THALER VRE205MA, VRE205M, VRE205CA, VRE205C Datasheet

VRE205

Precision Surface Mount
Reference Supply

THALER CORPORATION • 2015 N. FORBES BOULEVARD • TUCSON, AZ. 85745 • [phone]

FEATURES

•• PIN AND FUNCTION COMPATIBLE TO REF02

•• VERY HIGH ACCURACY: 5.000 V OUTPUT ±0.4 mV

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

•• EXCELLENT STABILITY: 6 ppm/1000 Hrs. Typ.

•• EXCELLENT LINE REGULATION: 6 ppm/V Typ.

•• WIDE SUPPLY RANGE: +13.5 V to -22.0 V

•• HERMETIC 20 TERMINAL CERAMIC LCC

•• MILITARY PROCESSING OPTION

DESCRIPTION

VRE205 Series Precision Voltage References
provides ultrastable +5.000 V outputs with ±0.4
mV initial accuracy and temperature coefficient as
low as 0.6 ppm/°C over the full military
temperature range. This improvement in accuracy
is made possible by a unique, proprietary
multipoint laser compensation technique
developed by Thaler Corporation. Significant
improvements have been made in other
performance parameters as well, including initial
accuracy, warm-up drift, line regulation, and long­term stability, making the VRE205 series the most
accurate and stable 5V references available.

VRE205 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
ceramic LCC packages for maximum long-term
stability. "M" versions are screened for high
reliability and quality.

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 INSTRUMENTS

SELECTION GUIDE

Type

VRE205C +5V -25°C to +85°C 0.4mV
VRE205CA +5V -25°C to +85°C 0.2mV

VRE205M +5V -55°C to +125°C 0.6mV
VRE205MA +5V -55°C to +125°C 0.3mV

Output

Temperature

Operating Range

Max. Volt
Deviation

.

VRE205DS REV. C JUNE 1995

ELECTRICAL SPECIFICATIONS

Vps =±15V, T = 25°C, RL = 10KΩ unless otherwise noted.

VRE205

MODEL C CA M MA

PARAMETERS MIN TYP MAX MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS

ABSOLUTE MAXIMUM RATINGS

Power Supply +13.5 +22 * * * * * * V
Operating Temperature -25 85 * * -55 125 -55 125 °C
Storage Temperature -65 150 * * * * * * °C
Short Circuit Protection Continuous * * *

OUTPUT VOLTAGE

VRE205 +5 * * * V

OUTPUT VOLTAGE ERRORS

Initial Error 800 400 800 400 µV
Warmup Drift 2 1 2 1 ppm
T

- T

min

max

(1)

400 200 600 300 µV
Long-Term Stability 6 * * * ppm/1000hrs
Noise (.1-10Hz) 3 * * * µVpp

OUTPUT CURRENT

Range ±10 * * * mA

REGULATION

Line 6 10 * * * * * * ppm/V
Load 3 * * * ppm/mA

OUTPUT ADJUSTMENT

Range 10 * * * mV
Temperature Coeff. 4 * * * µV/°C/mV

POWER SUPPLY CURRENTS

(2)

VRE205 +PS 5 7 * * * * * * mA

NOTES: *Same as C Models.

1.Using the box method, the specified value is the
maximum deviation from the output voltage at 25°C
over the specified operating temperature range.

2.The specified values are unloaded.

VRE205DS REV. C JUNE 1995