vre119ma ETC-unknow, vre119ma Datasheet

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vre119ma

Manufacturer Part Number
vre119ma
Description
Precision Reference Supplies
Manufacturer
ETC-unknow
Datasheet
1.VRE119MA.pdf (5 pages)
DESCRIPTION
VRE117 Series Precision Voltage References
provide ultrastable +3.000V (VRE117), -3.000V
(VRE118) and ±3.000V (VRE119) outputs with
±0.200 mV initial accuracy and temperature
coefficient as low as 0.6 ppm/° C over the full
military temperature range. This improvement in
accuracy
proprietary
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 VRE117 series the
most
available.
VRE117/118/119 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 these references ideal for precision applications such as A/D
and D/A converters, high-accuracy test and measurement instrumentation, and transducer excitation.
• VERY HIGH ACCURACY: 3.000 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: 3 ppm/V Typ.
• HERMETIC 14-PIN CERAMIC DIP
• MILITARY PROCESSING OPTION
FEATURES
THALER CORPORATION • 2015 N. FORBES BOULEVARD • TUCSON, AZ. 85745 • (520) 882-4000
accurate
is
multipoint
made
and
possible
stable
laser
VRE117/118/119
Precision
Reference Supplies
3.0V
by a unique,
compensation
reference
VRE117C
VRE117CA
VRE117M
VRE117MA
VRE118C
VRE118CA
VRE118M
VRE118MA
VRE119C
VRE119CA
VRE119M
VRE119MA
Type
APPLICATIONS
• PRECISION A/D and D/A CONVERTERS
• TRANSDUCER EXCITATION
• ACCURATE COMPARATOR THRESHOLD
• HIGH RESOLUTION SERVO SYSTEMS
• DIGITAL VOLTMETERS
• HIGH PRECISION TEST and
REFERENCE
MEASUREMENT INSTRUMENTS
Output
+3.0V
+3.0V
+3.0V
+3.0V
-3.0V
-3.0V
-3.0V
-3.0V
±3.0V
±3.0V
±3.0V
±3.0V
SELECTION GUIDE
Operating Range
-25° C to +85°C
-25° C to +85°C
-55° C to +125° C
-55° C to +125° C
-55° C to +125° C
-55° C to +125° C
-25° C to +85°C
-25° C to +85°C
-55° C to +125° C
-25° C to +85°C
-25° C to +85°C
-55° C to +125° C
Temperature
VRE117DS REV. C NOV 2000
Max. Volt
Deviation
400 µV
400 µV
400 µV
200 µV
100 µV
200 µV
200 µV
100 µV
200 µV
200 µV
100 µV
200 µV

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vre119ma Summary of contents

Page 1

... VRE117C VRE117CA by a unique, VRE117M compensation VRE117MA VRE118C VRE118CA VRE118M VRE118MA 3.0V reference VRE119C VRE119CA VRE119M VRE119MA SELECTION GUIDE Temperature Max. Volt Output Operating Range Deviation +3.0V -25° +85°C 200 µV +3.0V -25° +85°C 100 µV +3.0V -55° +125° C 400 µV +3.0V -55° ...

Page 2

ELECTRICAL SPECIFICATIONS Vps =±15V 25° 10k: unless otherwise noted. MODEL PARAMETERS MIN ABSOLUTE MAXIMUM RATINGS Power Supply ±13.5 Operating Temperature -25 Storage Temperature -65 Short Circuit Protection Continuous OUTPUT VOLTAGE VRE117 VRE118 VRE119 OUTPUT VOLTAGE ...

Page 3

TYPICAL PERFORMANCE CURVES V V vs. TEMPERATURE OUT OUT Temperature o C VRE117/118/119CA VRE117/118/119C QUIESCENT CURRENT VS. TEMP o Temperature C QUIESCENT CURRENT VS. TEMP o Temperature C QUIESCENT CURRENT VS. TEMP o Temperature C vs. TEMPERATURE V vs. TEMPERATURE ...

Page 4

DISCUSSION OF PERFORMANCE THEORY OF OPERATION The following discussion refers to the schematic below. A FET current source is used to bias a 6.3V zener diode. The zener voltage is divided by the resistor network R1 and R2. This voltage ...

Page 5

FIGURE 1 1. Optional Fine Adjust for approximately ±5mV. VRE118 trim pot center tap connects to -15V. TOP VIEW VRE117 -PS (VRE118) NC REF. GND GND 14-PIN HYBRID PACKAGE EXTERNAL CONNECTIONS PIN CONFIGURATION FINE ADJ. +3.0V (-3.0V) ...

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