ad5160 Analog Devices, Inc., ad5160 Datasheet - Page 11

• Manufacturer Part Number: ad5160
• Description: 256-position Spi Compatible Digital Potentiometer
• Manufacturer: Analog Devices, Inc.

SPI INTERFACE
Table 5. AD5160 Serial Data-Word Format
B7
D7
MSB
2
7
B6
D6
B5
D5
B4
D4
B3
D3
(DATA IN)
VOUT
CLK
B2
D2
SDI
CS
V
DD
Figure 37. SPI Interface Detailed Timing Diagram (V
B1
D1
1
1
0
0
1
0
0
t
CSHO
B0
D0
LSB
2
0
t
CSS
Dx
t
CH
Rev. 0 | Page 11 of 16
t
DS
Dx
t
CL
t
CH
VOUT
CLK
SDI
CS
A
= 5 V, V
1
0
1
0
1
0
1
0
Figure 36. AD5160 SPI Interface Timing Diagram
t
CSH1
B
= 0 V, V
D7
t
CS1
(V
W
A
D6
= V
t
= 5 V, V
S
t
CSW
OUT
D5
)
B
= 0 V, V
RDAC REGISTER LOAD
D4
±1LSB
D3
W
= V
D2
OUT
)
D1
D0
AD5160