ISL54209EVAL1Z Intersil, ISL54209EVAL1Z Datasheet - Page 4

• Manufacturer Part Number: ISL54209EVAL1Z
• Description: EVALUATION BOARD FOR ISL54209
• Manufacturer: Intersil

Specifications of ISL54209EVAL1Z

• Main Purpose: Interface, Analog & Digital Switch
• Embedded: No
• Utilized Ic / Part: ISL54209
• Primary Attributes: 2 x SPDT Audio & USB Switch
• Secondary Attributes: 2.5 V ~ 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
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,
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 100mA of current. Set the supply
voltage to 3.3V.
connector or J5 BNC connector and right channel to J4
RCA connector or J6 BNC connector.
J2 (USB TO DEVICE).
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
ISL54209EVAL1Z EVALUATION BOARD
Application Note 1406
JP2
J13
J9
VDD
DC POWER
+
3
SUPPLY
JP3
+3.3V
2
J10
GND
1
U1
-
Audio Mode Operation
USB Mode Operation
JP1
J11
1. Install headphone in the headphone jack, J7. No USB
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
cable should be connected at the J1 (USB TO HOST)
connector.
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 USB 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.
J6
J5
J14
J15
AUDIO RIGHT
AUDIO LEFT
CONTROL
LOGIC
CTRL
J12
J2
J3
J4
DEVICE
USB
TO
L
R
SOURCE
AUDIO
USB DEVICE
USB PORT
July 14, 2008