Használati útmutató Microchip SY58034U

Olvassa el alább 📖 a magyar nyelvű használati útmutatót Microchip SY58034U (9 oldal) a nincs kategorizálva kategóriában. Ezt az útmutatót 10 ember találta hasznosnak és 2 felhasználó értékelte átlagosan 4.5 csillagra

Oldal 1/9
August 2004 M9999-080404
hbwhelp@micrel.com or (408) 955-1690
1:6 CML & LVPECL Fanout Buffer
w/2:1 Input MUX
SY58034/5/6U Evaluation Board
General Description
The SY58034U, SY58035U and SY58036U
evaluation boards are designed for convenient setup
and quick evaluation of the respective devices. They
allow the user to evaluate the part over the full
voltage-range without any modifications to the
boards.
For best AC performance, the boards are configured
with AC-coupled input and DC-coupled output. For
applications that require AC-coupled output
configuration, step-by-step instructions for modifying
the board are included.
Features
SY58034U, SY58035U, SY58036U
+2.5V or +3.3V power supply
AC-coupled input and DC-coupled output
configuration for performance
Fully assembled and tested
Outputs can be reconfigured for AC-coupled
output operation
Related Documentation
SY58034U, Ultra-Precision 1:6 CML Fanout
Buffer with 2:1 MUX Input and Internal
Termination Data Sheet
SY58035U, Ultra-Precision 1:6 LVPECL Fanout
Buffer with 2:1 MUX Input and Internal
Termination Data Sheet
SY58036U, Ultra-Precision 1:6 400mV LVPECL
Fanout Buffer with 2:1 MUX Input and Internal
Termination Data Sheet
____________________________________________________________________________________
Evaluation Boards
SY58034
SY58035/6
Micrel
SY58034/5/6 Evaluation Board
August 2004 M9999-080304
hbwhelp@micrel.com or (408) 955-1690
2
Evaluation Board Description
The SY58034U is a CML evaluation board and the
SY58035U and SY58036U are LVPECL evaluation
boards sharing the same design.
The default configuration for these boards is AC-
coupled input and DC-coupled output. The outputs
can be reconfigured for AC-coupled output operation;
therefore, the choice between two configurations
offers flexibility for specific applications.
DC-Coupled Output
The DC-Coupled configuration is an industry standard
configuration suited for best AC performance. The
CML SY58034U requires a single power supply of
either 2.5V 10% and offers the most+5% or 3.3V +
flexibility in interfacing to a variety of signal sources.
Since LVPECL is referenced to VCC, the standard
PECL termination is 50 to VCC –2V. Split supply is
an easy method to interface to a 50 (to ground)
scope. Therefore, a 3.3V supply will be split into +2V
and –1.3V, and a +2.5V supply will be split into +2V
and –0.5V. The +2V offset in the two-power supply
configuration provides the correct termination for the
device by setting the GND potential on the board to
2V below the VCC supply. The VEE voltage is then set
to 0.5V for 2.5V operation or –1.3V for 3.3V to
ensure proper VCC to VEE voltage difference.
Any-Input Interface
The unique internal input termination sets the input
common mode voltage. This enables the input to
interface with any differential signal over the supply
voltage without modifying the evaluation board.
Micrel
SY58034/5/6 Evaluation Board
August 2004 M9999-080304
hbwhelp@micrel.com or (408) 955-1690
3
Evaluation Board
SY58034U CML Evaluation Board
I/O
C7-C18
AC-Coupled Input/DC-Coupled Output
0Ω
AC-Coupled Input/AC-Coupled Output
0.1 Fµ
Table 1. SY58034U Configuration
Note: The default configuration is AC-In/DC-Out.

Termékspecifikációk

Márka: Microchip
Kategória: nincs kategorizálva
Modell: SY58034U

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