ISL54208EVAL1Z Intersil, ISL54208EVAL1Z Datasheet - Page 5

• Manufacturer Part Number: ISL54208EVAL1Z
• Description: EVALUATION BOARD FOR ISL54208
• Manufacturer: Intersil

Specifications of ISL54208EVAL1Z

• Main Purpose: Interface, Analog & Digital Switch
• Embedded: No
• Utilized Ic / Part: ISL54208
• Primary Attributes: 2 x SPDT Audio, USB & Video Switch
• Secondary Attributes: 1.8 V ~ 5.5 V Supply
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

If you disconnect the USB cable from J4 and take the IN pin
LOW, the IC will return to Audio mode. You can now plug the
TV monitor into J5 and J7, turn the audio/video of the player
ON to once again play the music video or movie.
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.
6. You can observe the D- and D+ USB signals on an
7. Remove the 0Ω resistors R
MONO AUDIO OUT
oscilloscope or other test equipment by connecting to the
J6 and J8 BNC connectors. Connect to J6 for D- signal
and to J8 for D+ signal.
performance (i.e. eye diagram, etc.) of the high speed
USB signal. Removal of these resistors disconnects the
RCA connectors (J5 and J7) and the BNC connectors (J6
and J8) from the USB differential lines. These
components when connected will degrade the USB
signal. These components will not be there in an actual
application. Note: R
underside of the board.
VIDEO OUT
USB
TO
HOST
A
J7
1
J5
J6
J8
4
A
5
5
3
J3
4.3M
4
4
4
4
R5
3
3
3
A
A
IN
A
A
2
1
2
1
1
2
1
2
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MOUNT
MOUNT
3
2
1
1
and R
JP4
2
2
5
1
3
4
and R
TP1
are located on the
COM1
J2
4
VDD
1
when evaluating the
VDD
1
2
1
3
JP2
COM2
JP3
A
2
4
0.1UF
10UF
C1
C2
DIFF
PROBE
ADAPTER
Application Note 1359
GND
2
4
1
3
1
1
2
3
46
J1
PACKAGE
10 PIN
U1
QFN
A
A
9
8
7
2
9
8
7
6
R6
0
1
TP2
1
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.
2
DESIGNATOR
R7
0
D-
D+
TP4
TP5
TP1
TP2
TP3
TP4
TP5
JP1
JP2
1
DIFF
PROBE
ADAPTER
TABLE 1. TEST POINTS DESCRIPTIONS
100UF
100UF
C3
C4
1
D-/D+ Differential Probe Connection - USB Device
D-/D+ Differential Probe Connection - HOST Side
3
V
Ground Test Point
V
VIDEO IN Test Point
MONO AUDIO IN Test Point
Side of Switch
of Switch
JP1
DD
BUS
A
2
4
Test Point
Test Point
1
1
2
2
D-
D+
3
3
4 5
4 5
DESCRIPTION
A
A
J9
J10
A
5
2
4
6
1
3
MOUNT
MOUNT
1
2
2
2
1
1
1
1
J12
2
J11
3
3
3
A
4 5
A
A
4 5
4
4
CTRL
A
J13
USB
TO
DEVICE
J14
J15
J16
MONO AUDIO IN
VIDEO IN
RIGHT
June 23, 2008
AN1359.0