TZA1000 - QIC read-write amplifier

NXP

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Datasheet Details

Part number: TZA1000
Manufacturer: NXP ↗
File Size: 132.91 KB
Datasheet: TZA1000_PhilipsSemiconductors.pdf
Description: QIC read-write amplifier

TZA1000 Product details

Description

TZA1000. Input for fast reader/writer (track height servo) signal selection. Power fail detection on both 5 and 12 V lines (status can be read from the read register). Write unsafe detection. Provides an accurate reference voltage (for AD conversion). Very simple interconnection with the SZA1000 QIC digital equalizer. +5 V ±10% and +12 V ±10% supply voltages. Low power standby, active and test modes..

Features

3-wire serial interface for programming.
On-chip Digital-to-Analog Converters (DAC) for:.
MR (Magneto Resistive) sense bias current.
MR DC bias current.
Write current.
Low noise differential input stage: typically 0.65 nV/√Hz (Zi = 0 Ω).
Magnetic feedback circuit to handle large output signals.
MR DC bias current circuit.
Very fast write current rise and fall times with near rail-to-rail voltage swing.
Max.

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QIC read-write amplifier NXP

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