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CAT522 Fiches technique(PDF) 9 Page - Catalyst Semiconductor

No de pièce CAT522
Description  8-Bit Dual Digital POT With Independent Reference Inputs
PDF  10 Pages
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Fabricant  CATALYST [Catalyst Semiconductor]
Site Internet  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT522 Fiches technique(HTML) 9 Page - Catalyst Semiconductor

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CAT522
9
8/00
Advanced Information
APPLICATION CIRCUITS (Cont.)
Current Sink with 4 Decades of Resolution
GND
V
L
REF
VDD
VREF
+5V
DAC
+
–
OPT 505
CONTROL
& DATA
DAC
+
–
10K
10K
39
Ω1W
LM385-2.5
5 µA steps
I
= 2 - 255 mA
SINK
2N7000
10K
10K
TIP 30
39
Ω 1W
5 meg
5 meg
3.9K
+
–
-15V
2N7000
+5V
+15V
4.7 µA
1 mA steps
2.2K
Current Source with 4 Decades of Resolution
GND
V
L
REF
VDD
V
H
REF
+5V
DAC
+
–
OPT 505
CONTROL
& DATA
DAC
+
–
5 meg
5 meg
39
Ω 1W
39
Ω 1W
5 meg
5 meg
3.9K
LM385-2.5
-15V
5 µA steps
I
= 2 - 255 mA
SOURCE
1 mA steps
+
–
10K
10K
+15V
TIP 29
BS170P
BS170P
51K
CAT522
CAT522



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