CAT522(2000) Просмотр технического описания (PDF) - Catalyst Semiconductor => Onsemi

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производитель

CAT522
(Rev.:2000)

8-Bit Dual Digital POT With Independent Reference Inputs

Catalyst Semiconductor => Onsemi 

Advanced Information

APPLICATION CIRCUITS (Cont.)

+5V

2.2K

VDD

VREF

4.7 µA

LM385-2.5

+15V

CONTROL

& DATA

DAC

COAPTT525205

+5V

10K

+

–

10K

DAC

GND

VREFL

5 meg

+

–

5 meg

ISINK = 2 - 255 mA

2N7000

39Ω1W

39Ω 1W

2N7000

3.9K

1 mA steps

5 µA steps

10K

10K

–

TIP 30

+

CONTROL

& DATA

-15V

Current Sink with 4 Decades of Resolution

+15V

51K

10K

+5V

VDD

VREFH

+

TIP 29

–

10K

DAC

COAPTT552025

DAC

5 meg

5 meg

5 meg

–

+

5 meg

39Ω 1W

39Ω 1W

BS170P

3.9K

1 mA steps

GND

VREFL

–

+

LM385-2.5

BS170P

5 µA steps

-15V

ISOURCE = 2 - 255 mA

Current Source with 4 Decades of Resolution

9

CAT522

8/00

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