LTZ1000 데이터 시트보기 (PDF) - Linear Technology

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LTZ1000

Ultra Precision Reference

Linear Technology 

TYPICAL APPLICATIONS

7V Positive Reference Circuit

2N3904

1k 7

5

A1

LT1013

6

R4 R3 3

R2

13k 70k

70k

8

5

10k

7

1M

4

0.1μF

400k*

1

0.1μF

R5

R1

1k

120Ω

LTZ1000/LTZ1000A

ZENER + SENSE

V+ 15V

3+ 8

A2

LT1013

2–

4

1N4148

1

0.002μF

ZENER – SENSE

GROUND

ZENER – FORCE

2

1N4148

*PROVIDES TC COMPENSATION, DELETE FOR LTZ1000A

APPROXIMATE CHANGE IN REFERENCE VOLTAGE FOR A 100ppm (0.01%) CHANGE IN RESISTOR VALUES:

R1

R2

R3

R4/R5 RATIO

$R(Ω)

0.012Ω

7Ω

7Ω

$R = 0.01%

$VZ

1ppm

0.3ppm

0.2ppm

1ppm

BOTH A1 AND A2 CONTRIBUTE LESS THAN 2μV OF OUTPUT DRIFT OVER A 50°C RANGE

HEATER RETURN

(TIED TO GROUND)

1000 TA06

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa-

tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.

1000afc

7

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