ISL54206AEVAL1Z Intersil, ISL54206AEVAL1Z Datasheet

ISL54206AEVAL1Z

Manufacturer Part Number

ISL54206AEVAL1Z

Description

EVALUATION BOARD FOR ISL54206A

Manufacturer

Intersil

Datasheets

1.ISL54206AIRTZ.pdf (20 pages)

2.ISL54206AEVAL1Z.pdf (5 pages)

Specifications of ISL54206AEVAL1Z

Main Purpose

Interface, Analog & Digital Switch

Embedded

Utilized Ic / Part

ISL54206A

Primary Attributes

2 x SPDT Audio & USB Switch

Secondary Attributes

2.7 V ~ 5.5 V Supply

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

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Description

The ISL54206AEVAL1Z evaluation board is designed to

provide a quick and easy method for evaluating the

ISL54206A USB/Audio Switch IC.

The ISL54206A device is a unique IC. To use this evaluation

board properly requires a thorough knowledge of the

operation of the IC. Refer to the data sheet for an

understanding of the functions and features of the device.

Studying the device’s truth table along with its pinout

diagram on page 2 of the data sheet FN6515 is the best way

to get a quick understanding of how the part works.

A picture of the main evaluation board is shown in Figure 1.

The ISL54206A µTQFN IC is soldered onto the evaluation

board. It is located in the center of the board and is

designated as U1.

The ISL54206A IC has two modes of operation called Audio

mode and USB mode. The evaluation board contains

standard Audio and USB connectors to allow the user to

easily interface with the IC to evaluate its functions, features

and performance in the two modes of operation. For

example, when the board is properly powered, a headphone

can be plugged into the headphone jack (J7) and a stereo

source (such as an MP3 player) can be connected at the

RCA connectors J3 (AUDIO LEFT) and J4 (AUDIO RIGHT)

to play music through the audio switches of the IC. See

Figure 2. You can then turn-off the audio source, remove the

headphones and attach a USB cable from a computer to the

USB connector J1 (USB TO HOST). This will establish a

connection from the computer through the USB switches of

the IC to the USB device connected at the USB connector J2

(USB TO DEVICE), to send and receive data.

This application note will guide the user through the process

of configuring and using the evaluation board to evaluate the

ISL54206A device in both the Audio mode and the USB

mode.

Features

• Standard USB Connectors

• RCA Audio Input Jacks and Headphone Speaker Jack

• Convenient Test Points and Connections for Test

Equipment

Application Note

1-888-INTERSIL or 1-888-468-3774

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

Picture of Evaluation Board (Top View)

Board Architecture/Layout

Basic Layout of Evaluation Board

The basic layout of the main board is as follows: Refer to

Figure 1.

Power and Ground connections are at the top of the board

(J10 and J11).

Logic control connections are at the top of the board (J12

and J13).

Audio Source Inputs are at the lower right side of the board

(J3 to J6). Audio outputs are at the lower left side of the

board (J7, J8, J9). Connector J7 is a standard headphone

jack for connecting a 32Ω headphone.

USB connection to an upstream host controller (Computer)

is made at connector J1, located on left underside of the

board. USB connection to a downstream USB device is

made at connector J2, located on right underside of the

board.

Located in the center of the board is the ISL54206A IC (U1).

The eval board has a pin 1 dot, to show how the IC should

be oriented on to the evaluation board. The IC pin 1 indicator

dot needs to be aligned with the evaluation board pin 1 dot

indicator.

ISL54206AEVAL1Z Evaluation

FIGURE 1. ISL54206AEVAL1Z EVALUATION BOARD

All other trademarks mentioned are the property of their respective owners.

July 31, 2007

Intersil (and design) is a registered trademark of Intersil Americas Inc.

Board User’s Manual

AN1337.0

Related parts for ISL54206AEVAL1Z

ISL54206AEVAL1Z Summary of contents

Page 1

... Application Note Description The ISL54206AEVAL1Z evaluation board is designed to provide a quick and easy method for evaluating the ISL54206A USB/Audio Switch IC. The ISL54206A device is a unique IC. To use this evaluation board properly requires a thorough knowledge of the operation of the IC. Refer to the data sheet for an understanding of the functions and features of the device. Studying the device’ ...

Page 2

Power Supply The DC power supply connected at banana jacks J10 (VDD) and J11 (GND) provides power to the part. The IC requires a 2.7V to 5.5V DC power supply for proper operation. The power supply should be capable of ...

Page 3

To HOST) connector. The BNC connector J9 (COM parallel with the audio right line of the headphone jack and the D+ line of the J1 (USB To DEVICE) connector. These BNC connectors can be used to connect resistive ...

Page 4

... HEADPHONE JACK COM - COM + ISL54206AEVAL1Z EVALUATION BOARD ) 2. Logic Control: Put CTRL = Logic “1” and IN = Logic “0”. You will now be in Audio mode (3Ω audio switches are ON). 3. Turn the audio source ON. You should hear the music in the headphones. 4. You can observe the audio signals at the output of the oscilloscope or audio analyzer by using the J8 and J9 BNC connectors ...

Page 5

... When the computer is disconnected, the IN pin will be pulled low by the pull-down resistor. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that the Application Note or Technical Brief is current before proceeding. ...

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