参数资料
型号: MAX5725AEVKIT#
厂商: Maxim Integrated Products
文件页数: 14/35页
文件大小: 0K
描述: EVAL KIT MAX5725
标准包装: 1
系列: *
MAX5723/MAX5724/MAX5725
Ultra-Small, Octal-Channel, 8-/10-/12-Bit Buffered
Output DACs with Internal Reference and SPI Interface
21
Maxim Integrated
Table
2.
SPI
Commands
Summary
(continued)
COMMAND
B23
B22
B21
B20
B19
B18
B17
B16
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
DESCRIPTION
POWER
0
1
0
DAC7
DAC6
DAC5
DAC4
DAC3
DAC2
DAC1
DAC0
Power
Mode
00
=
Normal
01
=
PD1k
I
10
=
PD
100k
I
11
=
PD
Hi-Z
X
Sets
the
Power
Mode
of
the
selected
DACs
(DACs
selected
with
a
1in
the
corresponding
DACn
bit
are
updated,
DACs
with
a
0
in
the
corresponding
DACn
bit
are
not
impacted)
DEFAULT
0
1
0
DAC7
DAC6
DAC5
DAC4
DAC3
DAC2
DAC1
DAC0
Default
Values
:
000:
M
Z
001:
ZERO
010:
MID
011:
FULL
100:
RETURN
101+:
No
Effect
Sets
the
DEFAULT
code
settings
for
selected
DACs.
Note,
DACs
in
RETURN
mode
programmable
RETURN
codes.
(DACs
selected
with
a
1
in
the
corresponding
DACn
bit
are
updated,
DACs
with
a0
in
the
corresponding
DACn
bit
are
not
impacted)
DAC
COMMANDS
RETURNn
0
1
DAC
Selection
RETURN
REGISTER
DATA[11:4]
RETURN
REGISTER
DATA[3:0]
X
Writes
data
to
the
selected
RETURN
register(s)
CODEn
1
0
DAC
Selection
CODE
REGISTER
DATA[11:4]
CODE
REGISTER
DATA[3:0]
X
Writes
data
to
the
selected
CODE
register(s)
LOADn
1
0
1
DAC
Selection
X
Transfers
data
from
the
selected
CODE
registers
to
the
selected
DAC
register(s)
CODEn_
LOAD_ALL
1
0
1
0
DAC
Selection
CODE
REGISTER
DATA[11:4]
CODE
REGISTER
DATA[3:0]
X
Simultaneously
writes
data
to
the
selected
CODE
register(s)
while
updating
all
DAC
registers
CODEn_
LOADn
1
0
1
DAC
Selection
CODE
REGISTER
DATA[11:4]
CODE
REGISTER
DATA[3:0]
X
Simultaneously
writes
data
to
the
selected
CODE
register(s)
while
updating
selected
DAC
register(s)
CODE_ALL
1
0
CODE
REGISTER
DATA[11:4]
CODE
REGISTER
DATA[3:0]
X
Writes
data
to
all
CODE
registers
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