Analog Devices AD5282, Руководство пользователя

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256-Position I
2
C Compatible
Dual, +15V, Digital Potentiometer
Evaluation Board User Manual
AD5282
12
VDD
B1
A1
W1
SDO
A1
W1
B1
VDD
SHDN
CLK/SCL
SDI/SDA
A2
W2
B2
VL
VSS
DGND
VDD
CS/AD0
SDO
A1
W1
B1
VDD
SHDN
CLK/SCL
SDI/SDA
A2
W2
B2
NC/O2
VSS
DGND
RES/AD1
CS/AD0
4 5
6
7
8
3
5
7
8
9
10
6
4 5
6
7
8
3 4
5
6
7
8
9
10
6
7
8
9
10
6
B3
A3
W3
VDD
DIS
DGND
VL
SDI/SDA
CLK/SCL CS/AD0
RES/AD1
SHDN
B2
SDO
NC/O2
VSS
W4
A4
B4
W2
A2
W1
VDD
DGND
CLK/SCL
A1
B1
CS/AD0
SDI/SDA
A1
B1
CS/AD0
SDO
SDI/SDA
W1
VDD
DIS
DGND
CLK/SCL
W1
VDD
DGND
CLK/SCL A1
B1
CS/AD0
SDI/SDA
W1
B2
CS/AD0
SDI/SDA
CLK/SCL
B1
A1
W2
DGND
VDD
W1
B2
A2
SDI/SDA
CLK/SCL
B1
A1
W2
DGND
VDD
VDD
DGND
CLK/SCL A1
W1
SDI/SDA
VDD
3 4
5
6 VDD
DGND
CLK/SCL B1
W1
SDI/SDA
W1 W2
SDO
A1
W1
B1
VDD
SHDN
CLK/SCL
SDI/SDA
A2
W2
B2
VL
VSS
DGND
RES/AD1
CS/AD0
2
7
8
9
10
6
B1
CS/AD0
W2
DGND
VDD
W1
B2
RES/AD1
SDI/SDA
CLK/SCL
VDD
OUT1
-IN1
V- +IN2
-IN2
OUT2
V+
+IN1
B2
W1
A2
B2
W1
1 2 3 4 5
5 4 3 2 1
D
C
B
A
B1
1
A1
2
W1
3
B3
4
A3
5
W3
6
VDD
7
GND
8
VSS
18
W4
19
A4
20
B4
21
W2
22
A2
23
B2
24
NC/O2
17
DIS
9
SDO/O1
16
SHDN
15
RESB/AD1
14
CS/AD0
13
VLOGIC
10
SDI/SDA
11
CLK/SCL
U1
AD5263
R13
10k
R12
10k
C1
10u
VDD
W1
B1
W2
A2
B2
JP4
AGND
A1
C2
0.1u
JP5
Temp
1
Vout
4
Trim
5
GND
2
Vin
3
U12
ADR03
C3
0.1u
SDO
1
CS
9
A1
2
A2
16
W1
3
W2
15
B1
4
B2
14
VDD
5
VL
13
SHDN
6
VSS
12
CLK
7
GND
11
SDI
8
PR
10
U3
AD5262
O1
1
A1
2
W1
3
B1
4
VDD
5
SHDN
6
SCL
7
SDA
8
AD1
10
GND
11
VSS
12
O2
13
B2
14
W2
15
A2
16
AD0
9
U4
AD5242
W
1
VDD
2
GND
3
CLK SDI
CS
B
A
U7
AD5160
A
1
B
2
CS/AD0
SDO/NC
4
SDI/SDA
GND
SPI/I2C
VDD
W
CLK/SCL
U9
AD5161
W
1
VDD
2
GND
3
SCL SDA
AD0
B
A
U8
AD5245
VDD
1
GND
2
SCL SDA
W
A
U5
AD5247
B1
1
A1
2
W2
3
GND
4
VDD
5
SDA
SCL
U10
AD5243
B1
1
A1
2
W2
3
GND
4
VDD
5
SDI
CS
B2
W1
CLK
U11
AD5162
CS/AD0
CLK/SCL
SDI/SDA
RES/AD1
C5
0.1u C6
0.1u C7
0.1u C8
0.1u C9
0.1u C10
0.1u C11
0.1u C12
0.1u C13
0.1u C14
0.1u C4
0.1u
VDD
1
GND
2
SCL SDA
W
B
U6
AD5246
R11
10k
DIS
JP2
JP3
C16
0.1u
C17
10u
VSS
W4
A4
B4 B3
A3
W3
Q1
FDV301
JP14
Q2
FDV301
JP15
D1 D2
CP16 CP18
O2
DGND
DGNDPAD
R15
10k
R14
10k
VREF
CP15 CP17
1
14
2
15
3
16
4
17
5
18
6
19
7
20
8
21
9
22
10
23
11
24
12
25
13
J1
DB25
R1
220
R6
100
R3
100
R4
100
R5
100
R2
220
R7
100
SHDN
R8
100
R10
10k
SDO/O1
R16
10k
JP1
R9
470
O1
1
A1
2
W1
3
B1
4
VDD
5
SHDN
6
SCL
7
SDA
8
AD1
10
GND
11
VSS
12
VL
13
B2
14
W2
15
A2
16
AD0
9
U2
AD5282
B1
1
AD0
W2
3
GND
4
VDD
5
SDA
AD1
SCL
U14
AD5248
C15
0.1u
OUT1
1
-IN1
2
+IN1
3
V-
4
+IN2
5
-IN2
6
OUT2
7
V+
8
U3A
U3B
U13
AD822
FDV301N Power FETs
AD822 Dual Opamp
ADR03 2.5V Reference
Figure 3. Evaluation Board Schematic
Rev B 11/03/03
3