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AD5669RBCBZ-1-R5 数据表(PDF) 23 Page - Analog Devices

部件名 AD5669RBCBZ-1-R5
功能描述  Octal, 12-/16-Bit, I2C, denseDACs On-Chip Reference
PDF  30 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

AD5669RBCBZ-1-R5 数据表(HTML) 23 Page - Analog Devices

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Data Sheet
AD5629R/AD5669R
Rev. F | Page 23 of 30
FRAME 2
COMMAND BYTE
FRAME 1
SLAVE ADDRESS
19
9
1
SCL
START BY
MASTER
ACK. BY
AD5629R/AD5669R
ACK. BY
AD5629R/AD5669R
SDA
R/W
DB23
A0
A1
1
1
0
1
0
DB22
DB21
DB20
DB19 DB18
DB17
DB16
19
9
1
ACK. BY
AD5629R/AD5669R
ACK. BY
AD5629R/AD5669R
FRAME 4
LEAST SIGNIFICANT
DATA BYTE
FRAME 3
MOST SIGNIFICANT
DATA BYTE
STOP BY
MASTER
SCL
(CONTINUED)
SDA
(CONTINUED)
DB15 DB14
DB13 DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Figure 51. I2C Write Operation
FRAME 2
COMMAND BYTE
FRAME 1
SLAVE ADDRESS
19
9
1
SCL
START BY
MASTER
ACK. BY
AD5629R/AD5669R
ACK. BY
MASTER
SDA
R/W
DB23
A0
A1
1
1
0
1
0
DB22 DB21
DB20
DB19 DB18
DB17
DB16
19
9
1
ACK. BY
MASTER
NO ACK.
FRAME 4
LEAST SIGNIFICANT
DATA BYTE
FRAME 3
MOST SIGNIFICANT
DATA BYTE
STOP BY
MASTER
SCL
(CONTINUED)
SDA
(CONTINUED)
DB15 DB14
DB13 DB12
DB11
DB10
DB9
DB8
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
Figure 52. I2C Read Operation
Table 8. Command Definitions
Command
C3
C2
C1
C0
Description
0
0
0
0
Write to Input Register n
0
0
0
1
Update DAC Register n
0
0
1
0
Write to Input Register n; update all
(software LDAC)
0
0
1
1
Write to and update DAC Channel n
0
1
0
0
Power down/power up DAC
0
1
0
1
Load clear code register
0
1
1
0
Load LDAC register
0
1
1
1
Reset (power-on reset)
1
0
0
0
Set up internal REF register
1
0
0
1
Enable multiple byte mode
1
0
1
0
Reserved
–
–
–
–
Reserved
1
1
1
1
Reserved
Table 9. Address Commands
Address (n)
A3
A2
A1
A0
Selected DAC Channel
0
0
0
0
DAC A
0
0
0
1
DAC B
0
0
1
0
DAC C
0
0
1
1
DAC D
0
1
0
0
DAC E
0
1
0
1
DAC F
0
1
1
0
DAC G
0
1
1
1
DAC H
1
1
1
1
All DACs



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