AMC7834 Datasheet, PDF (59/93 Pages) Texas Instruments – AMC7834 12-Bit Integrated Power-Amplifier Monitor and Control System with Temperature, Current and Voltage Supervision Capabilities

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7.6.3.5 DAC Sync Register (address = 0x15) [reset = 0x0000]
AMC7834
SLAS972B – NOVEMBER 2014 – REVISED MARCH 2016
15
14
7
AUXDAC4-
SYNC
R/W-0
6
AUXDAC3-
SYNC
R/W-0
Bit
15-8
7
6
5
4
3
2
1
0
Field
Reserved
AUXDAC4-SYNC
AUXDAC3-SYNC
AUXDAC2-SYNC
AUXDAC1-SYNC
DAC4-SYNC
DAC3-SYNC
DAC2-SYNC
DAC1-SYNC
Figure 75. DAC Sync Register (R/W)
13
12
11
10
9
8
Reserved
R/W-00h
5
AUXDAC2-
SYNC
R/W-0
4
AUXDAC1-
SYNC
R/W-0
3
DAC4-SYNC
R/W-0
2
DAC3-SYNC
R/W-0
1
DAC2-SYNC
R/W-0
0
DAC1-SYNC
R/W-0
Table 22. DAC Sync Register Field Descriptions
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0x00
0
0
0
0
0
0
0
0
Description
Reserved for factory use.
When set to 1 the corresponding DAC output is set to
synchronous-mode.
When cleared to 0 the corresponding DAC output is set to
asynchronous-mode.
In closed-loop mode DAC1, DAC2, DAC3 and DAC4 are always
in asynchronous-mode.
7.6.3.6 DAC Range Register (address = 0x16) [reset = 0x0000]
15
7
AUXDAC4-
RANGE
R/W-0
14
6
AUXDAC3-
RANGE
R/W-0
Figure 76. DAC Range Register (R/W)
13
5
AUXDAC2-
RANGE
R/W-0
12
11
10
Reserved
R/W-00h
4
AUXDAC1-
RANGE
R/W-0
3
2
DAC34-RANGE[1:0]
R/W-00
9
8
1
0
DAC12-RANGE[1:0]
R/W-00
Table 23. DAC Range Register Field Descriptions
Bit
15-8
7
6
5
4
3-2
1–0
Field
Reserved
AUXDAC4-RANGE
AUXDAC3-RANGE
AUXDAC2-RANGE
AUXDAC1-RANGE
DAC34-RANGE[1:0]
DAC12-RANGE[1:0]
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0x00
0
0
0
0
00
00
Description
Reserved for factory use.
When cleared to 0 the corresponding AUXDAC output range is 0
to 5 V.
When set to 1 the corresponding AUXDAC output range is 2.5 to
7.5 V.
Sets the bipolar DAC output range. Use the following
configurations for the DAC output range:
00: –4 to 1 V
01: –5 to 0 V
10: –5 to 0 V
11: 0 to 5 V
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