vre120ma Rhopoint Components, vre120ma Datasheet

vre120ma

Manufacturer Part Number

vre120ma

Description

Precision High Temperature Reference Supplies Components

Manufacturer

Rhopoint Components

Datasheet

1.VRE120MA.pdf (5 pages)

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RHOPOINT COMPONENTS

VRE120 series references are designed to operate

over an extremely wide temperature range (-55°C

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

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.

The adjacent selector guide shows the limits of the

most important parameters of the VRE120 series

voltage

deviation increases linearly with temperature from

the 150°C specification to the 180°C specification.

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

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

and D/A converters, high-accuracy test and measurement instrumentation, and transducer excitation.

DESCRIPTION

FEATURES

AD2700, AD2710, MAX 670/671 REFERENCES

WIDE OPERATING RANGE: -55°C TO +180°C

EXTREMELY LOW DRIFT: 1 ppm /°C -55°C to +150°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

PIN & FUNCTION COMPATIBLE WITH

Tel: +44/01883 717988, Fax: +44/01883 712938, Email: sales@rhopointcomponents.com Website: www.rhopointcomponents.com

references.

The

maximum

VRE120/121/122

Precision High Temperature

Reference Supplies

voltage

VRE121C

VRE121CA

VRE121M

VRE121MA

VRE122C

VRE122CA

VRE122M

VRE122MA

VRE120C

VRE120CA

VRE120M

VRE120MA

Type

APPLICATIONS

REFERENCE

MEASUREMENT INSTRUMENTS

PRECISION A/D and D/A CONVERTERS

TRANSDUCER EXCITATION

ACCURATE COMPARATOR THRESHOLD

HIGH RESOLUTION SERVO SYSTEMS

DIGITAL VOLTMETERS

HIGH PRECISION TEST and

GEOLOGICAL EQUIPMENT

Output

+10V

-10V

±10V

SELECTION GUIDE

Max. Volt

Deviation

to +150°C)

1.5mV

1.0mV

1.5mV

1.0mV

1.5mV

1.0mV

1.5mV

1.0mV

1.5mV

1.0mV

1.5mV

1.0mV

(-55°C

Max. Volt

Deviation

to +180°C)

5.0mV

3.0mV

5.0mV

3.0mV

5.0mV

3.0mV

5.0mV

3.0mV

5.0mV

3.0mV

5.0mV

3.0mV

(150°C

VRE120DS REV. C SEPT 1994

Accuracy

1.0mV

0.5mV

1.5mV

0.8mV

1.0mV

0.5mV

1.5mV

0.8mV

1.0mV

0.5mV

1.5mV

0.8mV

(Max)

Initial

4-56

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vre120ma Summary of contents

Page 1

... 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 GEOLOGICAL EQUIPMENT Type VRE120C VRE120CA VRE120M VRE120MA VRE121C VRE121CA maximum voltage VRE121M VRE121MA VRE122C VRE122CA VRE122M VRE122MA SELECTION GUIDE Max. Volt Initial Max ...

Page 2

ELECTRICAL SPECIFICATIONS Vps =±15V 25° 10K unless otherwise noted. MODEL PARAMETERS MIN ABSOLUTE MAXIMUM RATINGS Power Supply ±13.5 Operating Temperature -55 Storage Temperature -65 Short Circuit Protection OUTPUT VOLTAGE VRE120 VRE121 VRE122 OUTPUT VOLTAGE ERRORS Initial ...

Page 3

TYPICAL PERFORMANCE CURVES V vs. TEMPERATURE V vs. TEMPERATURE OUT OUT Temperature Temperature o C VRE120/121/122CA VRE120/121/122C QUIESCENT CURRENT VS. TEMP JUNCTION TEMP. RISE VS. OUTPUT CURRENT Temperature o C QUIESCENT CURRENT VS. TEMP Temperature o C QUIESCENT CURRENT VS. ...

Page 4

THEORY OF OPERATION The following discussion refers to the schematic below. In operation, approximately 6.3 volts is applied to the noninverting input of the op amp. The voltage is amplified by the op amp to produce a 10.000V output. The ...

Page 5

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. TOP VIEW FINE ADJ. NC +10V NC NC FINE ...

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