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Transcript
FEATURES
GENERAL DESCRIPTION
Full featured evaluation board for the ADN2850
Several test circuits
Various ac/dc input signals
PC control via a separately purchased system development
platform (SDP)
PC control software
26 extra bytes in EEMEM for user-defined information
Resistor tolerance error stored in EEMEM
This user guide describes the evaluation board for evaluating the
ADN2850—a dual-channel, 1024-position, nonvolatile memory
digital resistor. With versatile programmability, the ADN2850
allows multiple modes of operation, including read/write access
in the RDAC and EEMEM registers, increment/decrement of
resistance, resistance changes in ±6 dB scales, wiper setting readback, and extra EEMEM for storing user-defined information,
such as memory data for other components or a lookup table.
PACKAGE CONTENTS
The ADN2850 supports a dual-supply ±2.25 V to ±2.75 V
operation and a single-supply 2.7 V to 5.5 V operation, making
the device suited for battery-powered applications and many
other applications. In addition, the ADN2850 uses a versatile
SPI-compatible serial interface, allowing speeds of up to
50 MHz.
EVAL-ADN2850SDZ evaluation board
CD that includes
Self-installing software that allows users to control the
board and exercise all functions of the device
Electronic version of the ADN2850 data sheet
Electronic version of the UG-276 document
The EVAL-ADN2850SDZ can operate in single-supply and
dual-supply mode and incorporates an internal power supply
from the USB.
Complete specifications for the ADN2850 part can be found
in the ADN2850 data sheet, which is available from Analog
Devices, Inc., and should be consulted in conjunction with
this user guide when using the evaluation board.
DIGITAL PICTURE OF EVALUATION BOARD WITH SYSTEM DEMONSTRATION PLATFORM
SYSTEM DEMONSTRATION
PLATFORM
09842-001
EVAL-ADN2850SDZ
Figure 1.
www.BDTIC.com/ADI
TABLE OF CONTENTS
Features .............................................................................................. 1
Test Circuits ...................................................................................4
Package Contents .............................................................................. 1
Evaluation Board Software ...............................................................6
General Description ......................................................................... 1
Installing the Software ..................................................................6
Digital Picture of Evaluation Board with System
Demonstration Platform.................................................................. 1
Running the Software ...................................................................6
Revision History ............................................................................... 2
Evaluation Board Schematics and Artwork ...................................8
Evaluation Board Hardware ............................................................ 3
Ordering Information .................................................................... 14
Power Supplies .............................................................................. 3
Bill of Materials ........................................................................... 14
Software Operation .......................................................................7
Link Options ................................................................................. 3
REVISION HISTORY
5/11—Revision 0: Initial Version
www.BDTIC.com/ADI
EVALUATION BOARD HARDWARE
POWER SUPPLIES
LINK OPTIONS
The EVAL-ADN2850SDZ supports the use of single and dual
power supplies.
Several link and switch options are incorporated in the evaluation board and should be set up before using the board. Table 2
describes the positions of the links to control the evaluation board
by a PC, via the SDP board, using the EVAL-ADN2850SDZ in
single-supply mode. The functions of these link and switch
options are described in detail in Table 3 through Table 6.
In single-supply mode, the evaluation board can be powered
either from the SDP port or externally by the J1-1, J1-2, and
J1-3 connectors, as described in Table 1.
If dual-supply mode is required, the J1-1, J1-2, and J1-3 connectors
must provide the external power supply, as described in Table 1.
All supplies are decoupled to ground using 10 µF tantalum and
0.1 µF ceramic capacitors.
Table 1. Maximum and Minimum Voltages of the Connectors
Connector No.
J1-1
Label
EXT VDD
J1-2
J1-3
GND
EXT VSS
Table 2. Link Options Setup for SDP Control (Default)
Link No.
A25
A24
Option
3.3 V
GND
Voltage
Analog positive power supply, VDD.
For single-supply operation, it is
2.7 V to 5.5 V.
For dual-supply operation, it is
2.5 V to 2.75 V.
Analog GND.
Analog negative power supply, VSS.
For single-supply operation, it is 0 V.
For dual-supply operation, it is
−2.5 V to −2.75 V.
Table 3. Link Functions
Link No.
A25
Power Supply
VDD
A24
VSS
Options
This link selects one of the following as the positive power supply:
5 V (from SDP).
3.3 V (from SDP).
EXT (external supply from the J1-1 connector).
This link selects one of the following as the negative power supply:
GND (analog ground).
VSS (external supply from the J1-3 connector).
www.BDTIC.com/ADI
TEST CIRCUITS
The output voltage is defined in Equation 1.
The EVAL-ADN2850SDZ incorporates several test circuits to
evaluate the ADN2850 performance.
VOUT = (VREF1 − VREF2 ) ×
Pseudologarithmic DAC
RDAC1 can be operated as a pseudologarithmic DAC, as shown
in Figure 2.
VDD – VSS
2
AC + DC
VDD
EXTERNAL
CONNECTION
VDD
R34
4.7kΩ
A1
W1
W1
DC
VDD – VSS
2
RDAC1
× 25 kΩ
1024
(2)
where:
RWB1 is the resistor between the W1 and B1 terminals.
VREF1 is the top voltage reference (A20 link).
VREF2 is the bottom voltage reference (A21 link).
RDAC1 is the code loaded in the RDAC1 register.
W1_BUF
RDAC1 can be operated as a pseudoantilogarithmic DAC,
as shown in Figure 4. In this case, R35 must be changed
from the populated value of 0 Ω resistance to the suggested
value of 4.7 kΩ.
BUF_W1
B1
R35
VSS
VDD – VSS
2
GND
VDD
09842-002
VSS
AC + DC
EXTERNAL
CONNECTION
VDD
R34
4.7kΩ
Figure 2. Pseudologarithmic DAC
A1
RDAC1
W1
The output voltage plot is shown in Figure 3. The output voltage
is relative to VDD and VSS.
W1
B1
1.0
DC
VDD – VSS
2
0.8
W1_BUF
BUF_W1
B1
R35
4.7kΩ
VSS
VSS
GND
0.6
09842-003
RELATIVE OUTPUT VOLTAGE
(1)
Pseudoantilogarithmic DAC
RDAC1
B1
RWB1 =
RWB1
+ VREF2
RWB1 + R34
Figure 4. Pseudoantilogarithmic DAC.
0.4
The output voltage plot is shown in Figure 5. The output voltage
is relative to VDD and VSS.
0.2
200
400
600
DECIMAL CODE
800
1000
Figure 3. Pseudologarithmic Gain
Table 4 shows the options available for the voltage references.
Table 4. Pseudologarithmic DAC Voltage References
Terminal
A1
Link
A20
W1
BUF_W1
B1
A21
Options
AC + DC
VDD
DC
VSS
GND
Description
Connects R34 to (VDD − VSS)/2
Connects R34 to VDD
Connects Terminal W1 to an
output buffer
Connects Terminal B1 to
(VDD − VSS)/2
Connects Terminal B1 to VSS
Connects Terminal B1 to
analog ground
0.8
0.6
0.4
0.2
0
0
200
400
600
DECIMAL CODE
800
Figure 5. Pseudoantilogarithmic Gain
www.BDTIC.com/ADI
1000
09842-020
0
RELATIVE OUTPUT VOLTAGE
0
09842-019
1.0
Table 5 shows the options available for the voltage references.
The noninverting amplifier with linear gain is shown in Figure 6,
and the gain is defined in Equation 3.
Options
AC + DC
VDD
W1
BUF_W1
B1
A21
DC
VSS
GND
Description
Connects Terminal W1
to (VDD − VSS)/2
Connects Terminal W1 to VDD
Connects Terminal W1 to an
output buffer
Connects R35 to (VDD − VSS)/2
Connects R35 to VSS
Connects R35 to analog
ground
R35
= (VREF1 − VREF2 ) ×
+ VREF2
RWB1 + R35
RWB1 =
RDAC1
× 25 kΩ
1024
(3)
(4)
Signal Amplifier
Table 6. Amplifier Selection Link Options
Inverting
Linear
where RWB2 is the resistor between the W2 and B2 terminals.
R41, 1.7kΩ
VIN
Link
A27
A29
A30
A27
A29
A30
VOUT
R38, 2.7kΩ
C1
10nF
W2
W2
OAVOUT
B2
R42
B2
RDAC2
The inverting amplifier with linear gain is shown in Figure 7,
and the gain is defined in Equation 5.
G=−
RWB2
R38
(5)
where RWB2 is the resistor between the W2 and B2 terminals.
R41, 1.7kΩ
VIN
Label
LINEAR
NON-INVERTING
NON-INVERTING
LINEAR
INVERTING
INVERTING
VOUT
R38, 2.7kΩ
C1
10nF
W2
W2
RDAC2 can be operated as an inverting or noninverting signal
amplifier supporting linear gains. Table 6 shows the available
configurations.
Gain
Linear
(4)
R42 can be used to set the maximum and minimum gain limits.
where:
RWB1 is the resistor between the W1 and B1 terminals.
VREF1 is the top voltage reference (A20 link).
VREF2 is the bottom voltage reference (A21 link).
RDAC1 is the code loaded in the RDAC1 register.
Amplifier
Noninverting
RWB2
R38
Figure 6. Linear Noninverting Amplifier
The output voltage is defined in Equation 3.
VOUT
G =1+
OAVOUT
B2
B2
R42
09842-005
Link
A20
RDAC2
Figure 7. Linear Inverting Amplifier
R42 can be used to set the maximum and minimum gain limits.
Current Monitoring Configurable Function
The ADN2850 comes with a pair of matched diode connected
PNPs (Q1 and Q2) accessible from external pins (I1 and I2); test
points (V1 and V2) allow direct access to these pins, as shown
in Figure 8.
V1
I1
CURRENT
MONITOR
V2
I2
09842-006
Terminal
A1
09842-004
Table 5. Pseudoantilogarithmic DAC Voltage References
Figure 8. Current Monitoring
The ADN2850 data sheet provides a detailed description how to
use these current monitor terminals.
www.BDTIC.com/ADI
EVALUATION BOARD SOFTWARE
INSTALLING THE SOFTWARE
RUNNING THE SOFTWARE
The EVAL-ADN2850SDZ evaluation kit includes evaluation
board software provided on a CD. The software is compatible
with Windows® XP, Windows Vista, and Windows 7 (both 32
and 64 bits).
To run the evaluation board software, do the following:
1.
2.
3.
4.
5.
Start the Windows operating system and insert the CD.
The installation software opens automatically. If it does
not, run the setup.exe file from the CD.
After installation is completed, power up the evaluation
board as described in the Power Supplies section.
Plug the EVAL-ADN2850SDZ into the SDP board and
the SDP board into the PC using the USB cable included
in the box.
When the software detects the evaluation board, follow
the instructions that appear to finalize the installation.
To uninstall the program, click Start > Control Panel > Add or
Remove Programs > ADN2850 Eval Board.
2.
Click Start > All Programs > Analog Devices > ADN2850
> ADN2850 Eval Board.
If the SDP board is not connected to the USB port when
the software is launched, a connectivity error is displayed
(see Figure 9). Connect the evaluation board to the USB
port of the PC, wait a few seconds, click Rescan, and follow
the instructions.
09842-007
Install the software before connecting the SDP board to the USB
port of the PC to ensure that the SDP board is recognized when
it is connected to the PC.
1.
Figure 9. Pop-Up Window Error
09842-008
The main window of the EVAL-ADN2850SDZ evaluation
software then opens, as shown in Figure 10.
Figure 10. EVAL-ADN2850SDZ Evaluation Board Software Main Window
www.BDTIC.com/ADI
SOFTWARE OPERATION
The main window of the EVAL-ADN2850SDZ software is
divided into the following sections: QUICK COMMANDS,
REGISTER ACCESS, HARDWARE PINS, TOLERANCE, and
MEMORY. The features of the main window are as follows:
•
•
•
•
The QUICK COMMANDS section allows you to send the
ADN2850 quick commands directly to the ADN2850.
The REGISTER ACCESS section can be used to update
the RDAC registers by typing a value into a window and
clicking WRITE. Alternatively, you can send a customized
SPI data word by manually switching the scroll bars from
0 to 1 or from 1 to 0, as desired, and then clicking SEND
DATA. When WRITE is clicked or a quick command is
executed, a write-read operation is performed, and the
values displayed in this section are updated with the actual
•
•
RDAC register values. This function can be used to verify
whether the write operation was completed successfully.
The scroll bars are updated upon each write transfer.
The HARDWARE PINS section selects the level of the
external control pins, switches the level of the WP pin, and
generates a pulse in the PR pin.
The TOLERANCE section displays the stored tolerance
of the RDAC1 internal resistor.
The MEMORY section displays the data stored in the
memory block. The data can be updated by switching the
scroll bar from READ to WRITE, updating a particular
window value, clicking UPDATE ALL or UPDATE
SINGLE, and selecting the memory location to write.
Clicking EXIT closes the program but does not reset the part.
www.BDTIC.com/ADI
A1
A1
www.BDTIC.com/ADI
Rev. 0 | Page 8 of 16
Figure 11. Schematic of Multiboard Digital Potentiometers
B4
W4-3
A4
B3
W3-3
A3
B2
W2-3
A2
B1
W1-3
A1
B4
W4-2
A4
B3
W3-2
A3
B2
W2-2
A2
B1
W1-2
B4
W4-1
A4
B3
W3-1
A3
B2
W2-1
A2
B1
W1-1
16
DGND 9
VDD
AD8403
13
14
2
14 W3
12
22 A4
16 B4
17 W4
VSS
GND
WP
6
5
20
18 A4
22
3
2
4
23
24
1
19
RESET 21
SYNC
DIN
SCLK
SDO
RDY
O2
O1
VDD
AD5233
13 B3
14 W3
15 A3
12 B2
11 W2
10 A2
9 B1
8 W1
U4
7 A1
11
24 B4
VSS
GND 3
23 W4
NC
NC 1
13 B3
NC
SHDN 7
RESET
15 A3
VSS
VDD
VSS
WP
RESET
SYNC-3
DIN
SCLK
SDO
RDY
O2
O1
SHDN
RESET
SDO
10
20 W2
5
DIN 8
19 A2
SDO
DIN
SCLK 9
21 B2
SYNC-2
SCLK
SYNC 4
16 B1
VDD
SYNC-1
17 W1
11
DIN
SDO
SCLK
RESET
SHDN
AD5204
VDD 6
SYNC
DIN 12
SDO
SCLK
VDD
U8
18 A1
6 B4
5
AGND4
8 W4
7 A4
20 B3
17
AGND3
18 W3
19 A3
SHDN 10
2 B2
1 AGND2
15
RESET
4 W2
3 A2
24 B1
21 AGND1
22 W1
U6
23 A1
A1
A1
B2
W2-7
A2
B1
W1-7
A1
V2
V1
B2
W2-6
B1
W1-6
B2
W2-5
A2
B1
B2
W2-4
B1
W1-4
W1-5
SPI
2
W1
A1
W1
W1
A1
9
10
11
B2
W2
A2
16
3
2
1
15
4
GND 5
VSS
13
WP 14
RESET
RDY
SDO
DIN
SCLK
SYNC
16
3
2
1
15
U11 VDD 12
4
GND 5
VSS
13
WP 14
RESET
RDY
SDO
DIN
SCLK
SYNC
12
4
GND 5
VSS
U12 VDD
AD5235
V2
V1
B2
W2
8 B1
7
6
11
6
9
10
16
3
2
1
15
13
WP 14
RESET
RDY
SDO
DIN
SCLK
SYNC
ADN2850
B2
W2
A2
8 B1
7
9
10
11
4
U10 VDD 12
GND
SYNC 8
7
DIN 6
SCLK
AD5232
B2
W2
B1
W1
U2 VDD 5
AD5162
A1
8 B1
7
6
9
3
1
10
VSS
VDD
VSS
VDD
VSS
VDD
VDD
WP
RESET
RDY
SDO
DIN
SCLK
SYNC-7
WP
RESET
RDY
SDO
DIN
SCLK
SYNC-6
WP
RESET
RDY
SDO
DIN
SCLK
SYNC-5
SYNC-4
DIN
SCLK
B2
W2-9
A2
B1
W1-9
A1
B4
W4-8
A4
B3
W3-8
A3
B2
W2-8
A2
B1
W1-8
A1
13
14
12
5
4
6
18 B4
B3
W3
A3
B1
W1
0x58
20
15
5
10
DGND 8
VSS
3
WP 11
AD1 2
AD0
9
SCL 7
SDA
U9 VDD
0x5A
1
VSS 10
DGND
WP
AD0 4
AD1 16
SDA 9
14
SCL
VDD
AD5254
AD5252
A1
19 W4
17 A4
12 B3
13 W3
11 A3
7 B2
6 W2
8 A2
2 B1
1 W1
U7
3 A1
MULTICHANNEL
VSS
VDD
VSS
WP
SDA
SCL
VDD
I2C
WP
SCL
SDA
VDD
B2
W2-11
A2
B1
W1-11
A1
B2
W2-10
A2
B1
W1-10
A1
B1
W1
B1
W1
A1
9
3
B2
W2
U1
AD5243
B2
W2
8 A2
1
10
2
9
3
8 A2
1
10
4
6
7
GND
SCL
SDA
VDD
4
6
7
5
0x5E
GND
SCL
SDA
0x5E
AD5172_SOCKET
2
U3 VDD 5
A1
VDD
SCL
SDA
VDD
SCL
SDA
B2
W2-12
A2
B1
W1-12
A1
7
5
6
1
3
2
B2
W2
A2
B1
W1
A1
VDD
VSS
13
12
11
10
9
GND 8
4
VSS
CS
CLK
U/D
DACSEL
MODE
U5 VDD 14
AD5222
U/D
CS
CLK
U/D
DACSEL
MODE
UG-276
Evaluation Board User Guide
EVALUATION BOARD SCHEMATICS AND ARTWORK
09842-009
VDD
8
U15-C
V+
V4
VDD
VSS
R39
AC_INPUT
A1
C3
A20
A
U15-A
3
+
2
1
B
C
-
R40
VDD
AC + DC
AC
R34
A1
AD8652AR
VSS
DAC + FLOATING DAC + BW
W1-1
W1-2
W1-3
W1-4
W1-5
W1-6
W1-7
W1-8
W1-9
W1-10
W1-11
W1-12
AD8403-1
W1_BUF
BUF-W1
AD5204-1
3 +
1
U14-A
2
AD8618ARZ
AD5233-1
W1
AD5162-1
AD5232-1
ADN2850-1
W1
AD5235-1
R36
AD5254-1
PSEUDOLOG ATTENUATOR
AD5252-1
AD5172
AD5243-1
B1
AD5222-1
A21
A
VDD
B1
R35
B1
B
R3
C
VSS
AD8652AR
6
-
5
7
+
U15-B
09842-010
R4
VSS
Figure 12. Schematic of Multiboard RDAC1 Circuits
INVERTING AND NON-INVERTING WITH LINEAR AND PSEUDO-LOG GAIN
W2-11
W2-12
B
AD5232 -2
A
A30
NON-INVERTING
W2
B2
ADN2850 -2
A2
VIN
J2-1
W2
AD5252 -2
AD5172 -2
GND
AD5243 -2
PSEUDOLOG
INVERTING
AD5254 -2
NON-INVERTING
LINEAR
DIGIPOT
B2
R42
R43
B
AD5235 -2
CIRCUIT CONNE CTION
OAVOU T
5 +
7
6 U14-B
AD8618ARZ
A2
C1
R38
J2-2
AD5322 -2
Figure 13. Schematic of Multiboard RDAC2 Circuits
www.BDTIC.com/ADI
09842-011
W2-10
R41
A
W2-8
W2-9
W2
AD5162 -2
A27
W2-7
AD5233 -2
B
W2-5
W2-6
VOU T
INVERTING
AD5204 -2
A
W2-3
W2-4
AD8403 -2
A29
W2-1
W2-2
Figure 14. Schematic of ADN2850 Power Supplies and Other Channels
www.BDTIC.com/ADI
W3-8
W3-3
W3-2
W3-1
AD5254-4
AD5233-4
AD5204-4
AD8403-4
AD5254-3
AD5233-3
AD5204-3
AD8403-3
W4-8
W4-3
W4-2
W4-1
W3
W4
BUF-3
BUF-4
A3
B4
A4
B3
10 +
8
U14-C
9
AD8618ARZ
12 +
14
U14-D
13
AD8618ARZ
CHANNELS 3 AND 4
B3
VOUT3
A3
B4
VOUT4
A4
O1
O2
O2
O1
DIGITAL PINS
+3.3V +5V
GND
GND
EXT VSS
B
A
A24
+
V1
V2
V2
V1
+
10uF
C27
C24
10uF
C26
0.1uF
C25
0.1uF
POWER-SUPPLIES
CURRENT MONITOR
J1-3
J1-2
A25
EXT VDD
A
J1-1
+5V
B
+3.3V
C
POWER-SUPPLY
C4
0.1uF
C2
0.1uF
VSS
VDD
09842-012
+3.3V
24LC01
1
A0
2
A1
3
A2
4
VSS
D6
LED
U25
8
VCC
7
WP
6
SCL
5
SDA
1K
R37
www.BDTIC.com/ADI
Rev. 0 | Page 11 of 16
RESET_BF
SHDN_BF
MUX-A0|CS
MUX-A2|U/D
SCL_BF
SDA_BF
DIN_BF
SCLK_BF
SYNC_BF
+5V
+3.3V
J22
Figure 15. Schematic of SDP Connector
114
113
9
112
10
111
71
70
68
67
66
65
64
61
62
I2C
FUTURE USE
BLACKFIN
CONTROL
UART
TIMERS
INPUT/OUTPUT
GENERAL
SPI
90
31
91
92
35
PAR_D23
PAR_D21
SPORT_DR3
SPORT_DR2
SPORT_DT2
SPORT_DT3
TMR_C
FUTURE
FUTURE
FUTURE
FUTURE
FUTURE
FUTURE
FUTURE
RESET_IN
UART_RX
TMR_A
7
8
29
30
33
34
49
50
51
53
54
55
56
57
60
59
48
43
GPIO0
44
GPIO2
45
GPIO4
47
GPIO6
41
SDA_1
42
SCL_1
37
SPI_SEL_B
38
SPI_SEL_C
39
SPI_SEL1/_SS
BLACKFIN-DB_FEMALE_CONNECTOR_2
PAR_D22
PAR_D20
PAR_D19
PAR_D18
PAR_D17
PAR_D16
FUTURE
FUTURE
FUTURE
FUTURE
FUTURE
FUTURE
FUTURE
BMODE1
UART_TX
73
TMR_B
72
TMR_D
78
GPIO1
77
GPIO3
76
GPIO5
74
GPIO7
80
SDA_0-EEPROM
79
SCL_0-EEPROM
85
SPI_SEL_A
84
SPI_MOSI
83
SPI_MISO
82
SPI_CLK
SPORT_RFS
SPORT_DR1
SPORT_DR0
SPORT_RSCLK
SPORT_INT
26
PAR_FS3
27
PAR_FS1
89
SPORT_TFS
32
SPORT_DT1
88
SPORT_DTO
87
SPORT_TSCLK
24
PAR_A3
25
PAR_A1
95
PAR_FS2
94
PAR_CLK
12
13
14
15
16
18
19
20
1
2
3
4
5
6
11
17
23
28
36
40
46
52
58
97
PAR_A2
96
PAR_A0
SPORT
PORT
PARALLEL
PAR_D14
PAR_D13
PAR_D11
PAR_D9
PAR_D7
PAR_D5
PAR_D3
PAR_D1
VIN_4-12V
N/C
GND
GND
5V_USB
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
21
PAR_RD
22
PAR_CS
PAR_D15
PAR_D12
PAR_D10
PAR_D8
PAR_D6
PAR_D4
PAR_D2
PAR_D0
7V_UNREGOUT
7V_UNREGOUT
GND
GND
V_IO(3.3V)
GND
GND
POWER SUPPLY
GND
GND
GND
GND
GND
GND
GND
GND
100
PAR_WR
99
PAR_INT
110
108
107
106
105
103
102
101
120
119
118
117
116
115
109
104
98
93
86
81
75
69
63
SDP BOARD CONNECTOR AND EEPROM
RDY|MODE
WP_BF
CLK_BF
MUX-A1|DACSEL
SDO_BF
+5V
A23
SYNC
RDY|MODE
CLK
MUX-A2|U/D
VDD
A8
A7
A6
A5
MUX-A1|DACSEL
MUX-A0|CS
MUX-A1|DACSEL
MUX-A2|U/D
RDY|MODE
CLK_BF
MUX-A2|U/D
MUX-A1|DACSEL
MUX-A0|CS
MUX-A0|CS
D
VDD
ADG658
7
8
VSS
GND
11
A0
10
9 A1
6 A2
EN
3
16
WP_BF
SYNC_BF
SDO_BF
DIN_BF
S8
S7
S6
S5
S4
S3
S2
S1
A22
4
2
5
1
12
15
14
13
MUX - CS
WP_BF
SYNC_BF
SDO_BF
DIN_BF
SCLK_BF
SCLK_BF
A11
A10
A12
A13
A9
SYNC-7
SYNC-6
SYNC-5
SYNC-4
SYNC-3
SYNC-2
SYNC-1
RESET_BF
SHDN_BF
SCL_BF
SDA_BF
EXTERNAL CONTROL CONNECTION
RDY_BF
SDO_BF
RESET_BF
SHDN_BF
SCL_BF
SDA_BF
A16
A17
A18
A14
SYNC_BF
RESET_BF
WP_BF
SHDN_BF
SCLK_BF
DIN_BF
R1
2k2
+3.3V
VDD
DGND
31
32
35
36
37
38
39
40
1
2
3
4
5
6
7
8
9
10
BE1
BE2
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
B0
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
B11
B12
B13
B14
B15
SEL
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
34
U13 ADG3247-CSP
11
33
GND VCC
+3.3V
VSS
+3V3
LEVEL TRANSLATOR
SDA_BF
SCL_BF
MUX-A0|CS
MUX-A1|DACSEL
MUX-A2|U/D
RDY|MODE
CLK_BF
R2
2k2
+3.3V
VDD
AGND
VSS
+5V
SCLK
DIN
SDO
SYNC
RESET
WP
SHDN
RDY
SDA
SCL
CS
DACSEL
U/D
MODE
CLK
+5V
TEST POINTS
Evaluation Board User Guide
UG-276
09842-013
09842-014
09842-015
Figure 16. Component Side View
09842-016
Figure 17. Component Placement Drawing
Figure 18. Layer 2 Side PCB Drawing
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09842-017
09842-018
Figure 19. Layer 3 Side PCB Drawing
Figure 20. Solder Side PCB Drawing
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ORDERING INFORMATION
BILL OF MATERIALS
Table 7.
Qty
1
4
1
2
1
1
1
1
4
3
4
1
2
5
1
35
1
6
35
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Reference Designator
C1
C2, C4, C25, C26
C3
C24, C27
D6
J1
J2
J22
A20, A21, A24, A25
A27, A29, A30
BUF-W1, OAVOUT, BUF-3, BUF-4
R41
R1, R2
R3, R4, R38, R39, R40
R34
AD5162-1, AD5162-2, AD5172-1,
AD5172-2, AD5204-1, AD5204-2,
AD5204-3, AD5204-4, AD5222-1,
AD5222-2, AD5232-1, AD5232-2,
AD5233-1, AD5233-2, AD5233-3,
AD5233-4, ADN2850-1, ADN2850-2,
AD5243-1, AD5243-2, AD5252-1,
AD5252-2, ADN2850-1, ADN2850-2,
ADN2850-3, ADN2850-4, AD8403-1,
AD8403-2, AD8403-3, AD8403-4,
ADN2850-1, ADN2850-2, R35, R42, R43
R37
3.3 V, 5 V, DGND, AGND, VDD, VSS
A1, A2, A3, A4, RDY|MODE, RESET_BF,
SCL_BF, SCLK_BF, SDA_BF, SDO_BF,
SHDN_BF, SYNC_BF, MUX-A0|CS,
MUX-A1|DACSEL, MUX-A2|U/D, O1, O2,
DIN_BF, CLK, B1, B2, B3, B4, V1, V2, VOUT,
VOUT2, VOUT3, VOUT4, W1, W1_BUF, W2,
W3, W4, WP_BUF
U1
U2
U3
U4
U5
U6
U7
U8
U9
U10
U11
U12
U13
U14
U15
A22
U25
Description
10 nF capacitor, 0805
0.1 µF capacitor, 0603
1 µF capacitor, 0402
10 µF capacitor, 1206
LED, green
3-pin connector
2-pin connector
Receptacle, 0.6 mm, 120 way
Header, 2-row, 36 + 36 way, and jumper socket, black
Header, 1-row, 3-way, and jumper socket, black
Header, 1-row, 2-way, and jumper socket, black
1.78 kΩ resistor, 0603, 1%
2.2 kΩ resistor, 0603, 1%
2.7 kΩ resistor, 1206, 1%
4.7 kΩ resistor, 0603, 1%
0 Ω resistor, 0603
Supplier 1/Part Number
FEC 1692285
FEC 138-2224
FEC 1288253
FEC 1611967
FEC 579-0852
FEC 151790
FEC 151789
Digi-Key H1219-ND
FEC 148-535 and FEC 150-410
FEC 102-2248 and FEC 150-410
FEC 102-2247 and FEC 150-410
FEC 1170811
FEC 933-0810
FEC 9337288
FEC 9331247
FEC 9331662
1 kΩ resistor, 0603, 1%
Test point, PCB, black, PK100
Test point, PCB, red, PK100
FEC 933-0380
FEC 873-1128
FEC 873-1144
AD5243
AD5162
AD5172
AD5233
AD5222
AD8403
ADN2850
AD5204
AD5252
AD5232
ADN2850
ADN2850
ADG3247
AD8618
AD8652
ADG658
24LC64
Analog Devices AD5243
Analog Devices AD5162
Analog Devices AD5172
Analog Devices AD5233
Analog Devices AD5222
Analog Devices AD8403
Analog Devices ADN2850
Analog Devices AD5204
Analog Devices AD5252
Analog Devices AD5232
Analog Devices ADN2850
Analog Devices ADN2850
Analog Devices ADG3247
Analog Devices AD8618
Analog Devices AD8652
Analog Devices ADG658
FEC 975-8070
FEC refers to Farnell Electronic Component Distributors; Digi-Key refers to Digi-Key Corporation.
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NOTES
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NOTES
ESD Caution
ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection
circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.
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have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc.
(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal,
temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided
for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional
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registered trademarks are the property of their respective owners.
UG09842-0-5/11(0)
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