ADN2860-EVAL AD [Analog Devices], ADN2860-EVAL Datasheet - Page 7

• Manufacturer Part Number: ADN2860-EVAL
• Description: 3-Channel Digital Potentiometer with Nonvolatile Memory
• Manufacturer: AD [Analog Devices]

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 4. Pin Function Descriptions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Mnemonic
RESET
WP
SCL
SDA
DGND
V
A2
W2
B2
A1
W1
B1
B0
W0
A0
V
TEST3
TEST2
TEST1
TEST0
A1_EE
A0_EE
AD1
AD0
SS
DD
Description
Resets the scratchpad register with current contents of the EEMEM register. Factory defaults to midscale before
any programming.
Write Protect. When active low, WP prevents any changes to the present register contents, except that RESET
and Commands 1 and 8 still refresh the RDAC register from EEMEM.
Serial Input Register Clock. Shifts in one bit at a time upon the positive clock edges.
Serial Data Input. Shifts in one bit at a time upon the positive edges. The MSB is loaded first.
Ground. Logic ground reference.
Negative Supply. Connect to 0 V for single-supply applications.
A Terminal of RDAC2.
Wiper Terminal of RDAC2.
B Terminal of RDAC2.
A Terminal of RDAC1.
Wiper Terminal of RDAC1.
B Terminal of RDAC1.
B Terminal of RDAC0.
Wiper Terminal of RDAC0.
A Terminal of RDAC0.
Positive Power Supply.
Test Pin 3. Do not connect.
Test Pin 2. Do not connect.
Test Pin 1. Do not connect.
Test Pin 0. Do not connect.
I
I
I
I
2
2
2
2
C Device Address 1 for EEMEM.
C Device Address 0 for EEMEM.
C Device Address 1 for RDAC.
C Device Address 0 for RDAC.
RESET
DGND
SDA
SCL
V
WP
SS
1
2
3
4
5
6
Figure 3. Pin Configuration
NC = NO CONNECT
Rev. A | Page 7 of 20
(Not to Scale)
AD2860
TOP VIEW
PIN 1
INDICATOR
18 TEST2 (NC)
17 TEST3 (NC)
16
15 A0
14 W0
13 B0
V
DD
ADN2860