TZA1032 데이터 시트보기 (PDF) - Philips Electronics

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TZA1032

Laser driver and controller circuit

Philips Electronics 

Philips Semiconductors

Laser driver and controller circuit

Preliminary specification

TZA1032

10 APPLICATION INFORMATION

A typical application diagram of the TZA1032 is shown in

Fig.4. As can be seen from this figure the CLKP, CLKN,

DATAP and DATAN inputs allow differential data transfer

for electromagnetic compatibility issues. Input series

resistors can be connected to obtain low voltage swing

when using standard 3.3 or 5 V drivers. This will further

reduce electromagnetic interference.

This application diagram shows separated 3.3 V supplies

to obtain maximum output performance. Only few

decoupling capacitors are needed for the total application.

The forward sense loop is fully self-contained. Only a

forward sense diode has to be connected, which can be

biased with an external voltage.

The TZA1032 can be mounted with ‘flip-chip’ technology

as a bare die on the flex foils. For this purpose the bond

pads of the silicon die can be bumped with solder dots.

In this configuration parasitic components (e.g. inductors)

can be further reduced leading to even better performance

of the TZA1032.

2002 May 06

17

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