ISL54402EVAL1Z Intersil, ISL54402EVAL1Z Datasheet - Page 5

• Manufacturer Part Number: ISL54402EVAL1Z
• Description: EVALUATION KIT FOR ISL54402
• Manufacturer: Intersil

Specifications of ISL54402EVAL1Z

• Main Purpose: Interface, Analog & Digital Switch
• Embedded: No
• Utilized Ic / Part: ISL54402
• Primary Attributes: 2 x SPDT Audio & USB Switch
• Secondary Attributes: 1.8 V ~ 5.5 V Supply
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ISL54400 and ISL54401 USB Mode Operation
ISL54402 Audio Mode Operation
Intersil products are sold by description only. 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 data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and
reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result
from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
1. Turn OFF audio stereo source.
2. Remove headphone from J7 (Headphone Jack).
3. Connect USB cable from host (PC computer) to the USB
4. You should now be able to send and receive data
5. You can observe the D- and D+ USB digital signals on an
6. If using VTERM output from ISL54400 you can monitor
7. If you disconnect the USB cable from J1, the IC will return
1. Install 32
2. Connect BNC connector J13 to the banana jack J12.
“A” type receptacle, J1 (USB TO HOST). You will now be
in USB mode (4
is from V
between the host and USB device.
oscilloscope or other test equipment by connecting to the
J8, J14, J9 and J15 BNC connectors. Connect to J8/J14
for D- signal and to J9/J15 for D+ signal. The V
voltage from the host can be monitored by connecting a
voltmeter at the J13 BNC connector. The board also
contains varies test points (TP1-TP9 and JP2-JP3) for
making test equipment connections. Refer to eval board
schematic and Board Component Definitions on page 3
for definition of the various test points.
this voltage by connecting a voltmeter at the banana jack
J12. In audio mode VTERM should be floating. In USB
mode it should be outputting a voltage between 3.0V and
3.6V. NOTE: For the IC to output 3.0V to 3.6V V
voltage must be between 4.4V and 5.25V and V
be at least 2.5V.
to Audio mode. You can now plug the headphone set into
the headphone jack and turn the audio source ON to
once again play music.
USB cable should be connected at the J1 (USB TO
HOST) connector.
Then connect J12 to ground. This will put the logic control
pins (IN1 and IN2) of the IC at ground. You will now be in
Audio mode (1
BUS
Ω
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
headphone in the headphone jack (J7). No
line from the USB host).
Ω
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Ω
audio switches are ON).
USB switches are ON and power to IC
For information regarding Intersil Corporation and its products, see www.intersil.com
5
Application Note 1255
BUS
DD
BUS
must
ISL54402 USB Mode Operation
Board Schematics/Layout/BOM
The schematics, board plots, and bill of materials can be
obtained by contacting the Intersil at 1-888-INTERSIL.
3. Turn the audio source ON. You should hear the music in
4. You can observe the audio signals on an oscilloscope or
1. Turn OFF audio stereo source.
2. Remove headphone from J7 (Headphone Jack).
3. Connect BNC connector J13 to the banana jack J12.
4. Connect USB cable from host (PC computer) to the USB
5. You should now be able to send and receive data
6. You can observe the D- and D+ USB digital signals on an
7. If you disconnect the USB cable from J1 and connect J12
the headphones.
audio analyzer by using the J8 and J9 BNC connectors.
Connect to J8 for left audio and J9 for right audio. The
board also contains varied test points (TP1-TP9 and
JP2-JP3) for making test equipment connections. Refer to
eval board schematic and Board Component Definitions
on page 3 for definition of the various test points.
When the USB cable from the computer is connected in
to J1 (USB TO HOST) the V
control pins (IN1 and IN2) of the IC at 5V. You will now be
in USB mode (4
“A” type receptacle, J1 (USB TO HOST). You will now be
in USB mode (4
between the host and USB device.
oscilloscope or other test equipment by connecting to the
J8, J14, J9 and J15 BNC connectors. Connect to J8/J14
for D- signal and to J9/J15 for D+ signal. The V
voltage from the host can be monitored by connecting a
voltmeter at the J13 BNC connector. The board also
contains varied test points (TP1-TP9 and JP2-JP3) for
making test equipment connections. Refer to eval board
schematic and Board Component Definitions on page 3
for definition of the various test points.
and J13 to ground the IC will return to Audio mode. You
can now plug the headphone set into the headphone jack
and turn the audio source ON to once again play music.
Ω
Ω
digital switches are ON).
USB switches).
BUS
voltage will put the logic
BUS
July 19, 2006
AN1255.0