DP84910 Datasheet - National Semiconductor

DP84910 Integrated Read Channel

The DP84910 integrates most functions of the hard disk read channel electronics onto a single 5V chip It incorporates a pulse servo detector a programmable integrated channel filter a data synchronizer a frequency synthesizer and a serial port interface The chip receives data from a read preamplifie.

DP84910 Features

* Y Y Y Y Y Y Y Y Y Y Y Operates at NRZ data rates up to 50 Mbits sec (equivalent 2 3 (1 7) code data rate) Operates with a single a 5V power supply Multiple power down modes available with dedicated SLEEP and IDLE SERVO power down pins Sleep mode included where ICC e 2 mA maximum Directly addr

DP84910_NationalSemiconductor.pdf