Datasheet > VRE127M

VRE127M

更新时间： 2024-09-30 23:45:15

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Voltage Reference

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数据手册

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VRE127M 数据手册

VRE125/127

Precision High Temperature

Reference Supplies

THALER CORPORATION • 2015 N. FORBES BOULEVARD • TUCSON, AZ. 85745 • (520) 882-4000

FEATURES

APPLICATIONS

· WIDE OPERATING RANGE: -55°C to +200°C

· PRECISION A/D and D/A CONVERTERS

· VERY HIGH ACCURACY: 5.000 V ±0.4 mV

· ACCURATE COMPARATOR

THRESHOLD VOLTAGE

· EXTREMELY LOW DRIFT: 0.6 mV (-55°C to +150°C)

2.0 mV (-55°C to +200°C)

· HIGH RESOLUTION SERVO SYSTEMS

· EXCELLENT STABILITY: 6 ppm / 1000Hrs.

· EXCELLENT LINE REGULATION: 6 ppm / V Typ.

· HERMETIC 14-PIN DIP

· HIGH TEMPERATURE TEST and

MEASUREMENT SYSTEMS

· TRANSDUCER EXCITATION

· GEOLOGICAL EQUIPMENT

DESCRIPTION

VRE125 series references are designed to

operate over an extremely wide temperature

range (-55°C to +200°C) and still provide

excellent accuracy. The VRE125 provides a +5V

output and the VRE127 provides a ±5V output.

All types are available in commercial (C suffix)

and military (M suffix) models. They are

hermetically sealed and are screened for high

reliability and quality. Two accuracy grades

(standard and A) are available in both models.

The adjacent selector guide shows the limits of

the most important parameters of the

VRE125/127 series references.

SELECTION GUIDE

Max. Volt

Deviation

(150°C

Max. Volt

Deviation

(-55°C

Initial

Error

(Max)

Type

VRE125C

Output

+5V

VRE125CA +5V

VRE125M +5V

VRE125MA +5V

to+200°C)

to+150°C)

±0.9mV

±0.6mV

±0.9mV

±0.6mV

±3.0mV ±0.8mV

±2.0mV ±0.4mV

±3.0mV ±0.8mV

±2.0mV ±0.4mV

VRE127C

VRE127CA ±5V

VRE127M ±5V

VRE127MA ±5V

±5V

±0.9mV

±0.6mV

±0.9mV

±0.6mV

±3.0mV ±0.8mV

±2.0mV ±0.4mV

±3.0mV ±0.8mV

±2.0mV ±0.4mV

The accuracy of the VRE125/127 series over

temperature is achieved by using Thaler

Corporation's patented multi-point compensation technique. The stability of the VRE125 series is enhanced

by using a zener diode instead of a bandgap reference, which is typically used in 5V references. Zener

diodes have better long term stability and don't suffer the significant shifts caused by temperature cycling

that bandgap references do.

Other performance parameters, such as warm-up drift and long term stability are better than competitive

models.

Superior stability, accuracy, and quality make these references ideal for high temperature applications such

as A/D and D/A converter references.

VRE125DS REV. C SEPT 1994

12 3 4 5

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