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Sony Semiconductor Electronic Components Datasheet

CXA3090N Datasheet

6ch. Read/Write Amplifier for Thin Film Head of Hard Disk Drive

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CXA3090N pdf
CXA3090N
6ch. Read/Write Amplifier for Thin Film Head of Hard Disk Drive
For the availability of this product, please contact the sales office.
Description
The CXA3090N is a Read/Write Amplifier for the
thin film head of hard disk drive and designed to
handle up to 6 channel heads.
24 pin SSOP (Plastic)
Features
Operate on single +5 V power supply
Low power consumption
Read : 85 mW
Write : 115 mW + IW ×5
Designed for two terminal thin-film or MIG heads
Read amplifier emitter follower output featuring
325 times gain (typ).
Differential input capacitance for Read : 6pF (typ)
Input noise : 0.47 nV / Hz (typ)
Write current range : 5 to 15 mA
Differential Head voltage swing : 6.8 Vp-p (typ)
Differential P-ECL write data input
Built-in write unsafe detection circuit.
Built-in Servo write function (3/6 ch).
Built-in IC protection circuit for short of head and
GND.
Read data outputs are high impedance in write
mode.
Unselected head voltage is GND potential.
Built-in supply voltage monitor circuit prohibits
incorrect write during power on or abnormal
voltage.
Self switching damping resistance (RD = 350 ).
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage
VCC 6 V
Write current
IW 20 mAo-p
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –55 to +150 °C
Allowable power dissipation
PD 800 mW
WUS/SE pin input current
ISEH 15 mA
Recommended Operating Conditions
Supply voltage
VCC 5.0 V±10 %
Write current
IW 5 to 15 mAo-p
Function
Read, Write and Write unsafe detection for HDD,
power supply ON/OFF detection.
Structure
Bipolar silicon monolithic IC
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E96420-TE


Sony Semiconductor Electronic Components Datasheet

CXA3090N Datasheet

6ch. Read/Write Amplifier for Thin Film Head of Hard Disk Drive

No Preview Available !

CXA3090N pdf
CXA3090N
H0X 1
H0Y 2
H1X 3
H1Y 4
H2X 5
H2Y 6
H3X 7
H3Y 8
H4X 9
H4Y 10
H5X 11
H5Y 12
DRIVER
AMP
DRIVER
AMP
DRIVER
AMP
DRIVER
AMP
DRIVER
AMP
DRIVER
AMP
MODE
CONTROL
WRITE
CURRENT
SOURCE
24 GND
23 R/W
22 WC
21 RDY
AMP
20 RDX
HEAD
SELECT
19 HS0
18 HS1
17 HS2
16 WDX
IC
PROTECTOR
—2—
15 WDY
WRITE
UNSAFE
DETECTOR
POWER
ON/OFF
DETECTOR
14 WUS/SE
13 VCC


Part Number CXA3090N
Description 6ch. Read/Write Amplifier for Thin Film Head of Hard Disk Drive
Maker Sony Corporation
Total Page 17 Pages
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CXA3090N pdf
CXA3090N Datasheet PDF
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