VRE204C ETC [List of Unclassifed Manufacturers], VRE204C Datasheet

VRE204C

Manufacturer Part Number

VRE204C

Description

Precision Surface Mount Reference Supply

Manufacturer

ETC [List of Unclassifed Manufacturers]

Datasheet

1.VRE204C.pdf (5 pages)

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VRE204 Series Precision Voltage References

provide ultrastable +4.500 V outputs with up to

±0.4 mV initial accuracy and temperature

coefficient as low as 0.6 ppm/°C over the full

military temperature range.

These references are specifically designed to be

used with the Crystal Semiconductor line of

successive-approximation 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 reference used. The

Thaler VRE204 combined with a Crystal ADC will

provide

obtainable.

VRE204 series 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 20 terminal LCC ceramic packages

for maximum long-term stability. "M" versions are screened for high reliability and quality.

Superior stability, accuracy, and quality make the VRE204 ideal for all precision applications which may

require a 4.5V reference. High-accuracy test and measurement instrumentation, and transducer

excitation are some other applications which can benefit from the high accuracy of the VRE204.

FEATURES

DESCRIPTION

EXCELLENT STABILITY: 6ppm/1000 Hrs. Typ.

EXCELLENT LINE REGULATION: 6 ppm/V Typ.

HERMETIC 20 TERMINAL CERAMIC LCC

MILITARY PROCESSING AVAILABLE

VERY HIGH ACCURACY: 4.5000 V OUTPUT ±0.4 mV

EXTREMELY LOW DRIFT: 0.6 ppm/°C -55°C to +125°C

WIDE SUPPLY RANGE: +13.5 V to +22.0 V

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

the

lowest

drift

VRE204

Precision Surface Mount

Reference Supply

data

conversion

VRE204C

VRE204CA +4.5V

VRE204M

VRE204MA +4.5V

Type

APPLICATIONS

REFERENCE

PRECISION A/D and D/A CONVERTERS

TRANSDUCER EXCITATION

ACCURATE COMPARATOR THRESHOLD

HIGH RESOLUTION SERVO SYSTEMS

DIGITAL VOLTMETERS

HIGH PRECISION TEST and

MEASUREMENT INSTRUMENTS

+4.5V

Output

SELECTION GUIDE

Operating Range

-25°C to +85°C

-55°C to +125°C

Temperature

VRE204DS REV. C JUNE 1995

Max. Volt

Deviation

0.4mV

0.2mV

0.6mV

0.3mV

Related parts for VRE204C

VRE204C 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 Output Type VRE204C +4.5V VRE204CA +4.5V VRE204M +4.5V conversion VRE204MA +4.5V SELECTION GUIDE Temperature Max. Volt Operating Range Deviation -25°C to +85°C 0.4mV -25°C to +85°C 0.2mV -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 VRE204 OUTPUT VOLTAGE ERRORS Initial Error ...

Page 3

... TEMPERATURE OUT Temperature o C VRE204C V vs. TEMPERATURE OUT o Temperature C VRE204M JUNCTION TEMP. RISE VS. OUTPUT CURRENT QUIESCENT CURRENT VS. TEMP Temperature vs. TEMPERATURE OUT Temperature VRE204CA V vs. TEMPERATURE OUT Temperature VRE204MA Output Current (mA PSRR VS. FREQUENCY Frequency (Hz) VRE204DS REV. C JUNE 1995 ...

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 6.3 zener diode. The zener voltage is divided by the resistor network R1 and R2. This voltage ...

Page 5

FIGURE 2 EXTERNAL CONNECTIONS Ref. Gnd. 10k PIN CONFIGURATION ...

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