LT1019CN8-2.5PBF

更新时间： 2024-11-12 13:09:31

品牌	Logo	应用领域
凌特 - Linear		光电二极管
页数	文件大小	规格书
12页	156K
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数据手册

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LT1019CN8-2.5PBF 数据手册

LT1019

Precision Reference

FEATURES

DESCRIPTIO

■

Tight Initial Output Voltage: <0.05%

The LT^®1019 is a third generation bandgap voltage refer-

ence utilizing thin film technology and a greatly improved

curvature correction technique. Wafer level trimming of

both reference and output voltage combines to produce

very low TC and tight initial output voltage tolerance.

■

Ultralow Drift: 3ppm/°C Typical

■

Series or Shunt Operation

Curvature Corrected

Ultrahigh Line Rejection: ≈0.5ppm/V

Low Output Impedance: ≈0.02Ω

Plug-In Replacement for Present References

Available at 2.5V, 4.5V, 5V, and 10V

100% Noise Tested

Temperature Output

Industrial Temperature Range in SO-8

Available in 8-Lead N8 and S8 Packages

■

The LT1019 can both sink and source up to 10mA and can

be used in either the series or shunt mode, allowing the

reference to operate with positive or negative output

voltages without external components. Minimum input/

outputvoltageislessthan1Vintheseriesmode,providing

improved tolerance of low line conditions and excellent

line regulation.

■

APPLICATIO S

The LT1019 is available in four voltages: 2.5V, 4.5V, 5V

and 10V. It is a direct replacement for most bandgap

references presently available including AD580, AD581,

REF-01, REF-02, MC1400, MC1404 and LM168.

■

Negative Shunt References

■

A/D and D/A Converters

■

Precision Regulators

Constant Current Sources

V/F Converters

Bridge Excitation

, LTC and LT are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

■

TYPICAL APPLICATION

Output Voltage Drift

Ultralinear Strain Gauge

15V

357Ω*

0.5W

1.003

10ppm/°C

1.002

1.001

1.000

OUT

FULL TEMP RANGE “BOX”

350Ω

LT1019-5

GND

BRIDGE

20k

–

LT1019

CURVE

–

A1^†

LT1637

LT1001

20k

GAIN = 100

0.999

0.998

0.997

5ppm/°C

0°C TO 70°C “BOX”

ACTIVE

ELEMENT

UNCOMPENSATED

“STANDARD” BANDGAP

DRIFT CURVE

R6**

TEMPERATURE (˚C)

100 125

–50 –25

LT1019 • TA01

–5V

357Ω*

0.5W

*REDUCES REFERENCE AND AMPLIFIER

1019 TA02

LOADING TO ≈0.

**IF R6 = R3, BRIDGE IS NOT LOADED BY R2 AND R4.

–15V

^†A1 V AND DRIFT ARE NOT CRITICAL BECAUSE A2

ACTS AS A DIFFERENTIAL AMPLIFIER.

1019fd

12 3 4 5 6 7...12

中文翻译

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