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