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PDF LT1034-2.5 Data sheet ( Hoja de datos )
| Número de pieza | LT1034-2.5 | |
| Descripción | Micropower Dual Reference | |
| Fabricantes | Linear Technology | |
| Logotipo |  |
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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: 1Ω
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
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1
1 page  
TYPICAL PERFORMANCE CHARACTERISTICS
LT1034-1.2/LT1034-2.5
Reverse Characteristics 1.2V
16
TA = –55°C TO 125°C
VREF = 1.2V
12
Reverse Characteristics 2.5V
100
10
81
4 0.1
0
0 0.4 0.8 1.2 1.6
REVERSE VOLTAGE (V)
LT1034 • TPC07
Forward Characteristics
1.2
TA = 25°C
0.8
0.4
0
0.01
0.1 1 10 100
FORWARD CURRENT (mA)
LT1034 • TPC10
0.01
2.490
2.495 2.500 2.505
REVERSE VOLTAGE (V)
2.510
LT1034 • TPC02
Response Time
8 OUTPUT
6
82k
4 VIN
VOUT
2 7V
0
15 INPUT
0
0 20 40 60 80
TIME (µs)
LT1180A • TPC11
Reverse Characteristics 7V
100
TA = –55°C TO 125°C
VREF = 7V
80
60
40
20
0
0 1 2 3 4 5 6 7 8 9 10
REVERSE VOLTAGE (V)
LT1034 • TPC09
Response Time
1.5 OUTPUT
1.0 36k
VIN VOUT
0.5 1.2V
0
5 INPUT
0
0 100 200 300 400
TIME (µs)
LT1180A • TPC12
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5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LT1034-2.5.PDF ] | |
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