Datasheet needed

[Rok Sitar]

Need datasheet for TDA1085A. If anybody has it please help me!

--
Rok Sitar
Slovenia

 

[Robert Baer]

Rok Sitar wrote:

Need datasheet for TDA1085A. If anybody has it please help me!

--
Rok Sitar
Slovenia

If you know the manufacturer, find their website and use their search
capabilities.

 

[Winfield Hill]

Rok Sitar wrote...

Need datasheet for TDA1085A. If anybody has it please help me!

I have Plessey's TDA1085C datasheet. Presumably that's a more
advanced version of their phase-control motor controller chip.

BTW, Mitel bought GEC Plessey, then I think Zarlink bought the
line, and has now discontinued it... Anyway, you're in luck,
ON Semi still makes the TDA1085 in the C version (442 in stock
at DigiKey, for only $1.68 each). I have Motorola's TDA1085A
and TDA1085C datasheets, if that's of any help. The Plessey
5-page TDA1085C datasheet has a very detailed but very hard-
to-understand schematic, while the 12-page ON Semi datasheet
has a detailed "block diagram" schematic that looks useful.

The TDA1085 looks like a pretty useful chip. Anyone?

You may remember that Motorola's linear ICs went to ON Semi,
and the rest of their ICs just went to Freescale. < sigh >

--
Thanks,
- Win

(email: use hill_at_rowland-dot-org for now)

 

[Winfield Hill]

Winfield Hill wrote...

... The Plessey 5-page TDA1085C datasheet has a very
detailed but very hard-to-understand schematic, while the
12-page ON Semi datasheet has a detailed "block diagram"
schematic that looks useful.

Sadly, it doesn't look so useful at a second glance. While
the drawing may have all the necessary elements, conveniently
pared down to the essentials, it's so badly drawn as to be
nearly useless. The voltages, currents and signals are not
arranged top to bottom, up to down or any other sensible way,
except to say, "Where's the nearest edge?" to make landfall
for a package pinout location. Anyone seeking to design with
this IC will have to completely redraw the schematic before
getting underway. I do believe that poor documentation like
this can help to spell the death knell for a chip.

--
Thanks,
- Win

(email: use hill_at_rowland-dot-org for now)

 

[Steve]

Winfield Hill wrote:

Winfield Hill wrote...

... The Plessey 5-page TDA1085C datasheet has a very
detailed but very hard-to-understand schematic, while the
12-page ON Semi datasheet has a detailed "block diagram"
schematic that looks useful.

Sadly, it doesn't look so useful at a second glance. While
the drawing may have all the necessary elements, conveniently
pared down to the essentials, it's so badly drawn as to be
nearly useless. The voltages, currents and signals are not
arranged top to bottom, up to down or any other sensible way,
except to say, "Where's the nearest edge?" to make landfall
for a package pinout location. Anyone seeking to design with
this IC will have to completely redraw the schematic before
getting underway. I do believe that poor documentation like
this can help to spell the death knell for a chip.

Haven't seen the "flavor" of the data sheet you have, but here's yet another
for you to look at from Motorola.

http://www.alldatasheet.com/datasheet-pdf/pdf/MOTOROLA/TDA1085C.html
and
http://www.alldatasheet.com/datasheet-pdf/pdf/MOTOROLA/TDA1085CD.html

I'll hazard a guess Motorola documentation may be "slightly" better.

Thanks, Steve