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PDF VRE122 Datasheet ( Hoja de datos )

Número de pieza VRE122
Descripción (VRE120 - VRE122) Precision High Temperature Reference Supplies
Fabricantes RHOPOINT COMPONENTS 
Logotipo RHOPOINT COMPONENTS Logotipo

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VRE122 Hoja de datos, Descripción, Manual
www.DataSheet4U.com
VRE120/121/122RHOPOINT COMPONENTS
Precision High Temperature
Reference Supplies
Tel: +44/01883 717988, Fax: +44/01883 712938, Email: sales@rhopointcomponents.com Website: www.rhopointcomponents.com
FEATURES
WIDE OPERATING RANGE: -55°C TO +180°C
APPLICATIONS
PRECISION A/D and D/A CONVERTERS
EXTREMELY LOW DRIFT: 1 ppm /°C -55°C to +150°C TRANSDUCER EXCITATION
LOW WARM-UP DRIFT: 1 ppm Typ.
ACCURATE COMPARATOR THRESHOLD
REFERENCE
EXCELLENT STABILITY: 6 ppm / 1000 Hrs. Typ.
HIGH RESOLUTION SERVO SYSTEMS
EXCELLENT LINE REGULATION: 3 ppm / V Typ.
DIGITAL VOLTMETERS
HERMETIC 14-PIN CERAMIC DIP
PIN & FUNCTION COMPATIBLE WITH
AD2700, AD2710, MAX 670/671 REFERENCES
HIGH PRECISION TEST and
MEASUREMENT INSTRUMENTS
GEOLOGICAL EQUIPMENT
DataSheet4U.com
DESCRIPTION
DataShee
VRE120 series references are designed to operate
over an extremely wide temperature range (-55°C
SELECTION GUIDE
to +180°C) and still provide excellent accuracy.
The VRE120 provides a +10V output, the VRE121
provides a -10V and the VRE122 provides a ±10V
output. All types are available in commercial (C
Type
Output
Max. Volt
Deviation
(-55°C
to +150°C)
Max. Volt
Deviation
(150°C
to +180°C)
Initial
Accuracy
(Max)
suffix) and military (M suffix) models. The "M"
models are screened for high reliability and quality.
Two accuracy grades (standard and "A") are
available for all models.
VRE120C
VRE120CA
VRE120M
VRE120MA
+10V
+10V
+10V
+10V
1.5mV
1.0mV
1.5mV
1.0mV
5.0mV
3.0mV
5.0mV
3.0mV
1.0mV
0.5mV
1.5mV
0.8mV
The adjacent selector guide shows the limits of the
most important parameters of the VRE120 series
voltage references. The maximum voltage
deviation increases linearly with temperature from
the 150°C specification to the 180°C specification.
VRE121C
VRE121CA
VRE121M
VRE121MA
-10V
-10V
-10V
-10V
1.5mV
1.0mV
1.5mV
1.0mV
5.0mV
3.0mV
5.0mV
3.0mV
1.0mV
0.5mV
1.5mV
0.8mV
For example, the A grade maximum voltage
deviation of 1mV increases to 2mV at 175°C and is
3mV at 180°C. This degree of accuracy over such
a large temperature range has been achieved
using the Thaler Corporation patented multipoint
VRE122C
VRE122CA
VRE122M
VRE122MA
±10V
±10V
±10V
±10V
1.5mV
1.0mV
1.5mV
1.0mV
5.0mV
3.0mV
5.0mV
3.0mV
1.0mV
0.5mV
1.5mV
0.8mV
compensation technique.
All devices are packaged in 14-pin hermetic ceramic packages for maximum long term stability. They are pin
and function compatible with other Thaler references and AD2700, AD2710 and MAX 670/671 References
Superior stability, accuracy, and quality make these references ideal for precision applications such as A/D
DataSheet4U.caonmd D/A converters, high-accuracy test and measurement instrumentation, and transducer excitation.
VRE120DS REV. C SEPT 1994
4-56

1 page

VRE122 pdf
www.DataSheet4U.com
EXTERNAL CONNECTIONS
FIGURE 1
1. Optional Fine Adjust for approximately ±10mV. VRE122 center tap connects to -PS.
2. Pin 6 is internally connected to Pin 7 and can be used as Ref. GND.
PIN CONFIGURATION
et4U.com
TOP VIEW
TOP VIEW
TOP VIEW
NC
NC
NC
NC
NC
REF. GND
GND
VRE120
FINE ADJ.
NC
FINE ADJ.
+10V
NC
-10V
FINE ADJ.
+PS
NC FINE ADJ.
VRE121
NC -PS
NC NC
NC
NC REF. GND
NC
NC GND
NC
DataSheet4U.com
-ADJ.
-10V
-ADJ.
-PS
NC
REF. GND
GND
VRE122
+ADJ.
+10V
+ADJ.
+PS
NC
NC
NC
14-PIN HYBRID
PACKAGE
MECHANICAL
INCHES MILLIMETER
DIM MIN MAX MIN MAX
E .480 .500 12.1 12.7
L .195 .215 4.9 5.4
D .775 .805 19.7 20.4
B .016 .020 0.4 0.5
B1 .038 .042 0.9 1.0
B2 .095 .105 2.4 2.6
S .085 .105 2.1 2.6
P .004 .006 0.10 0.15
INCHES MILLIMETER
DIM MIN MAX MIN MAX
A .120 .155 3.0 4.0
Q .015 .035 0.4 0.9
Q1 N/A .030 N/A 0.7
C .009 .012 0.2 0.3
G1 .290 .310 7.3 7.8
DataSheet4U.com
VRE120DS REV. C SEPT 1994
4-60

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