• Part: CXA1940N
  • Description: 4ch. Read/Write Amplifier for Thin Film Head of Hard Disk Drive
  • Manufacturer: Sony Semiconductor Solutions
  • Size: 225.02 KB
CXA1940N Datasheet (PDF) Download
Sony Semiconductor Solutions
CXA1940N

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. Features - Operate on single +5V power supply.

Key Features

  • Operate on single +5V power supply
  • Low power consumption. Read : 95mW Write (IW=20mA) : 130mW+IW × 5 Power save : 5.5mW
  • 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.)