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EVAL-AD7482CB Datasheet(PDF) 6 Page - Analog Devices

Part No. EVAL-AD7482CB
Description  Evaluation Board for 3 MSPS, 12-Bit SAR ADC
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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EVAL-AD7482CB Datasheet(HTML) 6 Page - Analog Devices

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EVAL-AD7482CB
Rev. 0 | Page 6 of 20
EVALUATION BOARD INTERFACING
Interface to the evaluation board via a 96-way connector, J1.
J1 is used to connect the evaluation board to the EVAL-
CONTROL BRD2 or other system. The pinout for the J1
connector is shown in Figure 2 and its pin descriptions and
pin designators are shown in Table 3 and Table 4.
1
32
1
32
A
B
C
816
24
816
24
Figure 2. Pin Configuration for the 96-Way Connector, J1
Table 3.
Signal
Description
FL0
Flag Zero. This output is connected to the CONVST pin
of the AD7482 via LK1.
IRQ2
Interrupt Request 2. This input is connected to the
BUSY output of the AD7482 through the inverter, U7.
RD
Read. An output connected to the RD pin of the
AD7482 via LK23.
WR
Write. An output connected to the WR input of the
AD7482 via LK24.
CS
Chip Select. An output connected to the CS input pin
of the AD7482 via LK22.
D0 to
D14
Data Lines. These bidirectional data lines are connected
to the data bus of the AD7482 through the buffer, U2.
DGND
Digital Ground. These lines are connected to the
ground plane of the AD7482 evaluation board.
AGND
Analog Ground. These lines are connected to the
ground plane of the AD7482 evaluation board.
DVDD
Digital +5 V Supply. These lines are connected to the
DVDD supply line on the AD7482 evaluation board via
LK16.
AVDD
Analog +5 V Supply. These lines are connected to the
AVDD supply line on the AD7482 evaluation board via
LK19.
+12 V
+12 V Supply. These lines are connected to the +12 V
supply line on the AD7482 evaluation board via LK20.
−12 V
−12 V Supply. These lines are connected to the −12 V
supply line on the AD7482 evaluation board via LK21.
Table 4. 96-Way Connector Pin Functions1
Pin No.
Row A
Row B
Row C
1
2
D0
3
D1
4
DGND
DGND
DGND
5
D2
6
D3
7
D4
8
DVDD Edge
DVDD Edge
DVDD Edge
9
RD
D5
WR
10
D6
CS
11
D7
12
DGND
DGND
DGND
13
D8
14
D9
15
D10
16
DGND
DGND
DGND
17
FL0
D11
IRQ2
18
D12
D13
D14
19
20
DGND
DGND
DGND
21
AGND
AGND
AGND
22
AGND
AGND
AGND
23
AGND
AGND
AGND
24
AGND
AGND
AGND
25
AGND
AGND
AGND
26
AGND
AGND
AGND
27
AGND
28
AGND
29
AGND
AGND
AGND
30
−12 V
AGND
+12 V
31
32
AVDD
AVDD
AVDD
1 The unused pins of the 96-way connector are not shown.


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