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Linear Technology Electronic Components Datasheet

LT1034-2.5 Datasheet

Micropower Dual Reference

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FEATURES
s Guaranteed 20 ppm/°C Drift
s Guaranteed 40 ppm/°C Drift (SO-8 Package)
s 20µA to 20mA Operation (1.2V)
s Dynamic Impedance: 1
s 7V, 100µA Reference
U
APPLICATIO S
s Portable Meters
s Precision Regulators
s Calibrators
TYPICAL APPLICATIO
15V
50k
7V OUTPUT
7V
500k
1.2V OR 2.5V
OUTPUT
1.225V
OR 2.500V
LT1034 • TA01
LT1034-1.2/LT1034-2.5
Micropower Dual
Reference
DESCRIPTIO
The LT®1034 is a micropower, precision 1.2V/2.5 refer-
ence combined with a 7V auxiliary reference. The 1.2V/2.5V
reference is a trimmed, thin-film, band-gap, voltage refer-
ence with 1% initial tolerance and guaranteed 20ppm/°C
temperature drift. Operating on only 20µA, the LT1034
offers guaranteed drift, low temperature cycling hyster-
esis and good long-term stability. The low dynamic im-
pedance makes the LT1034 easy to use from unregulated
supplies. The 7V reference is a subsurface zener device for
less demanding applications.
The LT1034 reference can be used as a high performance
upgrade of the LM385 or LT1004, where guaranteed
temperature drift is desired.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Temperature Drift LT1034CS8-1.2
2.5
2.0
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
–2.0
–2.5
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
LT1034 • TPC02
1034fe
1


Linear Technology Electronic Components Datasheet

LT1034-2.5 Datasheet

Micropower Dual Reference

No Preview Available !

LT1034-1.2/LT1034-2.5
ABSOLUTE MAXIMUM RATINGS (Note 1)
Operating Current ................................................. 20mA
Forward Current (Note 2) ..................................... 20mA
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
Operating Temperature
Commercial ............................................. 0° to 70°C
Industrial .......................................... – 40°C to 85°C
Military (OBSOLETE) ................. – 55°C to 125°C
PACKAGE/ORDER INFORMATION
BOTTOM VIEW
1.2V
7V
H PACKAGE
3-LEAD TO-46 METAL CAN
TJMAX = 150°C, θJA = 440°C/ W,
θJC = 80°C/ W
ORDER PART NUMBER
LT1034BCH-1.2
LT1034BCH-2.5
LT1034BMH-1.2
LT1034BMH-2.5
LT1034CH-1.2
LT1034CH-2.5
LT1034MH-1.2
LT1034MH-2.5
OBSOLETE PACKAGE
Consider the Z Package for Alternate Source
BOTTOM VIEW
1.2V
7V
Z PACKAGE
3-LEAD TO-92 PLASTIC
TJMAX = 100°C, θJA = 160°C/ W
ORDER PART NUMBER
LT1034BCZ-1.2
LT1034BCZ-2.5
LT1034BIZ-1.2
LT1034BIZ-2.5
LT1034CZ-1.2
LT1034CZ-2.5
LT1034IZ-1.2
LT1034IZ-2.5
Consult LTC Marketing for parts specified with wider operating temperature ranges.
TOP VIEW
NC 1
NC 2
NC 3
GND 4
8 2.5V
7 NC
6 2.5V
5 7V
S8 PACKAGE
8-LEAD PLASTIC SO
TJMAX = 175°C, θJA = 150°C/ W
ORDER PART
NUMBER
LT1034CS8-1.2
LT1034CS8-2.5
LT1034IS8-1.2
LT1034IS8-2.5
PART MARKING
3401
3402
1034I12
34I02
1034fe
2


Part Number LT1034-2.5
Description Micropower Dual Reference
Maker Linear
Total Page 8 Pages
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