AD5172BRMZ2.5 Analog Devices Inc, AD5172BRMZ2.5 Datasheet - Page 20

• Manufacturer Part Number: AD5172BRMZ2.5
• Description: IC,Digital Potentiometer,TSSOP,10PIN,PLASTIC
• Manufacturer: Analog Devices Inc

Specifications of AD5172BRMZ2.5

• Taps: 256
• Resistance (ohms): 2.5K
• Number Of Circuits: 2
• Temperature Coefficient: 35 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: I²C, 2-Wire Serial
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 10-MSOP, Micro10™, 10-uMAX, 10-uSOP
• Resistance In Ohms: 2.5K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AD5172/AD5173
I
Write Bit Patterns
Read Bit Patterns
2
C CONTROLLER PROGRAMMING
START BY
MASTER
START BY
MASTER
START BY
MASTER
START BY
MASTER
SDA
SCL
SDA
SCL
SDA
SCL
SDA
SCL
1
1
0
1
0
1
0
0
SLAVE ADDRESS BYTE
SLAVE ADDRESS BYTE
SLAVE ADDRESS BYTE
SLAVE ADDRESS BYTE
1
1
1
1
FRAME 1
FRAME 1
FRAME 1
FRAME 1
0
0
0
0
1
1
1
Figure 50. Reading Data from a Previously Selected RDAC Register in Write Mode—AD5172
1
Figure 51. Reading Data from a Previously Selected RDAC Register in Write Mode—AD5173
1
1
1
1 AD1 AD0
AD1 AD0
1
1
1
1
R/W
R/W
R/W
R/W
Figure 48. Writing to the RDAC Register—AD5172
Figure 49. Writing to the RDAC Register—AD5173
ACK BY
AD5172
ACK BY
AD5173
ACK BY
AD5172
ACK BY
AD5173
9
9
9
9
A0
A0
D7
D7
1
1
1
1
SD
SD
D6
D6
Rev. H | Page 20 of 24
INSTRUCTION BYTE
INSTRUCTION BYTE
INSTRUCTION BYTE
INSTRUCTION BYTE
D5
D5
T
T
FRAME 2
FRAME 2
D4
FRAME 2
D4
FRAME 2
0
0
OW
OW
D3
D3
D2
D2
X
X
D1
D1
X
X
D0
D0
X
X
ACK BY
AD5172
ACK BY
AD5173
ACK BY
MASTER
ACK BY
MASTER
9
9
9
9
D7
D7
E1
E1
1
1
1
1
D6
D6
E0
E0
D5
D5
X
X
DATA BYTE
DATA BYTE
DATA BYTE
DATA BYTE
FRAME 3
FRAME 3
FRAME 3
FRAME 3
D4
D4
X
X
D3
D3
X
X
D2
D2
X
X
D1
D1
X
X
D0
D0
X
X
ACK BY
AD5172
ACK BY
AD5173
NO ACK
BY MASTER
NO ACK
BY MASTER
9
9
9
9
STOP BY
STOP BY
STOP BY
STOP BY
MASTER
MASTER
MASTER
MASTER