EVAL-AD5142ADBZ Analog Devices, EVAL-AD5142ADBZ Datasheet - Page 24

• Manufacturer Part Number: EVAL-AD5142ADBZ
• Description: Digital Potentiometer Development Tools EVALUATION BOARD I.C.
• Manufacturer: Analog Devices
• Series: AD5142Ar

Specifications of EVAL-AD5142ADBZ

• Rohs: yes
• Product: Evaluation Boards
• Tool Is For Evaluation Of: AD5142A
• Resistance: 10 kOhms/100 kOhms
• Operating Supply Voltage: 5.5 V
• Interface Type: I2C
• Maximum Operating Temperature: + 125 C
• Factory Pack Quantity: 1

AD5122A/AD5142A
Table 16. Advanced Command Operation Truth Table
Command
Number
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
Table 17. Address Bits
A3
1
0
0
0
0
0
0
1
X = don’t care.
X = don’t care.
A2
X
0
1
0
1
0
0
1
C3
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
A1
X
0
0
0
0
1
1
1
Bits[DB15:DB12]
Command
C2
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
1
1
A0
X
0
0
1
1
0
1
1
C1
0
0
1
1
0
0
0
0
1
1
1
0
0
0
1
0
0
Input Register
All channels
RDAC1
Not applicable
RDAC2
Not applicable
Not applicable
Not applicable
C0
0
1
0
1
0
0
1
1
0
1
1
0
1
1
1
0
1
Potentiometer Mode
A3
X
0
0
X
A3
A3
A3
A3
0
0
0
0
A3
A3
X
A3
X
Bits[DB11:DB8]
A2
X
A2
A2
A2
A2
A2
A2
A2
A2
A2
A2
0
A2
A2
X
A2
X
Address
RDAC Register
All channels
RDAC1
Not applicable
RDAC2
Not applicable
Not applicable
Not applicable
A1
X
0
0
A1
0
0
0
0
0
0
0
A1
0
0
X
0
X
A0
X
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
A0
X
A0
X
1
Rev. A | Page 24 of 32
D7
X
D7
D7
X
X
X
X
X
X
X
X
D7
1
0
X
X
X
D6
X
D6
D6
X
X
X
X
X
X
X
X
D6
X
X
X
X
X
Input Register
All channels
R
R
R
R
Not applicable
Not applicable
WB1
AW1
WB2
AW2
Data Bits[DB7:DB0]
D5
X
D5
D5
X
X
X
X
X
X
X
X
D5
X
X
X
X
X
Linear Gain Setting Mode
D4
X
X
X
X
X
X
X
D4
D4
X
X
X
X
X
X
D4
X
D3
X
D3
D3
X
X
X
X
X
X
X
X
D3
X
X
X
X
D3
D2
X
D2
D2
X
X
X
X
X
X
X
X
D2
X
X
X
X
D2
RDAC Register
All channels
R
R
R
R
Not applicable
Not applicable
1
WB1
AW1
WB2
AW2
D1
X
D1
D1
D1
X
X
X
X
X
X
X
D1
X
X
X
X
D1
D0
X
D0
X
D0
D0
D0
1
0
1
0
X
1
0
D0
D0
D0
D0
Operation
NOP: do nothing
Write contents of serial
register data to RDAC
Write contents of serial
register data to input
register
Read back contents
D1
0
0
1
1
Linear RDAC increment
Linear RDAC decrement
+6 dB RDAC increment
−6 dB RDAC decrement
Copy input register to RDAC
(software LRDAC)
Copy RDAC register to
EEPROM
Copy EEPROM into RDAC
Write contents of serial
register data to EEPROM
Top scale
D0 = 0; normal mode
D0 = 1; shutdown mode
Bottom scale
D0 = 1; enter
D0 = 0; exit
Software reset
Software shutdown
D0 = 0; normal mode
D0 = 1; device placed in
shutdown mode
Copy serial register data to
control register
D0
0
1
0
1
Stored Channel
Memory
Not applicable
RDAC1/R
Not applicable
R
Not applicable
RDAC2/R
R
AW1
AW2
Data Sheet
Data
Input register
EEPROM
Control
register
RDAC
WB1
WB2