LM385B-2.5 参数 Datasheet PDF下载

LM385-2.5/LM385B-2.5

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BLOCK DIAGRAM

+

2.5V

+

-

13µA

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SYMBOL

+

-

-

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PIN DESCRIPTIONS

PIN +

PIN -

PIN NC

- sinks current with a range from 20µA to 20mA for normal applications. And a stable positive voltage,

relative to Pin-, occurs on Pin+.

- Pin- sources current for normal application. The current value is the same as Pin+.

- Not connected.

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APPLICATION EXAMPLES

LM385-2.5

C1

150pF

30V

7

6

4

R2

R1

68K

I

OUT

-1.5V to -27V

-30V

2

LM385-2.5

C1

150pF

R1

68K

I

OUT

1.5V to 27V

2

3

+

-

+

3 -

7

6

4

R2

I

OUT

=

2

.

5V

R2

I

OUT

=

2

.

5V

R2

Fig. 7 Precision 1µA to 1mA Current Source

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