VRE104
Precision
Reference Supplies
•• VERY HIGH ACCURACY: 4.5000 V OUTPUT ±0.4 mV
•• EXTREMELY LOW DRIFT: 0.6 ppm/°C -55°C to +125°C
•• EXCELLENT STABILITY: 6 ppm/1000 Hrs. Typ.
•• EXCELLENT LINE REGULATION: 6 ppm/V Typ.
•• WIDE SUPPLY RANGE: +13.5 to +22.0 V
•• HERMETIC 14-PIN CERAMIC DIP
•• MILITARY PROCESSING OPTIONS
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
VRE104 Series Precision Voltage References
provide ultrastable +4.500 V outputs with up to
±0.4
mV
initial
accuracy
and
temperature
coefficient as low as 0.6 ppm/°C over the full
military temperature range.
These references are specifically designed to be
used with the Crystal Semiconductor line of
successive-approximation type Analog to Digital
Converters (ADCs). This line of ADCs sets new
standards for temperature drift, which can only be
as good as the external reference used. The
Thaler VRE104 combined with a Crystal ADC will
provide
the
lowest
drift
data
conversion
obtainable.
Type
Output
Temperature
Operating Range
Max. Volt
Deviation
VRE104C
+4.5V
-25°C to +85°C
0.4mV
VRE104CA
+4.5V
-25°C to +85°C
0.2mV
VRE104M
+4.5V
-55°C to +125°C
0.6mV
VRE104MA
+4.5V
-55°C to +125°C
0.3mV
VRE104 series devices are available in two operating temperature ranges, -25°C to +85°C and -55°C to
+125°C, and two performance grades. All devices are packaged in 14-pin hermetic ceramic packages for
maximum long-term stability. "M" versions are screened for high reliability and quality.
Superior stability, accuracy, and quality make the VRE104 ideal for all precision applications which may
require a 4.5V reference. High-accuracy test and measurement instrumentation, and transducer excitation are
some other applications which can benefit from the high accuracy of the VRE104.
VRE104DS REV. C SEPT 1994
THALER CORPORATION • 2015 N. FORBES BOULEVARD • TUCSON, AZ. 85745 • (520) 882-4000
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