VRE202CA Cirrus Logic Inc, VRE202CA Datasheet

VRE202CA

Manufacturer Part Number

VRE202CA

Description

IC VOLT REF PREC 2.5V 20-LCC

Manufacturer

Cirrus Logic Inc

Datasheets

1.VRE202CA.pdf (4 pages)

2.VRE202CA.pdf (5 pages)

Specifications of VRE202CA

Reference Type

Series

Voltage - Output

2.5V

Tolerance

±0.1mV

Temperature Coefficient

0.6ppm/°C

Voltage - Input

13.5 ~ 22 V

Number Of Channels

Current - Quiescent

7mA

Current - Output

10mA

Operating Temperature

-25°C ~ 85°C

Mounting Type

Surface Mount

Package / Case

20-LCC

Product

Voltage References

Topology

Series References

Output Voltage

2.5 V

Series Vref - Input Voltage (max)

22 V

Shunt Current (max)

8 mA

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 25 C

Mounting Style

SMD/SMT

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current - Cathode

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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FEaTuRES

♦ Very High Accuracy: +2.5 V Output, ±200 µV

♦ Extremely Low Drift: 0.6 ppm/°C (25°C to

♦ Low Warm-up Drift: 1 ppm Typical

♦ Excellent Stability: 6 ppm/1000 Hrs. Typical

♦ Excellent Line Regulation: 6 ppm/V Typical

♦ Hermetic 20-Terminal Ceramic LCC

♦ Military Processing Option

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-

SElECTION GuIDE

VRE202DS

VRE202C

VRE202CA

VRE202M

VRE202MA

+85°C)

ments

http://www.cirrus.com

Model

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

Output (V)

Precision Voltage Reference

+2.5V

Figure 1. BlOCK DIaGRaM

Operating Range

-55°C to +125°C

-25°C to +85°C

Temperature

Volt Deviation

DESCRIPTION

VRE202 Series Precision Voltage References provide

ultrastable +2.5 V outputs with ±200 μV 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. Significant

improvements have been made in other performance

parameters as well, including initial accuracy, warm-

up drift, line regulation, and longterm stability, making

the VRE202 series the most accurate and stable 2.5 V

surface mount references available.

VRE202 devices are available in two operating tem-

perature ranges, -25°C to +85°C and -55°C to +125°C,

and two electrical 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.

±200µV

±100µV

±400µV

±200µV

(MaX)

20-terminal Ceramic lCC

APEX − VRE202DSREVH

Package Style HD

VRE202

Jul 2009

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