ISL54206AEVAL1Z Intersil, ISL54206AEVAL1Z Datasheet - Page 4

• Manufacturer Part Number: ISL54206AEVAL1Z
• Description: EVALUATION BOARD FOR ISL54206A
• Manufacturer: Intersil

Specifications of ISL54206AEVAL1Z

• Main Purpose: Interface, Analog & Digital Switch
• Embedded: No
• 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

Using The Board (
Lab Equipment
The equipment, external supplies and signal sources
needed to operate the board are listed below:
Initial Board Setup Procedure
Audio Mode Operation
1. +3V to 5V DC Power Supply
2. Stereo Audio Source (MP3/Radio/CD Player) or Audio
3. Headphone Set or Audio Analyzer/Oscilloscope
4. Two standard USB cables
5. Computer with USB port
6. USB device (i.e. USB memory stick, MP3 Player with
1. Attach the main evaluation board to a DC power supply
2. Connect the stereo audio source left channel to J3 RCA
3. Connect the USB device to the USB “B” type receptacle,
1. Install headphone in the headphone jack, J7. No USB
Generator
USB port, etc.)
at J10 (VDD) and J11 (GND). Positive terminal at J10 and
negative terminal at J11. The supply should be capable of
delivering 3V to 5V and 100µA of current. Set the supply
voltage to 3.3V.
connector or J5 BNC connector and the right channel to
J4 RCA connector or J6 BNC connector.
J2 (USB TO DEVICE).
cable should be connected at the J1 (USB TO HOST)
connector.
COMPUTER
USB PORT
Refer to Figure 2
4
FIGURE 2. BASIC EVALUATION TEST SETUP BLOCK DIAGRAM
USB TO HOST
HEADPHONE
JACK
COM - COM +
J8
)
J1
J7
JP4
IN
ISL54206AEVAL1Z EVALUATION BOARD
Application Note 1337
JP2
J13
J9
VDD
DC POWER
+
3
SUPPLY
JP3
+3.3V
2
J10
GND
1
U1
-
USB Mode Operation
JP1
J11
2. Logic Control: Put CTRL = Logic “1” and IN = Logic “0”.
3. Turn the audio source ON. You should hear the music in
4. You can observe the audio signals at the output of the IC
1. Turn OFF audio stereo source.
2. Remove headphone from J7 Headphone Jack.
3. Logic Control: Put CTRL = Logic “X” and IN = Logic “1”.
4. Connect USB cable from computer USB port to the USB
5. You will now be able to send and receive data between
6. You can observe the D- and D+ USB digital signals on an
7.
You will now be in Audio mode (3Ω audio switches are
ON).
the headphones.
on an oscilloscope or audio analyzer by using the J8 and
J9 BNC connectors. Connect to J8 for Left audio and J9
for right audio.
You will now be in USB mode (5Ω audio switches are
ON).
“A” type receptacle, J1 (USB TO HOST) on the evaluation
board. The computer should indicate that it is connected
to the USB device connected at the J2 connector.
the computer and USB device.
oscilloscope or other test equipment by connecting to the
J8, J14, J9 and J15 BNC connectors or various test
points located on the board (see “Test Points” on page 5).
Remove the 0Ω resistors R
the performance (i.e. eye diagram, etc.) of the high speed
USB signal.
headphone jack (J7) and BNC connectors (J8, J9, J14,
J15) from the USB differential lines. These components
J6
J5
J14
J15
AUDIO RIGHT
CONTROL
AUDIO LEFT
LOGIC
CTRL
J12
J2
J3
J4
DEVICE
USB
TO
Removal of these resistors disconnects the
1
, R
L
R
USB DEVICE
2
, R
SOURCE
3
AUDIO
, R
USB PORT
4
when evaluating
July 31, 2007
AN1337.0