8 2 Ω
1mA ≤ I
R
≤ 15mA ● 0.8 1 Ω
e
n
RMS Noise T
A
=25°C, 10Hz ≤ f ≤ 10kHz 7 20 7 100 µV
∆V
Z
Long Term Stability T
A
= 45°C ±0.1°C, I
R
= 1mA ±0.3% 20 20 ppm/kHr
∆Time
Note 2: To determine the junction temperature as a function of the
ambient temperature, see θ
JA
for each package.
OBSOLETE PACKAGE
Consider the Z Package for Alternate Source
