ICL7139CPL Просмотр технического описания (PDF) - Intersil

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производитель

ICL7139CPL

3³/₄Digit, Autoranging Multimeter

Intersil 

ICL7139, ICL7149

VIN

0VAC - 400VAC

0Hz - 1000Hz

COM

20MΩ

100kΩ

50kΩ

V+ V-

20MΩ

11

4-

7

10

ICL7652

5+

2

8

1

0.1µF

0.1µF

1.0µF

100kΩ

V+ V-

11

4-

7

10

ICL7652

5+

2

8

1

0.1µF

0.1µF

43.2kΩ

5kΩ

12

FULL

SCALE

ADJUST

INT (V/Ω)

ICL7149

10

COMMON

FIGURE 6. AC VOLTAGE MEASUREMENT USING OPTIONAL AVERAGING CIRCUIT

VIN

0VAC - 400VAC

50Hz - 1000Hz

10MΩ

2.2µF

+

V+

2.2µF

+

1

7

3

2

6

AD736

5

4

8

+

10µF

5kΩ

12

FULL

SCALE

ADJUST

INT (V/Ω)

4.99kΩ

V-

V+

ICL7149

30kΩ

COM

10

COMMON

FIGURE 7. AC VOLTAGE MEASUREMENT USING OPTIONAL RMS CONVERTER CIRCUIT

3-40

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