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19-4581; Rev 0; 4/09
MAX4989 Evaluation Kit
General Description
The MAX4989 evaluation kit (EV kit) provides a proven
design to evaluate the MAX4989 Hi-Speed 2-of-4 USB
2.0 crosspoint switch. The EV kit contains two sub cir-
cuits, a typical USB crosspoint switch application (top
half), and a test circuit (bottom half).
The USB crosspoint switch application circuit is USB
powered by the USB host. USB input/output connectors
are also provided to easily interface with USB devices.
All USB signal traces are 90 I differential controlled-
impedance traces.
A separate test circuit is also provided at the bottom of
the MAX4989 EV kit for eye diagram evaluation using
SMA connections and 90 I controlled-impedance traces.
Features
S USB Connectors for Inputs and Outputs
S USB Powered (Cable Included)
S Eye Diagram Test Circuit with SMA Input/Output
S Jumper-Selectable USB Channel Connection
S Lead(Pb)-Free and RoHS Compliant
S Proven PCB Layout
S Fully Assembled and Tested
Ordering Information
The MAX4989 EV kit PCB comes with two MAX4989ETD+
devices installed. The MAX4989ETD+ is available in a
lead(Pb)-free 14-pin, 3mm x 3mm TDFN package.
PART
MAX4989EVKIT+
TYPE
EV Kit
+ Denotes lead(Pb)-free and RoHS compliant.
Component List
DESIGNATION
QTY
DESCRIPTION
0.1 F F Q 10%, 16V X7R ceramic
DESIGNATION
R1, R2
QTY
2
DESCRIPTION
680 I Q 5% resistors (0603)
C1–C4
D1, D2, D3
J1, J2
J3, J4
JU1–JU6
LED1, LED2
4
3
2
2
6
2
capacitors (0603)
TDK C1608X7R1C104K
20V, 500mA Schottky diodes
(SOD123)
Fairchild Semi MBR0520L
USB type-B, right-angle PC-mount
receptacles
USB type-A, right-angle
PC-mount receptacles
3-pin headers
Orange LEDs (0603)
R3–R6
SMA1+, SMA1-,
SMA2+, SMA2-
U1, U2
—
—
—
* EP = Exposed pad.
0
4
2
6
2
1
Not installed, resistors (0603)
Edge-mount receptacle SMA
connectors
USB 2.0 crosspoint switches
(14 TDFN-EP*)
Maxim MAX4989ETD+
Shunts
USB high-speed A-to-B cables, 6ft
PCB: MAX4989 EVALUATION KIT+
Component Suppliers
SUPPLIER
Fairchild Semiconductor
TDK Corp.
PHONE
888-522-5372
847-803-6100
WEBSITE
www.fairchildsemi.com
www.component.tdk.com
Note: Indicate that you are using the MAX4989 when contacting these component suppliers.
_______________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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