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PDF LM285-1.2 Data sheet ( Hoja de datos )
| Número de pieza | LM285-1.2 | |
| Descripción | Micropower Voltage Reference | |
| Fabricantes | Linear | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM285-1.2 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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FEATURES
s 10µA to 20mA Operating Range
s Guaranteed 1% Initial Voltage Tolerance
s Guaranteed 1Ω Dynamic Impedance
s Very Low Power Consumption
U
APPLICATIO S
s Portable Meter References
s Portable Test Instruments
s Battery Operated Systems
s Current Loop Instrumentation
TYPICAL APPLICATIO
LM185-1.2/
LM285-1.2/LM385-1.2
Micropower Voltage
Reference
DESCRIPTIO
The LM185-1.2 is a two terminal band gap reference diode
that has been designed for applications which require
precision performance with micropower operation. The
device provides guaranteed operating specifications at
currents as low as 10µA. The nominal voltage is 1.235V
with both 1% and 2% tolerances available. Some addi-
tional features are: maximum dynamic impedance of 1Ω,
low noise and excellent stability over time and tempera-
ture. Advanced design, processing and testing techniques
make Linear’s LM185-1.2 a superior choice over previous
designs. A micropower 5V reference application is shown
below. For guaranteed TC, micropower references, see the
LT1034 data sheet.
, LTC and LT are registered trademarks of Linear Technology Corporation.
Micropower 5V Reference
V+
LM334
V–
LM385-1.2
VIN
7V TO 15V
R
5.6k
1M
1%
3+ 7
LT1494
2–
4
6
5V
150pF
3.01M
1%
185/285/385 TA01a
Reverse Voltage Change with Current
10
TA = 25°C
8
6
4
2
0
–2
0.01
0.1 1
10
REVERSE CURRENT (mA)
100
185/285/385 TA01b
1
1 page  
SCHE ATIC DIAGRA
LM185-1.2/
LM285-1.2/LM385-1.2
7.5k Q13
Q4
Q12
Q3 Q7
20pF
20pF
Q11
Q1
Q2 Q5
600k
Q10
+
200k
50k
300k
Q9
Q6 Q8
100k
500Ω
60k
Q14
–
185/285/385 SD
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LM285-1.2.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| LM285-1.2 | Micropower Voltage Reference Diode |  National Semiconductor |
| LM285-1.2 | LMx85-1.2 LM385B-1.2 Micropower Voltage References (Rev. J) |  Texas Instruments |
| LM285-1.2 | Micropower Voltage Reference | Linear |
| LM285-1.2-N | LM185-1.2/LM285-1.2/LM385-1.2 Micropower Voltage Reference Diode (Rev. E) | Texas Instruments |
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