PRECISION SHUNT VOLTAGE
REFERENCE
PRELIMINARY - April 13, 1998
SC4040
TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com
DESCRIPTION
The SC4040 is a two terminal precision voltage
reference with thermal stability guaranteed over
temperature. The SC4040 has a typical dynamic
output impedance of 0.25Ω. Active output circuitry
provides a very sharp turn on characteristic - the
minimum operating current is 60µA, with a maximum
of 20mA.
Available with five voltage tolerances (0.1%, 0.2%,
0.5%, 1.0% and 2.0%) and three package outlines
(SOT-23, SO-8 and TO-92), this part allows the
designer the opportunity to select the optimum
combination of cost and performance for their
application.
FEATURES
•
Trimmed bandgap design (0.2%)
•
Wide operating current range 60µA to 20mA
•
Low dynamic impedance (0.25Ω)
•
Available in SOT-23, TO-92 and SO-8
APPLICATIONS
•
Cellular telephones
•
Portable computers
•
Instrumentation
•
Automotive
PIN CONFIGURATIONS
SOT-23-3 Lead (Top View)
BLOCK DIAGRAM
Cathode
SO-8 Lead (Top View)
Anode
SYMBOL DIAGRAM
Cathode
TO-92 (Top View)
Anode
1
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