Evaluation Board Hardware; Device Description; Hardware Link Options; Evaluation Board Setup Procedure - Analog Devices EVAL-AD4114 User Manual

EVAL-AD4114SDZ

EVALUATION BOARD HARDWARE

DEVICE DESCRIPTION

The AD4114 is a highly accurate, high resolution, multiplexed,
Σ-Δ ADC with 16 single-ended or 8 differential voltage inputs,
and a voltage range of −10 V to +10 V. The maximum channel
to channel scan rate is 6.21 kSPS (161 μs) for fully settled data.
The output data rates range from 1.25 SPS to 31.25 kSPS. The
device includes integrated analog reference buffers, an integrated
precision 2.5 V reference, and an integrated oscillator.
See the AD4114 data sheet for complete specifications. Consult
the data sheet in conjunction with this user guide when using
the evaluation board.

HARDWARE LINK OPTIONS

See Table 1 for the default link options. By default, the EVAL-
AD4114SDZ is powered from and controlled by the
connected to J12. The ADuM5411
Table 1. Default Link and Solder Link Options
Link Default Option
LK1 Inserted
LK2 Inserted
LK3 B (USB)
LK4 to LK6 SDP
LK7, LK8 SDP
LK9, LK10 Inserted
LK11, LK12 Removed
J6 SDP
J14 CS0
R35 Open
User Guide
SDP
(U3) output is set to 5 V.
Description
Connects the on-board external reference
different single-ended external reference.
Connects VINCOM to GND_ISO. This configuration is typical for single-ended measurement. Remove LK2 to
set the custom common analog input for single-ended channels. VINCOM is available on Pin 5 of J3.
Selects the power supply voltage.
Position A: EVAL-AD4114SDZ is powered from the external dc power supply connector, J4.
Position B: EVAL-AD4114SDZ is powered from the USB through the
Selects which Arduino serial peripheral interface (SPI) lines to connect to J6.
STD: Standard Arduino headers.
ALT: Alternate in-circuit serial programming (ICSP) header.
2
Selects the I C source for the on board electronically erasable programmable read-only memory (EEPROM).
SDP: SDP connector.
ARD: Arduino header.
Connects VIN4 and VIN5 to the Zener diodes, D16 and D17, respectively. VIN4 and VIN5 can be removed to
evaluate the voltage inputs of the
Bypasses R10 and R11 on VIN4 and VIN5, respectively.
By inserting this link, the resistor is removed from the input path and
Selects between the Arduino headers and the
signals.
SDP: SDP connector.
ARD: Arduino header.
Selects which GPIOx pin to use on the Arduino header to enable CS connections when stacking evaluation
boards.
Sets the ADuM5411 (U3) isolated regulator output voltage.
Open: +VA_ISO = 5 V.
Short: +VA_ISO = 3.3 V.

EVALUATION BOARD SETUP PROCEDURE

After following the instructions in the Software Installation
Procedures section, set up the EVAL-AD4114SDZ and
board as detailed in the Configuring the EVAL-AD4114SDZ and
SDP Boards section.
The evaluation software and drivers must be installed before
connecting the EVAL-AD4114SDZ and
port of the PC to ensure that the PC correctly recognizes the
evaluation system.
Configuring the EVAL-AD4114SDZ and
Use the following procedure to configure the boards:
1. Connect the
the EVAL-AD4114SDZ. Screw the two boards firmly
board
together using the plastic screw and washer set included in
the evaluation board kit.
2. If using the
used to connect to the EVAL-AD4114SDZ. If the Arduino
headers are used, the J6 links must be changed to ARD.
3. Ensure that LK3 is in Position B (USB).
4. Connect the
ADR4525ARZ
AD4114 directly by removing external components.
SDP connector, and has the active connector for power and SPI
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SDP
SDP board to Connector A or Connector B on
SDP-K1 board, the Arduino headers can also be
SDP board to the PC using the USB cable.
(U2) to AD4114 (U1). Remove LK1 if using a
SDP or Arduino connector.
AD4114 can be evaluated directly.
UG-1819
SDP
board to the USB
SDP Boards