Datasheet > VRE305A

VRE305A

更新时间： 2024-11-05 03:19:07

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其他 - ETC		/
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描述
Low Cost Precision Reference

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数据手册

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VRE305A 数据手册

VRE302

Low Cost

Precision Reference

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

FEATURES

• 2.500 V OUTPUT ± 0.250 mV (.01%)

PIN CONFIGURATION

• TEMPERATURE DRIFT: 0.6 ppm/°C

N.C.

+V_IN

NOISE

REF. GND

V_OUT

• LOW NOISE: 1.5µV _p-p(0.1-10Hz)

VRE302

• INDUSTRY STD PINOUT- 8 PIN DIP OR

TOP

TEMP

SURFACE MOUNT PACKAGE

VIEW

GND

TRIM

•EXCELLENT LINE REGULATION: 6ppm/V Typ.

• OUTPUT TRIM CAPABILITY

FIGURE 1

DESCRIPTION

The VRE302 is a low cost, high precision 2.5V

reference. Packaged in the industry standard 8

pin DIP, the device is ideal for upgrading systems

that use lower performance references.

The VRE302 is recommended for use as a

reference for 14, 16, or 18 bit D/A converters

which require an external precision reference.

The device is also ideal for calibrating scale factor

on high resolution A/D converters. The VRE302

offers superior performance over monolithic

references.

The device provides ultrastable +2.500V output

with ±0.2500 mV (.01%) initial accuracy and a

temperature coefficient of 0.6 ppm/°C.

This

improvement in accuracy is made possible by a

unique, patented 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

long-term stability, making the VRE302 series the

most accurate reference available in the standard

8 pin DIP package.

SELECTION GUIDE

Temp.

Range

°C

Temp.

Coeff.

Initial

Error

Model

ppm/°C

VRE302A

VRE302B

VRE302C

VRE302J

VRE302K

VRE302L

0.25

0.40

0.50

0.25

0.40

0.50

0.6

1.0

2.0

0.6

1.0

2.0

0°C to +70°C

-40°C to +85°C

For enhanced performance, the VRE302 has an

external trim option for users who want less than

0.01% initial error. A reference ground pin is

provided to eliminate socket contact resistance

errors.

For package option add D for DIP or S for Surface Mount

to end of model number.

VRE302DS REV. F MAY 2001

12 3 4 5 6 7...41

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