Analog Devices EVAL-ADG2108EBZ User Manual
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Analog Devices EVAL-ADG2108EBZ User Manual

Analog Devices EVAL-ADG2108EBZ User Manual

For the adg2108 i2c cmos 8×10 analog switch array with dual/single supplies
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One Technology Way • P.O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluation Board for the

FEATURES

Full-featured evaluation board for the
Various link options
Direct hook up to the USB port of a PC
PC software for control of switches
Functions with or without a PC

GENERAL DESCRIPTION

This document describes the evaluation board for the
2
I
C, CMOS, 8 × 10 analog switch array with dual/single supplies.
The array is bidirectional, and, as a result, its rows and columns
can be configured as either inputs or outputs. Any number of
combinations can be active at one time.
CONNECTOR
CONTROLLER
CY7C68013
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS.
ADG2108
Dual/Single Supplies
ADG2108
ADG2108

EVALUATION BOARD BLOCK DIAGRAM

USB
DGND
VBUS
3.3V
LINEAR
REGULATOR
SCL
SDA
EVAL-ADG2108EBZ User Guide
2
I
C CMOS 8 × 10 Analog Switch Array with
The
ADG2108
inputs, V
and V
DD
this parameter when connecting the power supplies.
The evaluation board interfaces to the USB port of a PC.
Software is available with the evaluation board that allows the
user to easily program the ADG2108. The
can also be used as a standalone board.
Complete specifications for the
ADG2108
data sheet, available from Analog Devices, Inc., which
should be consulted in conjunction with this user guide when
using the evaluation board.
POWER SUPPLY INPUTS
V
V
GND
L
SS
ADG2108
I/O
CMOS ANALOG
SWITCH ARRAY
I/O
X0
RESET
Figure 1.
Rev. B | Page 1 of 12
has a maximum difference of 15 V between its
. Therefore, care must be taken not to exceed
SS
EVAL-ADG2108EBZ
ADG2108
are available in the
V
DD
Y0
I/O
Y7
X9
I/O
UG-465

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Summary of Contents for Analog Devices EVAL-ADG2108EBZ

  • Page 1: Features

    This document describes the evaluation board for the ADG2108 ADG2108 data sheet, available from Analog Devices, Inc., which C, CMOS, 8 × 10 analog switch array with dual/single supplies. should be consulted in conjunction with this user guide when The array is bidirectional, and, as a result, its rows and columns using the evaluation board.

  • Page 2: Table Of Contents

      Link Options ................. 3 REVISION HISTORY 3/16—Rev. A to Rev. B Changed EVAL-ADG2108EB to EVAL-ADG2108EBZ ..Universal Deleted Installing the Software Section ..........5 Added Software Installation Section and Reinitialize Software Section ...................... 5 Changes to Software Operation Section, Figure 2, Figure 3, Setting the I C Address Section, and Figure 4 ........

  • Page 3: Evaluation Board Hardware

    EVAL-ADG2108EBZ User Guide UG-465 EVALUATION BOARD HARDWARE POWER SUPPLIES Both analog GND and digital GND inputs are provided on the board. The AGND and DGND planes are connected at one EVAL-ADG2108EBZ can be operated with both single and location close to the ADG2108. It is recommended not to dual supplies.
  • Page 4 UG-465 EVAL-ADG2108EBZ User Guide Setup for PC Control Table 3. Link Options Setup for Control Without a PC Link No. Option The default setup for the EVAL-ADG2108EBZ is for control by User configurable. Does not affect whether the the PC via the USB port. The default link options are listed in board is connected to a PC or not.

  • Page 5: Deleted Installing The Software Section

    After the directory is selected, the installation procedure copies the files into the relevant directories on the hard drive. The installation program creates a program group called Analog Devices with a subgroup called ADG2108 in the Start menu of the taskbar. Figure 3. Hardware Select Dialog Box...

  • Page 6: Changes To Load Switch (Ldsw) Section, Switch Status Section, Figure 5, And Reset Function Section

    UG-465 EVAL-ADG2108EBZ User Guide Load Switch (LDSW) If the load switch function in the Configuration tab is on, the switches can be updated simultaneously (as an example, for the RGB colors in video switching). Otherwise, if the load switch is...

  • Page 7: Evaluation Board Schematics And Artwork

    EVAL-ADG2108EBZ User Guide UG-465 EVALUATION BOARD SCHEMATICS AND ARTWORK Figure 6. Schematic of USB Controller Circuitry Rev. B | Page 7 of 12...

  • Page 8: Changes To Figure 6

    UG-465 EVAL-ADG2108EBZ User Guide Figure 7. Schematic of ADG2108 Circuitry Rev. B | Page 8 of 12...
  • Page 9 EVAL-ADG2108EBZ User Guide UG-465 Figure 8. Component Placement Drawing Rev. B | Page 9 of 12...
  • Page 10 UG-465 EVAL-ADG2108EBZ User Guide Figure 9. Component Side PCB Drawing Figure 10. Solder Side PCB Drawing Rev. B | Page 10 of 12...

  • Page 11: Changes To Table 4

    EVAL-ADG2108EBZ User Guide UG-465 ORDERING INFORMATION BILL OF MATERIALS Table 4. Component Listing Reference Designator Description Supplier/Number C1, C3, C5 to C9, C11, C15, 0.1 μF (0603 package), 50 V, X7R, SMD, ceramic capacitor FEC 476–5837 C16, C18 to C22, C24, C26,...
  • Page 12 By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you have read and agreed to the Agreement.

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