Datasheet

2
LT1029/LT1029A
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ELECTRICAL CHARACTERISTICS
PARAMETER CONDITIONS MIN TYP MAX UNITS
Reverse Breakdown Voltage I
R
= 1mA LT1029AM/LT1029AC 4.99 5.00 5.01 V
LT1029M/LT1029C 4.95 5.00 5.05 V
Reverse Breakdown Change with Current 700µA ≤ I
R
≤ 10mA 2 5 mV
● 38 mV
Reverse Dynamic Impedance I
R
= 1mA 0.2 0.6 Ω
● 0.3 1.0 Ω
Temperature Stability I
R
= 1mA LT1029AC ● 37 mV
LT1029C
● 512 mV
LT1029AM
● 718 mV
LT1029M
● 10 36 mV
Equivalent Temperature Drift LT1029AM/LT1029AC ● 820ppm/°C
LT1029C
● 12 34 ppm/°C
LT1029M
● 15 40 ppm/°C
Long Term Stability 20 ppm/kHr
Trim Range ± 3+ 5, – 13 %
PACKAGE/ORDER I FOR ATIO
UU
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
(Note 1)
The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are T
A
= 25°C.
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Storage Temperature ............................ –65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ORDER PART
NUMBER
LT1029AMH
LT1029MH
LT1029ACH
LT1029CH
ORDER PART
NUMBER
LT1029ACZ
LT1029CZ
ADJ
+
–
H PACKAGE
TO-46 METAL CAN
T
JMAX
= 150°C, θ
JA
= 440°C/W, θ
JC
= 80°C/W
BOTTOM VIEW
ADJ
+
–
Z PACKAGE
TO-92 PLASTIC
T
JMAX
= 100°C, θ
JA
= 160°C/W
BOTTOM VIEW
OBSOLETE PACKAGE
Consider the Z Package as an Alternate Source
ABSOLUTE AXI U RATI GS
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Reverse Current .................................................... 15mA
Forward Current ................................................... 10mA
Operating Temperature Range
LT1029C/LT1029AC ............................... 0°C to 70°C
LT1029M/LT1029AM (OBSOLETE) ....– 55°C to 125°C