BH6628AFS - Read / Write amplifier for FDD

Rohm

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Datasheet Details

Part number	BH6628AFS
Manufacturer	ROHM
File Size	282.56 KB
Description	Read / Write amplifier for FDD
Datasheet	BH6628AFS_Rohm.pdf

BH6628AFS Product details

Description

and input/output circuits BH6628AFS 551 Magnetic disk ICs BH6628AFS 552 Magnetic disk ICs BH6628AFS 553 Magnetic disk ICs BH6628AFS 554 Magnetic disk ICs FElectrical characteristics (unless otherwise noted, Ta = 25_C, VCC = 5V) BH6628AFS 555 Magnetic disk ICs BH6628AFS 556 Magnetic disk ICs BH6628AFS 557 Magnetic disk ICs FRead characteristics BH6628AFS Total filter peak frequency setting f0 = a / (RRCC [kΩ] +0.09) [kHz] FILC “H” a = 351 380 420 451 729 842 729 780 “OPEN”

Features

1) Internal active filter with multiple settings that can be selected for multiple Q and f0. 2) Time domain filter that is internally switchable according to transfer rate. 3) Any of multiple write current settings can be selected, and inner track/outer track switching is done internally. FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions (Ta = 25_C) 549 Magnetic disk ICs FBlock diagram BH6628AFS 550 Magnetic disk ICs FPin.

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Published: Mar 23, 2005 |