VRE104_1 CIRRUS [Cirrus Logic], VRE104_1 Datasheet

VRE104_1

Manufacturer Part Number

VRE104_1

Description

Precision Voltage Reference

Manufacturer

CIRRUS [Cirrus Logic]

Datasheet

1.VRE104_1.pdf (5 pages)

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FEATURES

♦ Very High Accuracy: +4.5 V Output, ±0.8 mV

♦ Extremely Low Drift: 0.74 ppm/°C (-55°C to

♦ Excellent Stability: 6 ppm/1000 Hrs. Typical

♦ Excellent Line Regulation: 6 ppm/V Typical

♦ Wide Supply Range: ±13.5 to ±22.0 V

♦ Hermetic 14-pin Ceramic DIP

♦ Military Processing Options

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 Instru-

VRE104DS

+125°C)

ments

www.cirrus.com

P r o d u c t I n n o v a t i o n F r o m

VRE104

Precision Voltage Reference

Figure 1. BLOCK DIAGRAM

DESCRIPTION

VRE104 Series Precision Voltage References pro-

vide ultrastable +4.5 V outputs with up to ±0.8 mV

initial accuracy and temperature coefficient as low as

0.74ppm/°C over the full military temperature range.

These references are specifically designed to be used

with the Crystal Semiconductor line of successive-ap-

proximation type Analog to Digital Converters (ADCs).

This line of ADCs sets new standards for temperature

drift, which can only be as good as the external refer-

ence used. The VRE104 combined with an ADC will

provide the lowest drift data conversion obtainable.

VRE104 series devices are available in two operat-

ing 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 the

VRE104 ideal for all precision applications which may

require a 4.5 V reference. High-accuracy test and

measurement instrumentation, and transducer exci-

tation are some other applications which can benefit

from the high accuracy of the VRE104.

APEX − VRE104DSREVE

VRE104

NOV 2009

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VRE104_1 Summary of contents

VRE104 SELECTION GUIDE Model Output (V) VRE104C +4.5 VRE104CA +4.5 VRE104M +4.5 VRE104MA +4.5 1. CHARACTERISTICS AND SPECIFICATIONS ELECTRICAL SPECIFICATIONS V =+15V 25° 10K Ω UNLESS OTHERWISE NOTED Grade VRE104C Parameter Min Typ ABSOLUTE ...

Page 3

TYPICAL PERFORMANCE GRAPHS V vs. TEMPERATURE OUT 0.4 0.49 -0.4 -0.49 Temperature C o VRE104C QUIESCENT CURRENT VS. ...

Page 4

VRE104 4. APPLICATION INFORMATION The proper connection of the VRE104 series voltage references is shown below with the optional trim resistors. Pay careful attention to the circuit layout to avoid noise pickup and voltage drops in the lines. The VRE104 ...

Page 5

CONTACTING CIRRUS LOGIC SUPPORT For all Apex Precision Power product questions and inquiries, call toll free 800-546-2739 in North ...

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VRE104_1 CIRRUS [Cirrus Logic], VRE104_1 Datasheet

VRE104_1

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VRE104_1 Summary of contents

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