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CXA1940N

Features: • Operate on single +5V power supply.• Low power consumption. Read : 95mW Write (IW=20mA) : 130mW+IW ×5 Power save : 5.5mW• Write current can be varied through an external resistor. Built-in stabilizing circuit provides stable current during voltage and temperature drif...

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SeekIC No. : 004318179 Detail

CXA1940N: Features: • Operate on single +5V power supply.• Low power consumption. Read : 95mW Write (IW=20mA) : 130mW+IW ×5 Power save : 5.5mW• Write current can be varied through an externa...

CXA1940N Data Sheet

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Part Number:
CXA1940N
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: 2024/11/27

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Product Details

Description



Features:

• Operate on single +5V power supply.
• Low power consumption. Read : 95mW Write (IW=20mA) : 130mW+IW ×5 Power save : 5.5mW
• Write current can be varied through an external resistor. Built-in stabilizing circuit provides stable current during voltage and temperature drift.
• Drives up to 4 heads.
• Designed for two-terminal thin-film or MIG heads.
• Built-in power save function.
• Read amplifier emitter follower output featuring 290 times gain (Typ.).
• Built-in Write unsafe detection circuit.
• Built-in supply voltage monitor circuit prohibits incorrect Write during power on or abnormal voltage.
• Built-in IC protection circuit for short of head and GND.
• Differential input capacitance for Read : 14pF (Typ.).
• Write data input minimum pulse width : 10ns
• Read data output become high impedance in write mode to improve read data offset when switching from write to read mode.
• Unselected head DC voltage is GND potential.
• Self switching damping resistance (RD=310½)


Pinout

Connection Diagram


Specifications

• Supply voltage VCC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
•Write current IW . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 mAo-p
• Operating temperature Topr  . . . . . . . . . . . 20 to +75 °C
• Storage temperature Tstg  . . . . . . . . . . . . 55 to +150 °C
• Allowable power dissipation PD  . . . . . . . . . . . . . . . 375 mW


Description

The CXA1940N is a Read/Write Amplifier for the thin film head of hard disk drives and designed to handle up to 4-channel heads.


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