ISL54206AEVAL1Z Intersil, ISL54206AEVAL1Z Datasheet - Page 5

• 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

If you disconnect the USB cable from J1 and take the IN pin
LOW, the IC will return to Audio mode. You can now plug the
headphone set into headphone jack, turn the audio source
ON to once again play music.
Test Points
The board has various test points for ease of connecting
probes to make measurements. The test points available are
described in Table 1.
Board Schematic
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.
NOTE:
(when connected) will degrade the USB signal. These
components will not be there in an actual application.
Note: R
board.
The 4MΩ pull-down resistor (R
voltage from the computer. By connecting a jumper at JP4 and JP3 (position 1 to 2), control of the ISL54206A IN pin will be through
the J1 USB Connector. When you connect the computer at J1, the IN pin will be pulled high by V
When the computer is disconnected, the IN pin will be pulled low by the pull-down resistor.
3
and R
4
are located on the underside of the
For information regarding Intersil Corporation and its products, see www.intersil.com
5
5
) was added to the eval board to allow control of the IN pin through the J1 connector by the V
Application Note 1337
TP2, TP6, TP7,
DESIGNATOR
TP8, TP9
TP1
TP3
TP4
TP5
JP1
JP2
TABLE 1. TEST POINT DESCRIPTIONS
V
Ground Test Point
V
Audio Left Input Test Point
Audio Right Input Test Point
D-/D+ Differential Probe Connection - USB Device
Side of Switch
D-/D+ Differential Probe Connection - COM Side
of Switch
DD
BUS
BUS
test point
Test Point
voltage from the computer.
DESCRIPTION
BUS
July 31, 2007
AN1337.0