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CXA3239TN датащи(PDF) 1 Page - Sony Corporation

номер детали CXA3239TN
подробное описание детали  6/4-channel Read/Write Amplifier for GMR-Ind Head Hard Disk Drive
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производитель  SONY [Sony Corporation]
домашняя страница  http://www.sony.co.jp
Logo SONY - Sony Corporation

CXA3239TN датащи(HTML) 1 Page - Sony Corporation

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—1—
E98346C8Y
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.
Absolute Maximum Ratings (Ta=25 °C)
• Supply voltage
VCC
–0.3 to +6
V
• Supply voltage
VEE
–4.5 to +0.3
V
• Digital input voltage
Vdi –0.3 to VCC+0.3
V
• Operating temperature
Topr
–20 to +70
°C
• Storage temperature
Tstg
–55 to +150
°C
• Allowable power dissipation
TSSOP38
PD
1000
mW
Operating Conditions
• Supply voltage
VCC
+4.4 to +5.5
V
VEE
–4.0 to –2.6
V
• MR bias voltage
VMR
–300 to +300 mV
• Bias current
IB
3 to 8
mA
• Write current
IW
15 to 45
mA
Description
The CXA3238TN/CXA3239TN is a Read/Write
amplifier for GMR-Ind (Giant Magneto Resistive-
Inductive) heads used in hard disk drives, and is
capable of supporting up to six channels.
Features
• +5 V and –3 V power supply.
• Current bias voltage sense type.
• Drives up to six heads (CXA3238TN)
• Drives up to four heads (CXA3239TN)
• Low power 180 mW at Read
• Differential read amplifier gain ;
×140/190
(RMR=50
Ω)
• Input noise of 0.77 nV/
√ Hz (typ.),
RMR=50
Ω, IB=6.0 mA.
• Recovery time write to read ; 300 nsec. (typ.)
• Write data is triggered by differential P-ECL signal.
• Servo bank write. (All channels)
• Write unsafe detection circuit.
• Serial port …
Head selection
MR bias
Write current
Applications
Hard disk drives with GMR-Ind heads.
Structure
Bipolar silicon monolithic IC
6/4-channel Read/Write Amplifier for GMR-Ind Head Hard Disk Drive
38 pin TSSOP (Plastic)
CXA3238TN/CXA3239TN
For the availability of this product, please contact the sales office.


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