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Personal Computers
DESCRIPTION
The SPX4040 is a 2-terminal, temperature compensated, bandgap voltage reference that
provides a fixed 2.5V output for input currents between 160碌A and 15mA. The bandgap voltage
(2.5V) is independently trimmed from the output voltage to achive a very low temperature
coefficient. This trimming technique gives a stable device over the full temperature range
(100ppm/擄C).
The SPX4040 is available in 3 pin TO-92, 3 SOT-23 and 8 pin NSOIC packages. The operating
temperature range is -40擄C to 85擄C. The SPX4040 advanced design eliminates the need for an
external stabilizing capacitor while ensuring stability with any capacitive load, making it easy to
use.
TYPICAL APPLICATIONS CIRCUIT
Cathode (K)
R
+
-
R
2.5V
Anode (A)
Date: 1/19/05
SPX4040 Micropower 2.5V Shunt Voltage Reference
漏 Copyright 2005 Sipex Corporation
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