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AD3531 Datasheet(PDF) 40 Page - Analog Devices

Part # AD3531
Description  4-Channel, 16-Bit Voltage Output DAC, On-Chip Reference, SPI
PDF  44 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD3531 Datasheet(HTML) 40 Page - Analog Devices

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Data Sheet
AD3531/AD3531R
REGISTER DETAILS
analog.com
Rev. 0 | 40 of 44
Table 31. Bit Descriptions for HW_LDAC_EN_0 (Continued)
Bits
Bit Name
Description
Reset
Access
1
HLD_EN_CH_1
Hardware LDAC Enable Channel 1. Enable/disable hardware LDAC functionality on Channel 1.
0x1
R/W
0: HLD En 0. Disable hardware LDAC on Channel 1.
1: HLD En 1. Enable hardware LDAC on Channel 1.
0
HLD_EN_CH_0
Hardware LDAC Enable Channel 0. Enable/disable hardware LDAC functionality on Channel 0.
0x1
R/W
0: HLD En 0. Disable hardware LDAC on Channel 0.
1: HLD En 1. Enable hardware LDAC on Channel 0.
SOFTWARE LDAC ENABLE 0 REGISTER
Address: 0xD1, Reset: 0x0F, Name: SW_LDAC_EN_0
Enable software LDAC functionality for Channel 0 to Channel 3
0
1
1
1
2
1
3
1
4
0
5
0
6
0
7
0
[7:4] RESERVED
[0] SLD_EN_CH_0 (R/W)
[3] SLD_EN_CH_3 (R/W)
[1] SLD_EN_CH_1 (R/W)
[2] SLD_EN_CH_2 (R/W)
Table 32. Bit Descriptions for SW_LDAC_EN_0
Bits
Bit Name
Description
Reset
Access
[7:4]
RESERVED
Reserved.
0x0
R
3
SLD_EN_CH_3
Software LDAC Enable Channel 3. Enable/disable software LDAC functionality on Channel 3.
0x1
R/W
0: SLD En 0. Disable software LDAC on Channel 3.
1: SLD En 1. Enable software LDAC on Channel 3.
2
SLD_EN_CH_2
Software LDAC Enable Channel 2. Enable/disable software LDAC functionality on Channel 2.
0x1
R/W
0: SLD En 0. Disable software LDAC on Channel 2.
1: SLD En 1. Enable software LDAC on Channel 2.
1
SLD_EN_CH_1
Software LDAC Enable Channel 1. Enable/disable software LDAC functionality on Channel 1.
0x1
R/W
0: SLD En 0. Disable software LDAC on Channel 1.
1: SLD En 1. Enable software LDAC on Channel 1.
0
SLD_EN_CH_0
Software LDAC Enable Channel 0. Enable/disable software LDAC functionality on channel 0
0x1
R/W
0: SLD En 0. Disable software LDAC on Channel 0.
1: SLD En 1. Enable software LDAC on Channel 0.
DAC REGISTER
Address: 0xD3 to 0xD9 (Increments of 2), Reset: 0x0000, Name: DAC_Chn
16-bit data defines the voltage of VOUTn pin, where n is the channel number
DAC_Ch0: 0xD2-0xD3
DAC_Ch1: 0xD4-0xD5
DAC_Ch2: 0xD6-0xD7
DAC_Ch3: 0xD8-0xD9
0
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
9
0
10
0
11
0
12
0
13
0
14
0
15
0
[15:0] DAC_VAL (R/W)



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