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LM1403 Datasheet

  • LM1403

  • National Semiconductor [Precision 2.50V Reference]

  • NSC

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LM1403 LM1403A Precision 2 50V Reference
June 1988
LM1403 LM1403A
Precision 2 50V Reference
General Description
The LM1403 is a precision monolithic temperature-com-
pensated voltage reference The LM1403 makes use of
thin-film technology enhanced by the discrete laser trim-
ming of resistors to achieve excellent Temperature coeffi-
cient (Tempco) of V
OUT
(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 LM1403 also provides
excellent stability vs changes in input voltage and output
current The output is current-limited and is short circuit
proof
Features
Y
Y
Y
Y
Y
Y
Y
Y
Y
Low cost
Low 400
mA
operating current
Low output impedance (0 15X)
Excellent line regulation (0 0001% V typical)
Single-supply operation
Low temperature coefficient
Excellent initial accuracy (0 05% typical)
Excellent for low-voltage operation
(V
S
e
5V V
REF
e
2 500V)
For tighter specs refer to LM368-2 5
Connection Diagram
Dual-In-Line Package
TL H 9757 鈥?1
Top View
Order Number LM1403N or LM1403AN
See NS Package Number N08E
Typical Applications
Low Voltage Reference
TL H 9757 鈥?2
C
1995 National Semiconductor Corporation
TL H 9757
RRD-B30M115 Printed in U S A

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