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PDF LM368 Data sheet ( Hoja de datos )
| Número de pieza | LM368 | |
| Descripción | LM368-2.5 Precision Voltage Reference | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de LM368 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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December 1994
LM368-2 5 Precision Voltage Reference
General Description
The LM368-2 5 is a precision monolithic temperature-com-
pensated voltage reference The LM368-2 5 makes use of
thin-film technology enhanced by the discrete laser trim-
ming of resistors to achieve excellent Temperature coeffi-
cient (Tempco) of VOUT (as low as 11 ppm C) along with
tight initial tolerance (as low as 0 02%) The trim scheme is
such that individual resistors are cut open rather than being
trimmed (partially cut) to avoid resistor drift caused by elec-
tromigration in the trimmed area The LM368-2 5 also pro-
vides excellent stability vs changes in input voltage and
output current The output is short circuit proof A trim pin is
made available for fine trimming of VOUT or for obtaining
intermediate values without greatly affecting the Tempco of
the device
Features
Y 400 mA operating current
Y Low output impedance
Y Excellent line regulation ( 0001% V typical)
Y Single-supply operation
Y Externally trimmable
Y Low temperature coefficient
Y Excellent initial accuracy (0 02% typical)
Y Best reference available for low-voltage operation
(VS e 5V VREF e 2 500V)
Connection Diagram
Metal Can Package (TO-5)
Top View
case connected to Vb
TL H 8446 – 1
Order Number LM368H-2 5 LM368YH-2 5
See NS Package Number H08C
Typical Applications
Low Voltage Reference
TL H 8446 – 2
C1995 National Semiconductor Corporation TL H 8446
RRD-B30M115 Printed in U S A
1 page  
Typical Applications (Continued)
Multiple Output Voltages
R e Thin Film Resistor Network
0 05% Matching and 5 ppm Tracking
(Beckman 694-3-R-10K-A)
(Caddock T-914-10K-100-05)
or similar
Reference with Booster
TL H 8446 – 10
TL H 8446 – 9
100 mA Boosted Reference
TL H 8446 – 11
TL H 8446 – 12
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet LM368.PDF ] | |
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