CAT524(2001) Просмотр технического описания (PDF) - Catalyst Semiconductor => Onsemi

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производитель

CAT524
(Rev.:2001)

Configured Digitally Programmable Potentiometer (DPP™): Programmable Voltage Applications

Catalyst Semiconductor => Onsemi 

CAT524

APPLICATION CIRCUITS (Cont.)

+5V

2.2K

VDD

VREFH 4.7 µA

LM385-2.5

+15V

CONTROL

& DATA

DPP

CAT524

+5V

10K

+

–

10K

DPP

GND

VREFL

+

–

5M

5M

ISINK = 2 - 255 mA

2N7000

39 Ω 1W

39 Ω 1W

2N7000

3.9K

1 mA steps

5 µA steps

10K

10K

–

TIP 30

+

Current Sink with 4 Decades of Resolution

-15V

+15V

CONTROL

& DATA

51K

10K

+5V

VDD

VREFH

+

TIP 29

–

10K

DPP

CAT524

DPP

5M

5M

–

+

5M

5M

39 Ω 1W

39 Ω 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

Doc. No. 25076-00 Rev. 4/01 M-1

10

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