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VRE114/115/116
Precision
Reference Supplies
THALER CORPORATION • 2015 N. FORBES BOULEVARD • TUCSON, AZ. 85745 • (520) 882-4000
FEATURES
• VERY HIGH ACCURACY: 1.500 V OUTPUT ±150 µV
• EXTREMELY LOW DRIFT: 0.8 ppm/°C 55°C to +125°C
• LOW WARM-UP DRIFT: 1 ppm Typ.
• EXCELLENT STABILITY: 6 ppm/1000 Hrs. Typ.
• EXCELLENT LINE REGULATION: 3 ppm/V Typ.
• HERMETIC 14-PIN CERAMIC DIP
• MILITARY PROCESSING OPTION
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
DESCRIPTION
VRE114 Series Precision Voltage References
provide ultrastable +1.500V (VRE114), -1.500V
(VRE115) and ±1.500V (VRE116) outputs with
±150 µV initial accuracy and temperature
coefficient as low as 0.8 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 VRE114 series the
most accurate and stable 1.5V reference
available.
VRE114/115/116 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.
Type
VRE114C +1.5V -25°C to +85°C 150 µV
VRE114CA +1.5V -25°C to +85°C 75 µV
VRE114M +1.5V -55°C to +125°C 240 µV
VRE114MA +1.5V -55°C to +125°C 120 µV
VRE115C -1.5V -25°C to +85°C 150 µV
VRE115CA -1.5V -25°C to +85°C 75 µV
VRE115M -1.5V -55°C to +125°C 240 µV
VRE115MA -1.5V -55°C to +125°C 120 µV
VRE116C ±1.5V -25°C to +85°C 150 µV
VRE116CA ±1.5V -25°C to +85°C 75 µV
VRE116M ±1.5V -55°C to +125°C 240 µV
VRE116MA ±1.5V -55°C to +125°C 120 µV
SELECTION GUIDE
Output
Temperature
Operating Range
Max. Volt
Deviation
Superior stability, accuracy, and quality make these references ideal for precision applications such as A/D
and D/A converters, high-accuracy test and measurement instrumentation, and transducer excitation.
VRE114DS REV. C NOV 2000
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SPECIFICATIONS
ELECTRICAL
Vps =±15V, T = 25°C, RL = 10k? unless otherwise noted.
MODEL C CA M MA
PARAMETERS MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
ABSOLUTE MAXIMUM RATINGS
Power Supply ±13.5 ±22 * * * * * * V
Operating Temperature -25 85 * * -55 125 -55 125 °C
Storage Temperature -65 150 * * * * * * °C
Short Circuit Protection Continuous * * *
OUTPUT VOLTAGE
VRE114 +1.5 * * * V
VRE115 -1.5 * * * V
VRE116 ±1.5 * * * V
OUTPUT VOLTAGE ERRORS
Initial Error 300 150 300 150 µV
Warmup Drift 2 1 2 1 ppm
Tmin - Tmax 150 75 240 120 µV
Long-Term Stability 6 * * * ppm/1000hr.
Noise (.1-10Hz) 1.0 * * * µVpp
(1)
VRE114/115/116
OUTPUT CURRENT
Range ±10 * * * mA
REGULATION
Line 3 10 * * * * * * ppm/V
Load 3 * * * ppm/mA
OUTPUT ADJUSTMENT
Range 5 * * * mV
Temperature Coefficient 1 * * * µV/°C/mV
POWER SUPPLY CURRENTS
(2)
VRE114 +PS/ -PS 5 7 * * * * * * mA
VRE116 +PS 7 9 * * * * * * mA
VRE115/116 -PS 4 6 * * * * * * mA
NOTES: *Same as C Models.
1.Using the box method, the specified value is the
maximum deviation from the output voltage at 25°C
over the specified operating temperature range.
2.The specified values are unloaded.
VRE114DS REV. C NOV 2000