AD9789 Analog Devices, AD9789 Datasheet - Page 25

• Manufacturer Part Number: AD9789
• Description: 14-Bit, 2400 MSPS RF DAC with 4-Channel Signal Processing
• Manufacturer: Analog Devices

Specifications of AD9789

• Resolution (bits): 14bit
• Dac Update Rate: 2.4GSPS
• Dac Settling Time: 13ns
• Max Pos Supply (v): +3.47V
• Single-supply: No
• Dac Type: Current Out
• Dac Input Format: LVDS,Par

SCLK
SCLK
Table 9. Serial Control Port, 16-Bit Instruction Word, MSB First
MSB
I15
R/W
SCLK
SDIO
SDIO
SDIO
SDO
CS
CS
CS
DON'T CARE
DON'T CARE
DON'T CARE
DON'T CARE
DON'T CARE
SCLK
SDIO
I14
N1
CS
DON'T CARE
R/W
DON'T CARE
DON'T CARE
N1
R/W
A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12
N0
I13
N0
A12
16-BIT INSTRUCTION HEADER
N1
A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0
N0
A12
t
I12
A12
S
R/W
A11 A10 A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
16-BIT INSTRUCTION HEADER
16-BIT INSTRUCTION HEADER
t
DS
Figure 66. Serial Control Port Write—MSB First, 16-Bit Instruction, Timing Measurements
N1
Figure 64. Serial Control Port Write—MSB First, 16-Bit Instruction, Two Bytes of Data
Figure 65. Serial Control Port Read—MSB First, 16-Bit Instruction, Four Bytes of Data
Figure 68. Serial Control Port Write—LSB First, 16-Bit Instruction, Two Bytes of Data
I11
A11
SCLK
SDIO
SDO
N0
t
CS
DH
Figure 67. Timing Diagram for Serial Control Port Register Read
I10
A10
A12
A11
t
HI
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
I9
A9
REGISTER (N) DATA
DATA BIT N
A10
t
LO
t
N0
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DV
A9
I8
A8
t
CLK
N1
R/W
A8
DATA BIT N – 1
I7
A7
D0
A7
REGISTER (N – 1) DATA REGISTER (N – 2) DATA
D1
REGISTER (N) DATA
REGISTER (N) DATA
D2 D3 D4 D5 D6 D7 D0 D1 D2 D3 D4 D5 D6 D7
A6
I6
A6
A5
I5
A5
D4
D3
I4
A4
D2
REGISTER (N + 1) DATA
REGISTER (N – 1) DATA
D1
I3
A3
D0
REGISTER (N – 3) DATA
t
C
I2
A2
DON'T CARE
DON'T CARE
I1
A1
DON'T CARE
AD9789
DON'T CARE
DON'T CARE
DON'T CARE
DON'T CARE
DON'T
LSB
I0
A0
CARE