MAX5318 MAXIM [Maxim Integrated Products], MAX5318 Datasheet - Page 32

• Manufacturer Part Number: MAX5318
• Description: 18-Bit, High-Accuracy Voltage Output DAC with Digital Gain, Offset Control, and SPI Interface
• Manufacturer: MAXIM [Maxim Integrated Products]

Table 11. No-Op Command (0x0)
Table 12a. Straight Binary DIN Write Register (TC/SB) = 0) (0x1)
Table 12b. Two’s Complement DIN Write Register (TC/SB) = 1) (0x1)
Maxim Integrated
BIT
NAME
DEFAULT
BIT
NAME
DEFAULT
BIT
NAME
DEFAULT
17:0
17:0
BIT
17:0
BIT
BIT
18-Bit, High-Accuracy Voltage Output DAC with
Digital Gain, Offset Control, and SPI Interface
B17
0x20000 when M/Z = DGND (zero scale)
0x00000 when M/Z = V
17
0x00000 when M/Z = DGND (zero scale)
0x20000 when M/Z = V
B17
17
17
X
X
B[17:0]
NAME
Don’t care
B[17:0]
NAME
NAME
B16
16
B16
16
16
X
X
B15
15
15
B15
X
X
15
18-bit DAC input code in two’s complement format. For clarity, a few examples are shown below:
10 0000 0000 0000 0000
11 0000 0000 0000 0000
11 1111 1111 1111 1111
00 0000 0000 0000 0000
00 0000 0000 0000 0001
01 0000 0000 0000 0000
01 1111 1111 1111 1111
B14
14
18-bit DAC input code in straight binary format. For clarity, a few examples are shown below:
00 0000 0000 0000 0000
01 0000 0000 0000 0000
10 0000 0000 0000 0000
11 0000 0000 0000 0000
11 1111 1111 1111 1111
No action on SPI shift register and DAC input registers. Use for daisy-chain purposes when
R[3:0] = 0000.
14
X
X
B14
DDIO
14
DDIO
B13
13
(midscale)
13
X
X
(midscale)
B13
13
B12
12
12
X
X
B12
12
B11
11
11
X
X
B11
11
B10
10
10
0x20000
0x30000
0x3FFFF
0x00000
0x00001
0x10000
0x1FFFF
X
X
B10
0x00000
0x10000
0x20000
0x30000
0x3FFFF
10
B9
9
9
X
X
B9
DESCRIPTION
9
DESCRIPTION
DESCRIPTION
B8
8
zero scale
quarter scale
midscale - 1 LSB
midscale
midscale + 1 LSB
three-quarter scale
full scale - 1 LSB
8
X
X
B8
zero scale
quarter scale
midscale
three-quarter scale
full scale - 1 LSB
8
B7
7
X
X
7
B7
7
B6
6
6
X
X
B6
6
B5
5
X
X
5
B5
5
B4
4
X
X
4
B4
4
MAX5318
B3
Register Details
3
3
X
X
B3
3
B2
2
2
X
X
B2
2
B1
B1
X
X
1
1
1
B0
B0
0
X
X
0
0
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