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P32P4911A

Features: · Register programmable data rates from 42 to 125 Mbit/s or 33 to 100 Mbit/s· Sampled data read channel with Viterbi qualification· Programmable filter for PR4 equalization· Five tap transversal filter with adaptive PR4 equalization· 8/9 GCR ENDEC· Data Scrambler/Descrambler· Presettable...

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P32P4911A: Features: · Register programmable data rates from 42 to 125 Mbit/s or 33 to 100 Mbit/s· Sampled data read channel with Viterbi qualification· Programmable filter for PR4 equalization· Five tap trans...

P32P4911A Data Sheet

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Part Number:
P32P4911A
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/25

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Product Details

Description



Features:

· Register programmable data rates from 42 to 125 Mbit/s or 33 to 100 Mbit/s
· Sampled data read channel with Viterbi qualification
· Programmable filter for PR4 equalization
· Five tap transversal filter with adaptive PR4 equalization
· 8/9 GCR ENDEC
· Data Scrambler/Descrambler
· Presettable Precoder State
· Programmable write precompensation
· Low operating power (0.925 W typical at 5V)
· Register programmable power management (<5 mW power down mode)
· 4-bit nibble and byte-wide bi-directional NRZ data interfaces
· 8-bit Direct Write mode automatically configured for RCLK = VCO/8
· Serial interface port for access to internal program storage registers
· Single power supply (5V ± 10%)
· Small footprint, 100-lead LQFP package


Specifications

Symbol
Parameter
Rating
Vp Positive 5.0V Supply Voltage -0.5 to 7V
  Storage Temperature -65 to 150°C
  Solder Vapor Bath 215°C, 90s, 2 times
  Junction Operating Temperature +135°C
  Output Pins ±10 mA
  Analog Pins ±10 mA
  Voltage Applied to other Pins -0.3V to Vp+0.3V



Description

The Philips Semiconductors P32P4911A is a high performance BiCMOS read channel IC that provides all of the functions needed to implement an entire Partial Response Class 4 (PR4) read channel for zoned recording hard disk drive systems with data rates from 42 to 125 Mbit/s or 33 to 100 Mbit/s. Functional blocks of P32P4911A include AGC, programmable filter, adaptive transversal filter, Viterbi qualifier, 8,9 GCR ENDEC, data synchronizer, time base generator, and FWR servo.

Programmable functions of P32P4911A such as data rate, filter cutoff, filter boost, etc., are controlled by writing to the serial port registers so no external component changes are required to change zones.

The part requires a single +5V power supply. The Philips Semiconductors P32P4911A utilizes an advanced BiCMOS process technology along with advanced circuit design techniques which result in high performance devices with low power consumption.




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