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PDF TZA1047 Data sheet ( Hoja de datos )
| Número de pieza | TZA1047 | |
| Descripción | Analog Processor | |
| Fabricantes | Philips | |
| Logotipo |  |
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TZA1047
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Analog processor for PC-hosted
DVD+R/RW and CD-R/RW recorders
The Philips TZA1047 analog processor offers on-chip
features and programming options that enhance reliability
and performance in high-speed DVD/CD recorders. As
part of the Philips DVD+RW chipset, the TZA1047 brings
industry-leading speed and accuracy to computing
applications.
Semiconductors
The TZA1047 is a flexible analog processor for use in the optical
bit engine of a DVD/CD-recordable system. It provides RF function-
ality and a sophisticated servo processor. On its own, the TZA1047
can support write performance of 12x DVD+R/+RW and 48x CD,
and read performance of 20x DVD and 56x CD. When configured
with the Philips DVD+RW chipset, the TZA1047 contributes to
write performance of 8x DVD+R, 4x DVD+RW, 32x CD-R, and 12x
CD-RW, and read performance of 16x DVD-ROM and 48x CD.
Designed in accordance with the DVD+RW standard, the TZA1047
is compatible with other DVD and CD formats, including DVD-
R/RW, Blu-Ray, and DVD-ROM, as well as CD-ROM and CD-DA.
Key features
> Delivers industry-leading performance as part of the Philips
DVD+RW chipset:
- Writes at 8x DVD+R, 4x DVD+RW, 32x CD-R,
and 12x CD-RW
- Reads at 16x DVD-ROM, DVD+R, DVD+RW, DVD-R, DVD-RW;
and 48x CD-ROM, CD-DA, CD-R, CD-RW
> High-bandwidth RF signal path with programmable equalization
and filtering
> Sophisticated servo processor with normalization
> RF measurement circuit for real-time fingerprint compensation
on RW media
> Robust push-pull processor
> 64-pin LQFP package
> Complete reference design available, including modular software
Target applications
The TZA1047 is designed for use in desktop, notebook, and laptop
PCs that integrate a DVD+RW recorder. It can also be used in
desktop and portable PC peripherals.Wide interoperability with
other standards makes it ideal for double-writer and combination
applications.
Functional overview
The TZA1047 can receive input from many standard optical pickup
units (OPUs) with either voltage or current outputs. It outputs via
a seamless interface to a Nexperia PNX7850 DVD+RW processor.
A programmable RF equalizer function offers bandwidth equivalent
to 20x DVD and 56x CD. A programmable noise filter in the RF
amplifier improves signal quality; RF gain is programmable. Fast AGC
is possible through the PNX7850 processor when the TZA1047 is
configured as part of the Philips DVD+RW chipset. A differential
RF signal input and output supports high-speed operation with mini-
mal interference. For fast recovery from disc defects, programmable
DC offset cancellation in the RF path allows DC coupling to the
PNX7850 processor.
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| PDF Descargar | [ Datasheet TZA1047.PDF ] | |
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