EVAL-AD5246DBZ Analog Devices, EVAL-AD5246DBZ Datasheet - Page 12

• Manufacturer Part Number: EVAL-AD5246DBZ
• Description: Digital Potentiometer Development Tools EVALUATION BOARD I.C.
• Manufacturer: Analog Devices
• Series: AD5246r

Specifications of EVAL-AD5246DBZ

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: AD5246
• Resistance: 5 kOhms/10 kOhms/50 kOhms/100 kOhms
• Operating Supply Voltage: 5.5 V
• Interface Type: I2C
• Maximum Operating Temperature: + 125 C
• Factory Pack Quantity: 1
• For Use With: Sim DAC Web Tool

AD5246
I
Table 6. Write Mode
S
Table 7. Read Mode
S
S = Start Condition.
P = Stop Condition.
A = Acknowledge.
X = Don’t Care.
2
C INTERFACE
SDA
SCL
0
0
P
t
START BY
START BY
1
1
1
MASTER
MASTER
S
Slave Address Byte
0
0
SCL
SDA
Slave Address Byte
SDA
SCL
t
2
1
1
1
0
1
0
SLAVE ADDRESS BYTE
t
3
1
1
1
1
SLAVE ADDRESS BYTE
0
FRAME 1
t
0
8
t
8
1
1
FRAME 1
1
1
t
9
Figure 26. I
1
1
0
0
Figure 28. Reading from the RDAC Register
Figure 27. Writing to the RDAC Register
t
1
1
6
2
W
R
0
C Interface, Detailed Timing Diagram
0
t
t
4
9
Rev. C | Page 12 of 16
R/W
R/W
ACK BY
AD5246
A
A
ACK BY
AD5246
9
9
X
0
1
X
0
1
t
7
W = Write.
R = Read.
D6, D5, D4, D3, D2, D1, D0 = Data Bits.
D6
D6
D6
D6
D5
D5
RDAC REGISTER
DATA BYTE
FRAME 2
D4
D4
FRAME 2
D5
D5
S
t
5
D3
D3
D4
D4
Data Byte
Data Byte
D2
D2
t
2
D1
D1
D3
D3
D0
D0
ACK BY
AD5246
NO ACK
BY MASTER
9
D2
D2
9
STOP BY
MASTER
1
STOP BY
MASTER
D1
D1
D0
D0
Data Sheet
P
A
A
t
10
P
P