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CAT521 датащи(PDF) 9 Page - Catalyst Semiconductor

номер детали CAT521
подробное описание детали  Configured Digitally Programmable Potentiometer (DPP??: Programmable Voltage Applications
PDF  13 Pages
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производитель  CATALYST [Catalyst Semiconductor]
домашняя страница  http://www.catalyst-semiconductor.com
Logo CATALYST - Catalyst Semiconductor

CAT521 датащи(HTML) 9 Page - Catalyst Semiconductor

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CAT521
© Catalyst Semiconductor, Inc.
9
Doc. No. MD-2003 Rev. G
Characteristics subject to change without notice
APPLICATION CIRCUITS
CAT521
GND
VDD
VREFH
VREFL
CONTROL
& DATA
OP 07
V
=
(
) - V
OUT
RF
R +
I
-15V
+15V
+5V
RI
I
RF
VDPP
For R =
I RF
V
= 2V
- V
OUT
I
DPP
VI
RI
RF
VOUT
DPP INPUT
DPP OUTPUT
ANALOG OUTPUT
MSB
LSB
1111
1111
1000
0000
0111
1111
0000
0001
0000
0000
REF
REF
REF
V
990
.
0
=
V
01
.
0
+
V
98
.
0
×
255
255
REF
REF
REF
V
502
.
0
=
V
01
.
0
+
V
98
.
0
×
255
128
REF
REF
REF
V
498
.
0
=
V
01
.
0
+
V
98
.
0
×
255
127
REF
REF
REF
V
014
.
0
=
V
01
.
0
+
V
98
.
0
×
255
1
REF
REF
REF
V
010
.
0
=
V
01
.
0
+
V
98
.
0
×
255
0
V
90
.
4
+
=
V
OUT
V
02
.
0
+
=
V
OUT
V
02
.
-0
=
V
OUT
V
86
.
4
-
=
V
OUT
V
90
.
4
-
=
V
OUT
ZERO
ZERO
FS
DPP
V
+
- V
V
255
CODE
=
V
REF
FS
V
99
.
0
=
V
REF
ZERO
V
01
.
0
=
V
V
5
=
V
REF
F
I
R
=
R
Bipolar DPP Output
Amplified DPP Output
Digitally Trimmed Voltage Reference
Digitally Controlled Voltage Reference
CAT521
GND
VDD
VREFH
VREF = 5.00V
I > 2mA
LT 1029
V+
VREFL
CONTROL
& DATA
CAT521
GND
VDD
VREFH
VREFL
CONTROL
& DATA
OP 07
-15V
+15V
+5V
RI
RF
VOUT
VOUT = (1 +
) VDPP
RF
RI
+
–
LM 324
CAT521
GND
VDD
VREFH 5.1V
1N5231B
10µF
10µF
35V
10kΩ
28 - 32V
OUTPUT
MPT3055EL
0 - 25V
@ 1A
4.02kΩ
15kΩ
1.00kΩ
VREFL
CONTROL
& DATA



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