TDA4856 datasheet(45/56 Pages) PHILIPS

Part #	TDA4856

Description	I2C-bus autosync deflection controller for PC monitors

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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45 / 56 page

1999 Jul 13

45

Philips Semiconductors

Product speciﬁcation

I2C-bus autosync deﬂection controller for

PC monitors

TDA4856

Printed-circuit board layout

Fig.29 Hints for printed-circuit board (PCB) layout.

handbook, full pagewidth

TDA4856

external components of

horizontal section

external components of

horizontal section

B-drive line in parallel

to ground

47 pF

2.2 nF

47 nF

100

µF

12 V

external components of

vertical section

further connections to other components

or ground paths are not allowed

only this path may be connected

to general ground of PCB

external components

of driver stages

For optimum performance of the TDA4856 the ground paths must be routed as shown.

Only one connection to other grounds on the PCB is allowed.

Note: The tracks for HDRV and BDRV should be kept separate.

pin 25 should be the 'star point'

for all small signal components

no external ground tracks

connected here

MGS283

SMD

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TDA4856 Datasheet(PDF) 45 Page - NXP Semiconductors

TDA4856 Datasheet(HTML) 45 Page - NXP Semiconductors

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