• VERY HIGH ACCURACY: 2.5000 V OUTPUT ±200 µV
• EXTREMELY LOW DRIFT: 0.6 ppm/°C 55°C to +125°C
• LOW WARM-UP DRIFT: 1 ppm Typ.
• EXCELLENT STABILITY: 6 ppm/1000 Hrs. Typ.
• EXCELLENT LINE REGULATION: 6ppm/V Typ.
• HERMETIC 20 TERMINAL CERAMIC LCC
• MILITARY PROCESSING OPTION
VRE202
Precision Surface Mount
Reference Supplies
DESCRIPTION
APPLICATIONS
• PRECISION A/D and D/A CONVERTERS
• TRANSDUCER EXCITATION
• ACCURATE COMPARATOR THRESHOLD
REFERENCE
• HIGH RESOLUTION SERVO SYSTEMS
• DIGITAL VOLTMETERS
• HIGH PRECISION TEST and
MEASUREMENT INSTRUMENTS
FEATURES
SELECTION GUIDE
VRE202 Series Precision Voltage References
provide ultrastable +2.5000V outputs with ±200
µV initial accuracy and temperature coefficient as
low
as
0.6
ppm/°C
over
the
full
military
temperature range. This improvement in accuracy
is
made
possible
by
a
unique,
proprietary
multipoint
laser
compensation
technique
developed by Thaler Corporation. Significant
improvements
have
been
made
in
other
performance parameters as well, including initial
accuracy, warm-up drift, line regulation, and long-
term stability, making the VRE202 series the most
accurate
and
stable
2.5V
surface
mount
references available.
VRE202 devices are available in two operating
temperature ranges, -25°C to +85°C and -55°C to
+125°C, and two electrical performance grades.
All devices are packaged in 20 terminal ceramic
LCC packages for maximum long-term stability.
"M" versions are screened for high reliability and
quality.
Type
Output
Temperature
Operating Range
Max. Volt
Deviation
VRE202C
+2.5V
-25°C to +85°C
200µV
VRE202CA
+2.5V
-25°C to +85°C
100µV
VRE202M
+2.5V
-55°C to +125°C
400µV
VRE202MA
+2.5V
-55°C to +125°C
200µV
VRE202DS REV. D NOV 2000
THALER CORPORATION • 2015 N. FORBES BOULEVARD • TUCSON, AZ. 85745 • (520) 882-4000
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